Diagnosis Procedure

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

   (+)		(-)	Signal (Reference value)
   Front door lock assembly (driver side)
   Connector	Terminal
   D1	3	Ground	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

GO TO STEP 3  .

NO 

GO TO STEP 2  .

1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and front door lock assembly (driver side) harness connector.

   BCM		Front door lock assembly (driver side)		Continuity
   Connector	Terminal	Connector	Terminal
   M13	30	D1	3	Existed

3. Check continuity between BCM harness connector and ground.

   BCM		Ground	Continuity
   Connector	Terminal
   M13	30		Not existed

Is the inspection result normal?

YES 

Replace BCM. Refer to REMOVAL AND INSTALLATION .

NO 

Repair or replace harness.

Check continuity between front door lock assembly (driver side) harness connector and ground.

Is the inspection result normal?

YES 

GO TO STEP 4  .

NO 

Repair or replace harness.

Refer to COMPONENT INSPECTION .

Is the inspection result normal?

YES 

GO TO STEP 5  .

NO 

Replace front door lock assembly (driver side).

Refer to INTERMITTENT INCIDENT .

INSPECTION END