Engagement Concern: Harsh Reverse ONLY
DIAGNOSTIC ROUTINES ENGAGEMENT CONCERN: HARSH REVERSE ONLY
| Possible Component | Reference/Action |
|---|---|
| 203 - ELECTRICAL ROUTINE | |
| Powertrain Control System | |
| PCM, vehicle wiring harness, SSD. | Carry out on-board diagnostic tests. Refer to the SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV article for diagnosis and testing of the PCM. |
| Carry out pinpoint test A, refer to PINPOINT TEST A: SHIFT AND TORQUE CONVERTER CLUTCH SOLENOIDS (ONLY) . | |
| Repair as required. Clear the DTCs, road test and rerun on-board diagnosis test. | |
| 303 - HYDRAULIC/MECHANICAL ROUTINE | |
| Incorrect Pressures | |
| High pressures. | Check pressure at Line tap. |
| Carry out LINE PRESSURE TEST . Follow pressure diagnosis and repair as required. | |
| Main Control | |
| Bolts not tightened to specification. | Tighten to specifications. |
| Separator plate damaged. | Inspect for damage. If damaged, repair as necessary. |
| 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 transaxle damage. |
| Low/Reverse Clutch Assembly | |
| Seals, piston damaged. | Inspect for damage. Repair as necessary. |
| Friction elements damaged or worn. | Inspect for damage. Repair as necessary. |
| Return springs damaged. | Inspect for damage. Repair as necessary. |
| Reverse Clutch Assembly | |
| Seals, piston damaged. | Inspect for damage. Repair as necessary. |
| Check balance dam. | Inspect for damage. Repair as necessary. |
| Friction elements damaged or worn. | Inspect for damage. Repair as necessary. |
| Return springs damaged. | Inspect for damage. Repair as necessary. |