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.