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.

Confirm the operation again.

Is the inspection result normal?

YES

Check intermittent incident. Refer to Intermittent Incident .

NO

GO TO 1.