Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect malfunction front door switch connector.
3. Check signal between malfunction front door switch harness connector and ground with oscilloscope.

   (+)			(-)	Voltage (V) (Approx.)
   Front Door Switch
   Connector		Terminal
   Driver side	B16	2	Ground	Courtesy of NISSAN NORTH AMERICA, INC.
   Passenger side	B216

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 malfunction door switch harness connector.

   BCM		Front door switch		Continuity
   Connector	Terminal	Connector	Terminal
   M123	124	B216	2	Exists
   	150	B16

3. Check continuity between BCM harness connector and ground.

   BCM		Ground	Continuity
   Connector	Terminal
   M123	124		Not exist
   	150

Is the inspection result normal?

YES 

Replace BCM. Refer to EXPLODED VIEW .

NO 

Repair or replace harness.

Check front door switch.

Refer to COMPONENT INSPECTION .

Is the inspection result normal?

YES 

GO TO STEP 4  .

NO 

Replace malfunction front door switch. Refer to REMOVAL AND INSTALLATION .

Refer to INTERMITTENT INCIDENT .

INSPECTION END