Shift Indicator Lamp Troubleshooting (M/T)
Shift Indicator Lamp Troubleshooting
NOTE: Check for Pending or Confirmed DTCs with the HDS before doing this procedure. If any DTCs are stored, troubleshoot them first, then do this procedure.
1. Connect the HDS to the DLC.
2. Start the engine.
3. Test-drive several minutes.
4. Check the C SHAFT SPD in the DATA LIST with the HDS.
Is any vehicle speed indicated?
YES -
Go to step 5.
NO -
Go to the troubleshooting for P0720 DTC Troubleshooting.
5. Do the gauge self-diagnostic function Testing and Inspection.
Is the result OK?
YES -
Go to step 6.
NO -
Substitute a known-good gauge control module, and recheck. If the symptom/indication goes away with a known-good gauge control module, replace the original gauge control module Service and Repair.
6. Do the APP sensor signal inspection Testing and Inspection.
Is the result OK?
YES -
Go to step 7.
NO -
Depending on the result, repair or replace the appropriate part.
7. Do the brake pedal position switch signal circuit troubleshooting Brake Pedal Position Switch Signal Circuit Troubleshooting.
Is the result OK?
YES -
Go to step 8.
NO -
Depending on the result, repair or replace the appropriate part.
8. Turn the ignition switch to LOCK (0).
9. Check the position of clutch pedal position switch C Adjustments.
Is the position correct?
YES -
Go to step 10.
NO -
Do the clutch pedal and clutch pedal position switch C adjustment Adjustments.
10. Turn the ignition switch to ON (II).
11. Check the CLUTCH PEDAL POSITION SWITCH A (C) in the DATA LIST with the HDS.
Is OPEN indicated?
YES -
Go to step 12.
NO -
Go to step 28.
12. Press the clutch pedal.
13. Check the CLUTCH PEDAL POSITION SWITCH A (C) in the DATA LIST with the HDS.
Is CLOSE indicated?
YES -
Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the gauge control module, clutch pedal position switch C, and the ECM.
NO -
Go to step 14.
14. Turn the ignition switch to LOCK (0).
15. Disconnect the clutch pedal position switch C 2P connector.
16. Connect clutch pedal position switch C 2P connector terminals No. 1 and No. 2 with a jumper wire.
17. Turn the ignition switch to ON (II).
18. Check CLUTCH PEDAL POSITION SWITCH A (C) in the DATA LIST with the HDS.
Is OPEN indicated?
YES -
Go to step 19.
NO -
Replace clutch pedal position switch C Service and Repair.
19. Turn the ignition switch to LOCK (0).
20. Remove the jumper wire from the clutch pedal position switch C 2P connector.
21. Connect clutch pedal position switch C 2P connector terminal No. 1 to body ground with a jumper wire.
22. Turn the ignition switch to ON (II).
23. Check CLUTCH PEDAL POSITION SWITCH A (C) in the DATA LIST with the HDS.
Is CLOSE indicated?
YES -
Go to step 24.
NO -
Repair an open in the wire between clutch pedal position switch C and body ground (G403).
24. Turn the ignition switch to LOCK (0).
25. Jump the SCS line with the HDS.
26. Disconnect ECM connector B (44P).
27. Check for continuity between ECM connector terminal B39 and body ground.
Is there continuity?
YES -
Update the ECM if it does not have the latest software ECM/PCM Update, or substitute a known-good ECM, then recheck. If the symptom/indication goes away with a known-good ECM, replace the original ECM Service and Repair.
NO -
Repair an open in the wire between the ECM (B39) and the clutch pedal position switch C.
28. Turn the ignition switch to LOCK (0).
29. Disconnect the clutch pedal position switch C 2P connector.
30. Turn the ignition switch to ON (II).
31. Check CLUTCH PEDAL POSITION SWITCH A (C) in the DATA LIST with the HDS.
Is OPEN indicated?
YES -
Replace clutch pedal position switch C Service and Repair.
NO -
Go to step 32.
32. Turn the ignition switch to LOCK (0).
33. Jump the SCS line with the HDS.
34. Disconnect ECM connector B (44P).
35. Check for continuity between ECM connector terminal B39 and body ground.
Is there continuity?
YES -
Repair a short in the wire between the ECM (B39) and clutch pedal position switch C.
NO -
Update the ECM if it does not have the latest software ECM/PCM Update, or substitute a known-good ECM, then recheck. If the symptom/indication goes away with a known-good ECM, replace the original ECM Service and Repair.