Diagnostic Test
- CHECK TCM POWER CIRCUIT (PART 1)
- Turn ignition switch OFF.
- Disconnect TCM connector.
- Check voltage between TCM harness connector terminals and ground.
+ - Voltage TCM Connector Terminal F89 45 Ground 10 - 16 V 46
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
GO TO STEP 4 .
- CHECK TCM POWER CIRCUIT (PART 2)
Check voltage between TCM harness connector terminals and ground.
+ - Condition Voltage TCM Connector Terminal F89 47 Ground Ignition switch ON 10 - 16 V Ignition switch OFF Approx. 0 V 48 Ignition switch ON 10 - 16 V Ignition switch OFF Approx. 0 V Is the inspection result normal?
YES
GO TO STEP 3 .
NO
GO TO STEP 5 .
- CHECK TCM GROUND CIRCUIT
Check continuity between TCM harness connector terminals and ground.
TCM - Continuity Connector Terminal F89 41 Ground Existed 42 Is the inspection result normal?
YES
Check intermittent incident. Refer to INTERMITTENT INCIDENT .
NO
Repair or replace malfunctioning parts.
- DETECT MALFUNCTION ITEMS (PART 1)
Check the following items:
- Open or short circuit in harness between battery positive terminal and fuse block (J/B). Refer to WIRING DIAGRAM - BATTERY POWER SUPPLY - .
- Open or short circuit in harness between fuse block (J/B) connector terminal 2N and TCM harness connector terminal 45, and 46.
- 10A fuse [No. 25, located in the fuse block (J/B)]. Refer to TERMINAL ARRANGEMENT .
Is the inspection result normal?
YES
Check intermittent incident. Refer to INTERMITTENT INCIDENT .
NO
Repair or replace malfunctioning parts.
- DETECT MALFUNCTIONING ITEMS (PART 2)
Check the following items:
- Open or short circuit in harness between ignition switch and IPDM E/R. Refer to WIRING DIAGRAM - IGNITION POWER SUPPLY - .
- Open or short circuit in harness between IPDM E/R connector terminal 61 and TCM harness connector terminal 47, and 48.
- 10A fuse (No. 46, located in the IPDM E/R). Refer to IPDM E/R TERMINAL ARRANGEMENT .
- IPDM E/R
Is the check result normal?
YES
Check intermittent incident. Refer to INTERMITTENT INCIDENT .
NO
Repair or replace malfunctioning parts.