Diagnostic Routines
WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
ENGAGEMENT CONCERN: NO FORWARD IN D OR D (Overdrive (Circle D) CANCELLED) ONLY
| Possible Component | Reference/Action | |
|---|---|---|
| 201A - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoid B (PC B) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Main Control | ||
| Screw not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Center Support | ||
| Screw not tightened to specification | Tighten to specification. | |
| Seal rings or bearing damaged | Inspect for damage. Repair as necessary. | |
| Outside diameter of case bore damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Case | ||
| Damaged | Inspect for damage. Repair as necessary. | |
ENGAGEMENT CONCERN: NO FORWARD
| Possible Component | Reference/Action | |
|---|---|---|
| 201B - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoid B (PC B) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to the correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out the Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Main Control | ||
| Screw not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
| Center Support | ||
| Screw not tightened to specification | Tighten to specification. | |
| Seal rings or bearing damaged | Inspect for damage. Repair as necessary. | |
| Outside diameter of case bore damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Forward Planetary Assembly | ||
| Planetary damage | Inspect for damage. Repair as necessary. | |
| Low One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
| Case | ||
| Damaged | Inspect for damage. Repair as necessary. | |
ENGAGEMENT CONCERN: NO REVERSE
| Possible Component | Reference/Action | |
|---|---|---|
| 202 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoid C (PC C), shift solenoid B (SSB) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, springs damaged, misassembled, missing, stuck or bore damage | If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Torque Converter Assembly | ||
| Torque converter internal failure preventing engagement, piston release | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria or is damaged, install a new or remanufactured torque converter. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect or damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Reverse Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Reverse Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Reverse Drum Assembly | ||
| One-way clutch damaged | Inspect for damage. Install a new drum assembly. | |
| Bearing damaged | Inspect for damage. Install a new drum assembly. | |
ENGAGEMENT CONCERN: HARSH REVERSE ONLY
| Possible Component | Reference/Action | |
|---|---|---|
| 203 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoid C (PC C) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, spring damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
| Reverse Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Reverse Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Reverse Drum Assembly | ||
| One-way clutch damaged | Inspect for damage. Install a new drum assembly. | |
| Bearing damaged | Inspect for damage. Install a new drum assembly. | |
ENGAGEMENT CONCERN: HARSH FORWARD ONLY
| Possible Component | Reference/Action | |
|---|---|---|
| 204A - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoid A (PC A), pressure control solenoid C (PC C) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Center Support | ||
| Screw not tightened to specification | Tighten to specification. | |
| Seal rings or bearing damage | Inspect for damage. Repair as necessary. | |
| Outside diameter of case bore damage | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
ENGAGEMENT CONCERN: HARSH MANUAL 1ST GEAR ONLY
| Possible Component | Reference/Action | |
|---|---|---|
| 204B - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoid B (PC B), turbine shaft speed (TSS) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
ENGAGEMENT CONCERN: DELAYED OR SOFT REVERSE ONLY
| Possible Component | Reference/Action | |
|---|---|---|
| 205 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoid C (PC C) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| Low pressure | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Reverse Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Reverse Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
ENGAGEMENT CONCERN: DELAYED/SOFT FORWARD ONLY
| Possible Component | Reference/Action | |
|---|---|---|
| 206 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoid B (PC B) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| Low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, spring damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged. | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Center Support | ||
| Screw not tightened to specification | Tighten to specification. | |
| Seal rings or bearing damaged | Inspect for damage. Repair as necessary. | |
| Outside diameter of case bore damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction element damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
ENGAGEMENT CONCERN: NO FORWARD AND NO REVERSE
| Possible Component | Reference/Action | |
|---|---|---|
| 207 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoid B (PC B) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to the correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Selector Lever Cable/Digital Transmission Range (TR) Sensor | ||
| Cable system or digital transmission range (TR) sensor damaged, misaligned | Inspect and repair as necessary. Refer to Transmission Range (TR) Sensor Adjustment . | |
| Main Control | ||
