Operation CHARM: Car repair manuals for everyone.

Diagnosis Procedure




DOOR LOCK ACTUATOR

DRIVER SIDE : Diagnosis Procedure


1. CHECK DOOR LOCK ACTUATOR INPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect front door lock assembly (driver side) connector.
3.Check voltage between front door lock assembly (driver side) harness connector and ground.





Is the inspection result normal?
YES- Replace front door lock assembly (driver side).
NO- GO TO 2.

2. CHECK DOOR LOCK ACTUATOR CIRCUIT

1.Disconnect BCM, all door lock actuators and fuel lid lock actuator connector.
2.Check continuity between BCM harness connector and front door lock assembly (driver side) harness connector.





3.Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness.

3. CHECK BCM OUTPUT SIGNAL

1.Connect BCM connector.
2.Check voltage between BCM harness connector and ground.





Is the inspection result normal?
YES- Check for internal short of each door lock actuator and fuel lid lock actuator.
NO- Replace BCM. Service and Repair.