Diagnosis Procedure

Check BCM power supply and ground circuit. Refer to DIAGNOSIS PROCEDURE  (with Intelligent Key system) or DIAGNOSIS PROCEDURE  (without Intelligent Key system).

Is the inspection result normal?

YES 

GO TO STEP 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 STEP 3  .

NO 

Repair or replace the malfunctioning parts.

Confirm the operation again.

Is the result normal?

YES 

Check intermittent incident. Refer to INTERMITTENT INCIDENT .

NO 

GO TO STEP   1