| Screws not tightened to specification | Tighten screws to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Input Shaft | ||
| Damaged | Inspect for damage. Repair as necessary. | |
| Pump Assembly | ||
| Screws not tightened to specification | Tighten screws to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, ball missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears cracked and/or seized | Inspect for damage. Install a new pump. | |
| Flow control valves, springs, or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or flow control valve. | |
| Overdrive Planetary Assembly | ||
| Planetary damaged | Inspect for damage. Repair as necessary. | |
| Center Shaft Assembly | ||
| Damaged. One-way clutch damaged | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
| Forward Planetary Assembly | ||
| Planetary damaged | Inspect for damage. Repair as necessary. | |
| Reverse Planetary Assembly | ||
| Planetary damaged | Inspect for damage. Repair as necessary. | |
| Output Shaft | ||
| Damage | Inspect for damage. Repair as necessary. | |
| Torque Converter | ||
| Damaged flexplate or adapter plate | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria or is damaged, install a new or remanufactured torque converter. | |
| Damaged impeller hub | ||
| Damaged turbine hub | ||
| Direct One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
ENGAGEMENT CONCERN: HARSH FORWARD AND HARSH REVERSE
| Possible Component | Reference/Action | |
|---|---|---|
| 208 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, digital transmission range (TR) sensor, transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test B and Go to Pinpoint Test C . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to the correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Pressures | ||
| High pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
ENGAGEMENT CONCERN: DELAYED FORWARD AND DELAYED REVERSE
| Possible Component | Reference/Action | |
|---|---|---|
| 209 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test B . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to the correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Pressures | ||
| High pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves and springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Pump Assembly | ||
| Screws not tightened to specification | Tighten screws to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, ball missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears cracked and/or seized | Inspect for damage. Install a new pump. | |
| Flow control valves, springs, or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or flow control valve. | |
SHIFT CONCERN: SOME/ALL SHIFTS MISSING (AUTOMATIC MODE ONLY)
| Possible Component | Reference/Action | |
|---|---|---|
| 210 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoids A, B, C, torque converter clutch (TCC) solenoid, pressure control solenoids A, B, C (PC A, B, C), output shaft speed (OSS) sensor, digital transmission range (TR) sensor, intake air temperature (IAT) sensor, vehicle speed sensor (VSS) input | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM, IAT and VSS. | |
| Go to Pinpoint Test A , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Some Shifts Missing ONLY | ||
| If only some shifts are missing, determine which shift(s) is missing. | ||
Refer to the following routine(s) for further No Shift concerns:
|
||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Selector Lever Cable/Digital TR Sensor | ||
| Cable system or digital TR sensor damaged, misaligned | Inspect and repair as necessary. Refer to Transmission Range (TR) Sensor Adjustment . | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Pump Assembly | ||
| Screws not tightened to specification | Tighten screws to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, ball missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears cracked and/or seized | Inspect for damage. Install a new pump. | |
| Flow control valves, springs, or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or flow control valve. | |
| Overdrive Planetary Assembly | ||
| Planetary damaged | Inspect for damage. Repair as necessary. | |
| Center Support | ||
| Screw not tightened to specification | Tighten to specification. | |
| Seal rings or bearing damaged | Inspect for damage. Repair as necessary. | |
| Outside diameter of case bore damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: TIMING CONCERNS-EARLY/LATE
| Possible Component | Reference/Action | |
|---|---|---|
| 211- ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, output shaft speed (OSS) sensor, intake air temperature (IAT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM and IAT. | |
| Go to Pinpoint Test E . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Some Shifts Early/Late ONLY | ||
| If only some shifts are early/late, determine which shift(s) is missing. | ||
Refer to the following routine(s) for further No Shift concerns:
|
||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to the correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: TIMING CONCERNS-ERRATIC/HUNTING (SOME/ALL)
| Possible Component | Reference/Action | |
|---|---|---|
| 212 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, output shaft speed (OSS) sensor, intake air temperature (IAT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM and IAT. | |
| Go to Pinpoint Test E . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust the transmission fluid to the correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Further Diagnosis | ||
| For further diagnosis for timing issues, refer to Reference/Action | Refer to the following routine(s) for specific diagnosis:
|
|
ENGAGEMENT CONCERN: FEEL-SOFT/SLIPPING (SOME/ALL)
