Diagnostic Procedure

CHECK DTC WITH TCM
Refer to OBD-II DIAGNOSTIC TROUBLE CODE (DTC) .

OK or NG
- OK: GO TO 2.
- NG: Repair or replace.
CHECK STARTING SYSTEM
Turn ignition switch OFF, then turn it to START.

Does starter motor operate?

Yes or No
- Yes: GO TO 3.
- No: refer to STARTING SYSTEM .
CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I
1. Turn ignition switch OFF.
2. Disconnect TCM harness connector.
3. Disconnect "unified meter and A/C amp." harness connector.
4. Check harness continuity between TCM terminal 24 and "unified meter and A/C amp." terminal 32. Refer to WIRING DIAGRAM - PNP/SW .
  - Continuity should exist.
5. Also check harness for short to ground and short to power.
OK or NG
- OK: GO TO 5.
- NG: GO TO 4.
DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors F102, M82
- Harness for open or short between TCM and "unified meter and A/C amp."
- Repair open circuit or short to ground or short to power in harness or connectors.
CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-II
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 102 and "unified meter and A/C amp." terminal 25. Refer to WIRING DIAGRAM - PNP/SW .
  - Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
- OK: GO TO 6.
- NG: Repair open circuit or short to ground or short to power in harness or connectors.
CHECK INTERMITTENT INCIDENT
Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

OK or NG
- OK: GO TO 7.
- NG: Repair or replace.
REPLACE "UNIFIED METER AND A/C AMP."
Refer to COMBINATION METERS .
- INSPECTION END