Diagnosis Procedure

DOOR LOCK ACTUATOR

DRIVER SIDE : Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" [1][2]Electrical Diagrams.

1. CHECK DOOR LOCK ACTUATOR INPUT SIGNAL

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





Is the inspection result normal?
YES- Replace front door lock assembly LH. Refer to "DOOR LOCK : Removal and Installation" Removal and Installation.
NO- GO TO 2.

2. CHECK DOOR LOCK ACTUATOR CIRCUIT

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

Revision: March 20122013 Infiniti JX
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 door lock actuator.
NO- Replace BCM. Refer to "Removal and Installation" Service and Repair.