| Possible Component | Reference/Action | |
|---|---|---|
| 213 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoids A, B, C, pressure control solenoids A, B, C, D (PC A, B, C, D), intermediate shaft speed sensor, transmission fluid temperature (TFT) sensor, intake air temperature (IAT) sensor, vehicle speed sensor (VSS) input | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM, IAT and VSS. | |
| Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Some Shifts Soft/Slipping ONLY | ||
| If only some of the shifts are soft/slipping, determine which shift(s) is missing. | ||
Refer to the following routine(s) for further Soft/Slipping concerns:
|
||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to the correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Torque Converter Assembly | ||
| Torque converter internal failure preventing engagement, piston release | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria or is damaged, install a new or remanufactured torque converter. | |
| Fluid Pump Assembly | ||
| Screws not tightened to specification | Tighten screws to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, ball missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears cracked and/or seized | Inspect for damage. Install a new pump. | |
| Flow control valves, springs, or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or flow control valve. | |
| Coast Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Center Support | ||
| Screw not tightened to specification | Tighten to specification. | |
| Seal rings or bearings damaged | Inspect for damage. Repair as necessary. | |
| Outside diameter of case bore damage | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
| Reverse Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Reverse Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Case | ||
| Damaged | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: FEEL-HARSH (SOME/ALL)
| Possible Component | Reference/Action | |
|---|---|---|
| 214- ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoids A, B, C, pressure control solenoids A, B, C, D (PC A, B, C, D), intermediate shaft speed sensor, digital transmission range (TR) sensor, transmission fluid temperature (TFT) sensor, intake air temperature (IAT) sensor, vehicle speed sensor (VSS) input | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM, IAT and VSS. | |
| Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Some Shifts Harsh ONLY | ||
| If only some of the shifts are harsh, determine which shift(s) is missing. | ||
Refer to the following routine(s) for further No Shift concerns:
|
||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to the correct level. Refer to Transmission Fluid Level Check . | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, springs damaged, misassembled, missing, stuck, or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Input Shaft | ||
| Damaged | Inspect for damage. Install new as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Center Shaft Assembly | ||
| Center shaft assembly damaged | Inspect for damage. Repair as necessary. | |
| One-way clutch damaged | Inspect for damage. Repair as necessary. | |
| Center Support | ||
| Screw not tightened to specification | Tighten to specification. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
| Reverse Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Reverse Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Output Shaft | ||
| Damaged | Inspect for damage. Install new as necessary. | |
| Case | ||
| Damaged | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: NO 1ST AND 2ND GEAR IN DRIVE, ENGAGES IN A HIGHER GEAR
| Possible Component | Reference/Action | |
|---|---|---|
| 215 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoids A, B, C, digital transmission range (TR) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A and Go to Pinpoint Test C . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Direct One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
| Low One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
ENGAGEMENT CONCERN: NO 1ST GEAR IN MANUAL 1 POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 216 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoids A, B, pressure control solenoids B, C (PC B, C) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A and Go to Pinpoint Test D . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Planetary Assembly | ||
| Planetary damaged | Inspect for damage. Repair as necessary. | |
| Direct One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
| Low One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: NO 2ND GEAR IN MANUAL 2 POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 217 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoids A, B, C, pressure control solenoid B (PC B) | Carry out on-board diagnostic tests. For additional information, refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A and Go to Pinpoint Test D . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install a new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Direct One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
| Low One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
TORQUE CONVERTER OPERATION CONCERNS: DOES NOT APPLY
| Possible Component | Reference/Action | |
|---|---|---|
| 240 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, torque converter clutch (TCC) solenoid, transmission fluid temperature (TFT) sensor and engine coolant temperature (ECT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A and Go to Pinpoint Test B . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Torque Converter Assembly | ||
