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 POWER WINDOW MAIN SWITCH POWER SUPPLY AND GROUND CIRCUIT
Check power window 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.
- CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
Go to 1.