Diagnosis Procedure
- CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit. Refer to Diagnosis Procedure .
Is the inspection result normal?
YES
GO TO 2.
NO
Repair or replace the malfunctioning parts.
- CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH POWER SUPPLY AND GROUND CIRCUIT
Check main power window and door lock/unlock switch power supply and ground circuit. Refer to Diagnosis Procedure .
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace the malfunctioning parts.
- REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
- Replace main power window and door lock/unlock switch. Refer to Removal and Installation .
- Check operation after replacement.
Is the inspection result normal?
YES
Inspection End.
NO
Check intermittent incident. Refer to Intermittent Incident .