| Torque converter internal failure preventing engagement, piston application | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria or is damaged, install a new or remanufactured torque converter. | |
| Pump Assembly | ||
| Screws not tightened to specification | Tighten screws to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, ball missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears cracked and/or seized | Inspect for damage. Install a new pump. | |
| Flow control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or flow control valve. | |
TORQUE CONVERTER OPERATION CONCERN: ALWAYS APPLIED/STALLS VEHICLE
| Possible Component | Reference/Action | |
|---|---|---|
| 241 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, torque converter clutch (TCC) solenoid | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Torque Converter Assembly | ||
| Torque converter internal failure preventing engagement, piston release | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria or is damaged, install a new or remanufactured torque converter. | |
| Low One-Way Clutch | ||
| Worn, damaged or assembled incorrectly. | Inspect for damage. Repair as necessary. | |
TORQUE CONVERTER OPERATION CONCERN: CYCLING/SHUDDER/CHATTER
| Possible Component | Reference/Action | |
|---|---|---|
| 242 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, torque converter clutch (TCC) solenoid | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A . | ||
| Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Transmission fluid condition - contaminated, degraded | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . If contaminated, locate source of contamination. If burnt, inspect mechanical bands, clutches. Repair as necessary. Change transmission fluid. Carry out Transmission Fluid Drain and Refill - Automated Equipment . Refer to Transmission Fluid Drain and Refill - Without Torque Converter Drain Plug . Carry out Transmission Fluid Cooler Backflushing and Cleaning . Refer to Transmission Fluid Cooler Backflushing and Cleaning . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Torque Converter Assembly | ||
| Torque converter internal leakage, clutch material damaged | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria or is damaged, install a new or remanufactured torque converter. | |
OTHER CONCERNS: SELECTOR LEVER EFFORTS HIGH
| Possible Component | Reference/Action | |
|---|---|---|
| 251 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, digital transmission range (TR) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test C . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Selector Lever Cable, Digital Transmission Range (TR) Sensor | ||
| Selector lever cable system or digital TR sensor damaged, misaligned | Inspect and repair as necessary. Refer to Transmission Range (TR) Sensor Adjustment or AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Case | ||
| Manual control lever assembly damage, manual valve inner lever pin bent, manual valve inner lever damaged, spring rod damaged | Inspect for damage. If damaged, install a new part. | |
| Manual valve lever shaft retaining pin damaged | Inspect for damage. If damaged, repair as necessary. | |
OTHER CONCERNS: EXTERNAL LEAKS
| Possible Component | Reference/Action | |
|---|---|---|
| 252 - ROUTINE | ||
| Powertrain Control System | ||
| OSS sensor, intermediate shaft speed, turbine shaft speed (TSS) sensor, digital transmission range (TR) sensor | Inspect for leakage. If areas around sensor show signs of leakage, install a new sensor O-ring seal. If area behind digital TR sensor shows signs of a leak, a new manual lever shaft seal may need to be installed. | |
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to correct level. Refer to Transmission Fluid Level Check . | |
| Case | ||
| Case vent damaged | Inspect for damage. If damaged, repair as necessary. | |
| Output shaft flange damage | Inspect for damage. If damaged, repair as necessary. | |
| Seals/Gaskets | ||
| Leakage at gaskets, seals, cooler lines, torque converter studs, etc. | Refer to Leakage Inspection for potential leak locations. | |
| Remove all traces of lubricant on exposed surfaces of the transmission. Check vent for free breathing. Operate the vehicle at normal temperatures and carry out leak check test, refer to Leakage Inspection . Repair as necessary. | ||
| Vents | ||
| Transmission fluid leakage through the vent system into the bellhousing | Incorrect transmission fluid level may cause the transmission fluid to vent. If not already carried out verify and adjust the fluid to the correct level. Refer to Transmission Fluid Level Check . | |
| Verify the transmission operating temperature by monitoring the transmission fluid temperature (TFT) while driving the vehicle for 32 km (20 mi) or 20 minutes. If the TFT exceeds 102°C (215°F) during the drive, refer to Routine No. 257 Transmission Overheating, Main Control, Thermostatic bypass valve. | ||
| Remove all traces of transmission fluid on exposed surfaces of the transmission. | ||
| Check the vent for damage and obstructions. Verify that the vent is operating correctly by applying air through the vent tubes. If the vent is damage or obstructed, repair as necessary. | ||
NOTE:
Noise, vibration and harshness (NVH) symptoms should be identified using the diagnostic tools that are available. For a list of these tools, an explanation of their uses and a glossary of common terms, refer to NOISE, VIBRATION AND HARSHNESS
. Since it is possible any one of multiple systems may be the cause of a symptom, it may be necessary to use a process of elimination type of diagnostic approach to pinpoint the responsible system. If this is not the causal system for the symptom, refer back to NOISE, VIBRATION AND HARSHNESS
for the next likely system and continue diagnosis.
