Nissan Versa

 Sedan Service Manual

Body exterior, doors, roof & vehicle security » Door & lock (DLK) » Door lock and unlock switch
Diagnosis Procedure

Regarding Wiring Diagram information, refer to DLK "POWER DOOR LOCK SYSTEM : Wiring Diagram".

1.CHECK DOOR LOCK AND UNLOCK SWITCH INPUT SIGNAL

1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch connector.
3. Check signal between main power window and door lock/unlock switch harness connector and ground using oscilloscope.  

Is the inspection result normal?

YES >> GO TO 3.

NO >> GO TO 2.

2.CHECK DOOR LOCK AND UNLOCK SWITCH CIRCUIT

1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and main power window and door lock/unlock switch harness connector.                    
3. Check continuity between BCM harness connector and ground.           

Is the inspection result normal?

YES >> Replace BCM. Refer to BCS "Removal and Installation".

NO >> Repair or replace harness.

3.CHECK DOOR LOCK AND UNLOCK SWITCH GROUND

Check continuity between main power window and door lock/unlock switch harness connector and ground. 

Is the inspection result normal?

YES >> GO TO 4.

NO >> Repair or replace harness.

4.CHECK DOOR LOCK AND UNLOCK SWITCH

Refer to DLK "Component Inspection".

Is the inspection result normal?

YES >> GO TO 5.

NO >> Replace main power window and door lock/unlock switch. Refer to PWC "Removal and Installation".

5.CHECK INTERMITTENT INCIDENT

Refer to GI "Intermittent Incident".

>> Inspection End.

Component Function Check

Diagnosis Procedure

Component Inspection