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 power window main switch power supply and ground circuit.
Refer to Component Function Check .
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace the malfunctioning parts.
- CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH SERIAL CIRCUIT
Check main power window and door lock/unlock switch serial circuit.
Refer to Component Function Check .
Is the inspection result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
Repair or replace the malfunctioning parts.