OTHER CONCERN: NOISE/VIBRATION - FORWARD OR REVERSE
| Possible Component | Reference/Action | |
|---|---|---|
| 254 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, torque converter clutch (TCC) solenoid, pressure control solenoids A, B, C (PC A,B,C) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Selector Lever Cable/Digital Transmission Range (TR) Sensor | ||
| Selector lever cable or digital TR sensor damaged, misaligned | Inspect and repair as necessary. Refer to Transmission Range (TR) Sensor Adjustment or AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck, or bore damaged, thermostatic bypass valve damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Torque Converter Assembly | ||
| Torque converter hub damaged | Inspect for damage. Repair as necessary. | |
| Flexplate or Adapter Plate | ||
| Damaged | Inspect for damage. Repair as necessary. | |
| Nuts not tightened to specification | Tighten to specification. | |
| Adapter plate not aligned correctly | Remove transmission and using special service tool and procedure, align adapter plate. | |
| Pump Assembly | ||
| Screws not tightened to specification | Tighten screws to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, ball missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears cracked and/or seized | Inspect for damage. Install a new pump. | |
| Flow control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or flow control valve. | |
| Low One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
| Clutch Assemblies | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for damage, mislocation, poor seating. Install a new cylinder as necessary. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
OTHER CONCERN: ENGINE WILL NOT CRANK
| Possible Component | Reference/Action | |
|---|---|---|
| 255 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, digital transmission range (TR) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test C . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Selector Lever Cable/Digital TR Sensor | ||
| Selector lever cable or digital TR sensor damaged, misaligned | Inspect and repair as necessary. Refer to Transmission Range (TR) Sensor Adjustment or AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS . | |
| Main Control/Park System/TR Sensor Alignment | ||
| Detent spring, rooster comb, manual lever and TR sensor are not correctly aligned together | Disconnect TR sensor electrical connector. Remove outer manual lever nut. Loosen TR sensor screws. Loosen detent spring screw. Move manual lever through all gear ranges. Place manual lever into the NEUTRAL position. Tighten the detent spring screw to correct specification. Install TR sensor alignment tool. Tighten the TR sensor screws alternating sequence until correct tightening specification is obtained. Remove tool. Install outer manual lever and nut. Tighten nut to correct specification. Install TR sensor connector. Verify that the vehicle will start in PARK and NEUTRAL. Verify that the reverse backup lamps illuminate in REVERSE. | |
| Flexplate or Adapter Plate | ||
| Damaged | Inspect for damage. Repair as necessary. | |
| Pump Assembly | ||
| Screws not tightened to specification | Tighten screws to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, ball missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears cracked and/or seized | Inspect for damage. Install a new pump. | |
| Flow control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or flow control valve. | |
OTHER CONCERN: NO PARK RANGE
| Possible Component | Reference/Action | |
|---|---|---|
| 256 - ROUTINE | ||
| Selector Lever Cable/Digital Transmission Range (TR) Sensor | ||
| Selector lever cable system or digital TR sensor damaged, misaligned | Inspect and repair as necessary. Refer to Transmission Range (TR) Sensor Adjustment or AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS . | |
| Case | ||
| Manual control lever assembly damage, manual valve inner lever pin bent, manual valve inner lever damaged, spring rod damaged | Inspect for damage. If damaged, repair as necessary. | |
| Manual valve lever shaft retaining pin damaged | Inspect for damage. If damaged, repair as necessary. | |
| Park System | ||
| Park gear, parking pawl, parking pawl return spring, park or guide plate, parking actuating rod, parking pawl shaft, manual lever, manual lever detent spring damaged or misassembled | Inspect for damage. If damaged, repair as necessary. | |
| External linkages/brackets damaged | Inspect for damage. If damaged, repair as necessary. | |
OTHER CONCERN: TRANSMISSION OVERHEATING
| Possible Component | Reference/Action | |
|---|---|---|
| 257 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, torque converter clutch (TCC) solenoid, pressure control solenoids A, B, C (PC A, B, C), transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to correct level. Refer to Transmission Fluid Level Check . | |
| Hydraulic/Mechanical | ||
| Thermostatic bypass valve in the main control valve body assembly | Verify correct thermal valve function, while monitoring the TFT. Drive the vehicle for about 32 km (20 miles) or 20 minutes. If the temperature exceeds 102°C (215°F) during the drive, install a new main control valve body assembly. | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck or bore damaged, thermostatic bypass valve damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Thermostatic bypass valve damaged or malfunctioning | If the verification procedure confirms the malfunction, install a new main control valve body assembly. If not malfunctioning, inspect for damage. If damaged, install a new main control valve body assembly. | |
| Torque Converter Assembly | ||
| Seized torque converter one-way clutch | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria or is damaged, install a new or remanufactured torque converter. | |
| Excessive slip detected | ||
| Pump Assembly | ||
| Screws not tightened to specification | Tighten screws to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, ball missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears cracked and/or seized | Inspect for damage. Install a new pump. | |
| Flow control valves, springs or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or flow control valve. | |
| Case | ||
| Case vent damaged | Inspect for damage. If damaged, repair as necessary. | |
| Other | ||
