Diagnosis Procedure

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

   (+)			(-)	Signal (Reference value)
   Door switch
   Connector		Terminal
   Driver side	B16	2	Ground	Courtesy of NISSAN NORTH AMERICA, INC.
   Passenger side	B216	2		Courtesy of NISSAN NORTH AMERICA, INC.
   Rear LH	B23	2		Courtesy of NISSAN NORTH AMERICA, INC.
   Rear RH	B223	2		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 door switch harness connector and BCM harness connector.

   Door switch			BCM		Continuity
   Connector		Terminal	Connector	Terminal
   Driver side	B16	2	M123	150	Existed
   Passenger side	B216			124
   Rear LH	B23		M121	69
   Rear RH	B223			68

3. Check continuity between door switch harness connector and ground.

   Door switch			Ground	Continuity
   Connector		Terminal
   Driver side	B16	2		Not existed
   Passenger side	B216
   Rear LH	B23
   Rear RH	B223

Is the inspection result normal?

YES 

Replace BCM. Refer to REMOVAL AND INSTALLATION .

NO 

Repair or replace harness.

Refer to COMPONENT INSPECTION .

Is the inspection result normal?

YES 

GO TO STEP 4  .

NO 

Replace malfunctioning door switch. Refer to REMOVAL AND INSTALLATION .

Refer to INTERMITTENT INCIDENT .

INSPECTION END