Procedure B
- CHECK COOLING FAN MOTOR CIRCUIT
- Turn ignition switch OFF.
- Disconnect cooling fan motor harness connector.
- Disconnect IPDM E/R harness connectors E6 and E9.
- Check harness continuity between the following; cooling fan motor terminal 1 and IPDM E/R terminal 11, IPDM E/R terminal 54 and ground.
Refer to wiring diagram.
- Continuity should exist.
- Also check harness for short to ground and short to power.
OK or NG
- OK: GO TO 2.
- NG: Repair open circuit or short to ground or short to power in harness or connectors.
- CHECK COOLING FAN MOTOR
Refer to COOLING FAN MOTOR .
OK or NG
- OK: GO TO 3.
- NG: Replace cooling fan motor.
- CHECK INTERMITTENT INCIDENT
Perform TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .
OK or NG
- OK: Replace IPDM E/R. Refer to IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) - G35 SEDAN .
- NG: Repair or replace harness connectors.