Diagnosis Procedure

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.

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. Refer to Removal and Installation .
• Confirm the operation after replacement.

Is the result normal?

YES

Inspection End.

NO

Check intermittent incident. Refer to Intermittent Incident .