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.
- CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH SERIAL LINK CIRCUIT
- Check power window serial link circuit. Refer to Component Function Check .
Is the inspection result normal?
YES>>
GO TO 4.
NO>>
Repair or replace the malfunctioning parts.
- CONFIRM THE OPERATION
- Confirm the operation again.
Is the inspection result normal?
YES>>
Check intermittent incident. Refer to Intermittent Incident .
NO>>
GO TO 1.