Front Power Window Regulator Circuit Check (Passenger Side)

1. Turn ignition switch OFF.
2. Disconnect front power window regulator (passenger side) connector.
3. Turn ignition switch ON.
4. Check voltage between front power window regulator (passenger side) connector and ground.
   Fig 1: Checking Voltage Between Front Power Window Regulator Connector & Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Identifying Terminal Connector Voltage Specifications

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK >> Replace power window regulator (passenger side).

NG >> GO TO 2

1. Turn ignition switch OFF.
2. Disconnect passenger door control unit connector.
3. Check continuity between passenger door control unit connector D38 terminals 3, 14 and front power window regulator (passenger side) connector D37 terminals 1, 2.
   1. 3 (L/W) - 2 (L/W) : Continuity should exist. 
   2. 14 (L/R) - 1 (L/R) : Continuity should exist. 
   Fig 3: Checking Front Power Window Regulator (Passenger Side) Circuit

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between passenger door control unit connector D38 terminals 3, 14 and ground.
   1. 3 (L/W) - Ground : Continuity should not exist. 
   2. 14 (L/R) - Ground : Continuity should not exist. 

OK or NG 

OK >> Replace passenger door control unit.

NG >> Repair or replace harness between passenger door control unit and front power window regulator (passenger side).