Shift Concerns: No First Gear in Manual 1st
DIAGNOSTIC ROUTINES SHIFT CONCERNS: NO FIRST GEAR IN MANUAL 1ST
| Possible Component | Reference/Action |
|---|---|
| 216 - ELECTRICAL ROUTINE | |
| Powertrain Control System | |
| PCM and vehicle wiring harnesses. | Carry out on-board diagnostic tests. Refer to the SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV article for diagnosis and testing of the PCM. |
| Repair as required. Clear the DTCs, road test and rerun on-board diagnosis test. | |
| 316 - HYDRAULIC/MECHANICAL ROUTINE | |
| Incorrect Pressures | |
| High/Low Pressures. | Check pressure at Line tap. |
| Refer to the BAND/CLUTCH APPLICATION CHART to determine which gears are on. Follow the diagnostic routines to repair the missing gears. | |
| 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 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 transaxle damage. |
| Low/Reverse Clutch Assembly | |
| Seals. | Inspect for damage. Repair as necessary. |
| Friction plates. | Inspect for damage. If damaged, repair as necessary. |
| Return spring. | Inspect for damage. Repair as necessary. |
| OD Planetary Assembly | |
| Planetary damaged. | Inspect for damage. If damaged, repair as necessary. |