| Restriction in the transmission cooling system | Refer to TRANSAXLE/TRANSMISSION COOLING for information and diagnosis of cooling system. | |
| Excessive trailer tow load | Refer to the owner guide for specifications on trailer towing. | |
| Engine driveability concerns | Check engine. Refer to ENGINE SYSTEM - GENERAL INFORMATION . | |
OTHER CONCERN: NO ENGINE BRAKING IN MANUAL 3RD POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 280 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoids A, B, C, reverse pressure switch, pressure control solenoids A, B (PC A, B) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to correct level. Refer to Transmission Fluid Level Check . | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Coast Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Center Support | ||
| Screw not tightened to specification | Tighten to specification. | |
| Seals rings or bearing damaged | Inspect for damage. Repair as necessary. | |
| Outside diameter of case bore damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
OTHER CONCERN: NO ENGINE BRAKING IN MANUAL 4TH (D Overdrive (Circle D) CANCELLED) POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 281 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid D, reverse pressure switch, pressure control solenoid B (PC B) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to correct level. Refer to Transmission Fluid Level Check . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Coast Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
OTHER CONCERNS: NO ENGINE BRAKING IN MANUAL 2ND POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 258 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoids A, C, D, pressure control solenoid A (PC A) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to correct level. Refer to Transmission Fluid Level Check . | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
OTHER CONCERN: NO ENGINE BRAKING IN MANUAL 1ST POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 259 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoids A, C, D, pressure control solenoids A, B (PC A, B) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to the correct level, refer to Transmission Fluid Level Check . | |
| Incorrect pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Reverse Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Reverse Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
OTHER CONCERNS: TRANSMISSION FLUID VENTING/FOAMING
| Possible Component | Reference/Action | |
|---|---|---|
| 261 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Pump Assembly | ||
| Screws not tightened to specification | Tighten screws to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, ball missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Case | ||
| Case vent damaged | Inspect for damage. If damaged, repair as necessary. | |
| Other | ||
| Transmission overheating | Refer to 257 routine. | |
OTHER CONCERN: VEHICLE MOVEMENT WITH GEAR SELECTOR IN N POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 262 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to correct level. Refer to Transmission Fluid Level Check . | |
| Selector Lever Cable/Digital Transmission Range (TR) Sensor | ||
| Cable system or digital TR sensor damaged, misaligned | Inspect and repair as necessary. Refer to Transmission Range (TR) Sensor Adjustment . | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Clutch Assemblies | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for damage, mislocation, poor seating. Install a new cylinder as necessary. | |
| Friction elements damaged or worn. | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Case | ||
| Manual control lever assembly damage, manual valve inner lever pin bent, manual valve inner lever damaged, spring rod damaged | Inspect for damage. If damaged, repair as necessary. | |
| Manual valve lever shaft retaining pin damaged | Inspect for damage. If damaged, repair as necessary. | |
OTHER CONCERN: SLIPS/CHATTERS IN MANUAL 1ST POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 263 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoids A, B (PC A, B) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to the correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Pump Assembly | ||
| Screws not tightened to specification | Tighten screws to specification. | |
| Gasket damaged | Inspect for damage. If damaged, install a new gasket. | |
| Porosity, cross leaks, ball missing, plugged hole | Inspect for damage. If damaged, repair as necessary. | |
| Pump gears cracked and/or seized | Inspect for damage. Install a new pump. | |
| Flow control valves, springs, or seals damaged, stuck or not assembled correctly | Inspect for damage. Install a new seal or flow control valve. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
| Reverse Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Reverse Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Direct One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
OTHER CONCERN: SLIPS/CHATTERS IN MANUAL 2ND POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 264 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoids A, B (PC A, B) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to the correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Overdrive Planetary Assembly | ||
| Planetary damaged | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
OTHER CONCERN: SLIP/CHATTERS IN MANUAL 3RD POSITION
| Possible Component | Reference/Action | |
|---|---|---|
| 282 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoids A, B (PC A, B) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to the correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
| Direct One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
| Low One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
OTHER CONCERN: ENGINE BRAKING IN ALL GEARS
| Possible Component | Reference/Action | |
|---|---|---|
| 283 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid D | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Torque Converter Assembly | ||
| Torque converter internal failure preventing engagement, piston release | Remove the transmission. Inspect for damage. Refer to Torque Converter . If the torque converter fails to pass the criteria or is damaged, install a new or remanufactured torque converter. | |
OTHER CONCERN: NO 2ND AND 5TH GEARS (MANUAL 2ND IS OK)
