Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect front power window switch (passenger side) connector.
3. Check signal between front power window switch (passenger side) harness connector and ground with oscilloscope when door lock and unlock switch (driver side and passenger side) is turned to "LOCK" or "UNLOCK".
4. Check that signals which are shown in the figure below can be detected during 10 seconds just after door lock and unlock switch (driver side and passenger side) is turned to "LOCK" or "UNLOCK".

   (+)		(-)	Signal (Reference value)
   Front power window switch (passenger side)
   Connector	Terminal
   D38	16	Ground	Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

Replace front power window switch (passenger side). Refer to REMOVAL AND INSTALLATION .

NO 

GO TO STEP 2  .

1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and front power window switch (passenger side) harness connector.

   BCM		Front power window switch (passenger side)		Continuity
   Connector	Terminal	Connector	Terminal
   M123	132	D38	16	Existed

3. Check continuity between BCM harness connector and ground.

   BCM		Ground	Continuity
   Connector	Terminal
   M123	132		Not existed

Is the inspection result normal?

YES 

Replace BCM. Refer to EXPLODED VIEW .

NO 

Repair or replace harness.