| Possible Component | Reference/Action | |
|---|---|---|
| 284 - ROUTINE | ||
| Hydraulic/Mechanical | ||
| Verify that Manual 2 is present and functions correctly. If Manual 2 is not operating correctly go to Shift Concerns: Routine 210 - Some/All Shifts Missing (Automatic Mode) and continue diagnosis. If Manual 2 is operating correctly continue with this routine. | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoids B, C (PC B, C) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
OTHER CONCERN: NO 3RD, 4TH AND 5TH GEARS
| Possible Component | Reference/Action | |
|---|---|---|
| 285 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, pressure control solenoids A, B (PC A, B) | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Overdrive Planetary Assembly | ||
| Planetary damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: HARSH 1-2 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 232 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift control solenoid C, pressure control solenoids B (PC B), turbine shaft speed (TSS) sensor, digital transmission range (TR) sensor, transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: HARSH 2-3 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 233 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift control solenoid B, pressure control solenoids A (PC A), turbine shaft speed (TSS) sensor, intermediate shaft speed sensor, digital transmission range (TR) sensor, transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Direct One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: HARSH 3-4 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 234 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift control solenoid A, pressure control solenoids C (PC C), digital transmission range (TR) sensor, transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Center Support | ||
| Screws not tightened to specification | Tighten to specification. | |
| Seal rings or bearing damaged | Inspect for damage. Repair as necessary. | |
| Outside diameter of case bore damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Servo | ||
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
SHIFT CONCERNS: HARSH 4-5 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 274 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid C, pressure control solenoid B (PC B), turbine shaft speed (TSS) sensor, digital transmission range (TR) sensor, transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seal (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: HARSH 5-4 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 275 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift control solenoid C, pressure control solenoid C (PC C), turbine shaft speed (TSS) sensor, digital transmission range (TR) sensor, transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Direct One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: HARSH 4-3 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 235 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid A, pressure control solenoid A (PC A), digital transmission range (TR) sensor, transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves, springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: HARSH 3-2 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 236 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift control solenoid C, pressure control solenoid B (PC B), turbine shaft speed (TSS) sensor, intermediate shaft speed sensor, digital transmission range (TR) sensor, transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: HARSH 2-1 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 237 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift control solenoid C, pressure control solenoid B (PC B), turbine shaft speed (TSS) sensor, digital transmission range (TR) sensor, transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Direct Clutch One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: NO 1-2 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 220 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid C, pressure control solenoid B (PC B), output shaft speed (OSS) sensor, digital transmission range (TR) sensor, vehicle speed sensor (VSS) input | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM and VSS. | |
| Go to Pinpoint Test A , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to correct level. Refer to Transmission Fluid Level Check . | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Overdrive Planetary Assembly | ||
| Planetary damaged | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: NO 2-3 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 221 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid B, torque converter clutch (TCC) solenoid, pressure control solenoid A (PC A), output shaft speed (OSS) sensor, digital transmission range (TR) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball, damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Intermediate Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: NO 3-4 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 222 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid A, pressure control solenoid C (PC C), output shaft speed (OSS) sensor, digital transmission range (TR) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Center Support | ||
| Screws not tightened to specification | Tighten to specification. | |
| Seal rings or bearing damaged | Inspect for damage. Repair as necessary. | |
| Outside diameter of case bore damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
SHIFT CONCERN: NO 4-5 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 270 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid C, pressure control solenoid B (PC B), output shaft speed (OSS) sensor, digital transmission range (TR) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Transmission control switch (TCS) | Go to Pinpoint Test A , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | |
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| For TCS diagnosis, refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS . | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: NO 5-4 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 271 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid C, pressure control solenoid C (PC C), output shaft speed (OSS) sensor, digital transmission range (TR) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission control switch (TCS) | For TCS diagnosis, refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS . | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: NO 4-3 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 223 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid A, B, pressure control solenoid A (PC A), output shaft speed (OSS) sensor, digital transmission range (TR) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: NO 3-2 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 224 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid C, pressure control solenoid B (PC B), output shaft speed (OSS) sensor, digital transmission range (TR) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: NO 2-1 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 225 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid C, pressure control solenoid B (PC B), output shaft speed (OSS) sensor, digital transmission range (TR) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test C , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Forward Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Bronze seal ring or bearing damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: SOFT/SLIPPING 1-2 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 226 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid C, pressure control solenoid B (PC B), transmission fluid temperature (TFT) sensor, vehicle speed sensor (VSS) input | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Transmission Fluid | ||
| Incorrect transmission fluid level | Adjust transmission fluid to correct level. Refer to Transmission Fluid Level Check . | |
| Transmission fluid condition | Carry out Transmission Fluid Condition Check. Refer to Preliminary Inspection . | |
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: SOFT/SLIPPING 2-3 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 227 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid A (PC A), pressure control solenoid A, intermediate shaft speed sensor, transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valve/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Intermediate Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Direct One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: SOFT/SLIPPING 3-4 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 228 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid A, pressure control solenoid C (PC C), transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Center Support | ||
| Screw not tightened to specification | Tighten to specification. | |
| Seal rings or bearing damaged | Inspect for damage. Repair as necessary. | |
| Outside diameter of case bore damaged | Inspect for damage. Repair as necessary. | |
| Support damaged or leaking | Inspect for damage. Repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: SOFT/SLIPPING 4-5 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 272 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid C, pressure control solenoid B (PC B), transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: FEEL - SOFT/SLIPPING 5-4 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 273 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid C, pressure control solenoid C, (PC C) transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Direct Clutch Assembly | ||
| Seals, piston damaged | Inspect for damage. Repair as necessary. | |
| Check ball damaged, missing, not seating, off location | Inspect for mislocation, poor seating, damage. Install a new cylinder. | |
| Friction elements damaged or worn | Inspect for damage. Repair as necessary. | |
| Return springs damaged | Inspect for damage. Repair as necessary. | |
| Direct One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: FEEL - SOFT/SLIPPING 4-3 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 229 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid A, pressure control solenoid A (PC A), transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Intermediate Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Intermediate Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: SOFT/SLIPPING 3-2 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 230 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid C, pressure control solenoid B (PC B), intermediate shaft speed sensor, transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B , go to Pinpoint Test D and Go to Pinpoint Test E . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |
| Overdrive Servo | ||
| Servo retaining screws damaged | Inspect for damage. Repair as necessary. | |
| Seals (piston and cover) damaged | Inspect for damage. Repair as necessary. | |
| Overdrive Band | ||
| Band damaged | Inspect for damage. Repair as necessary. | |
| Servo worn or damaged | Inspect for damage. Repair as necessary. | |
| Not adjusted correctly | Inspect for damage. Repair as necessary. | |
| Direct One-Way Clutch | ||
| Worn, damaged or assembled incorrectly | Inspect for damage. Repair as necessary. | |
SHIFT CONCERN: FEEL - SOFT/SLIPPING 2-1 SHIFT
| Possible Component | Reference/Action | |
|---|---|---|
| 231 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, shift solenoid C, pressure control solenoid B (PC B), transmission fluid temperature (TFT) sensor | Carry out on-board diagnostic tests. Refer to the Introduction - Gasoline Engines for diagnosis and testing of the PCM. | |
| Go to Pinpoint Test A , go to Pinpoint Test B and Go to Pinpoint Test D . | ||
| Repair as required. Clear DTCs, road test and rerun on-board diagnostic test. | ||
| Incorrect Pressures | ||
| High/low pressures | Carry out Line Pressure Test . Refer to Special Testing Procedures . | |
| Main Control | ||
| Screws not tightened to specification | Tighten to specification. | |
| Separator plate damaged | Inspect for damage. If damaged, install a new separator plate. | |
| Contamination | Disassemble and clean. | |
| Valves/springs damaged, misassembled, missing, stuck or bore damaged | If damaged or parts are missing, install new main control assembly. If misassembled, reassemble correctly. DO NOT stone, file or sand valves. This will remove the anodized finish and may result in further main control or transmission damage. | |
| Filter damaged, missing | Inspect for damage, repair as necessary. | |