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Check Encoder Circuit (Passenger Side)

  1. CHECK FRONT POWER WINDOW MOTOR (PASSENGER SIDE) POWER SUPPLY 
    1. Turn ignition switch ON.
    2. Check voltage between front power window motor (passenger side) connector D38 terminal 4 and ground.

      4 (R) - Ground : Approx. 10V 

    3. Fig 1: Identifying Voltage Between Front Power Window Motor (Passenger Side) Connector D38 Terminal 4 And Ground
      G05221224Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO  3.

    NG: GO TO  2.

  2. CHECK HARNESS CONTINUITY 1 
    1. Turn ignition switch OFF.
    2. Disconnect front power window switch (passenger side) and front power window motor (passenger side) connector.
    3. Check continuity between front power window switch (passenger side) connector D36 terminal 4 and front power window motor (passenger side) connector D38 terminal 4.

      4 (R) - 4 (R) : Continuity should exist. 

      Fig 2: Identifying Continuity Between Front Power Window Switch Connector D36 Terminal 4 And Connector D38 Terminal 4
      G05221225Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace front power window switch (passenger side).

    NG: Repair or replace harness.

  3. CHECK GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect front power window motor (passenger side) connector.
    3. Check continuity between front power window motor (passenger side) connector D38 terminal 6 and ground.

      6 (SB) - Ground : Continuity should exist. 

      Fig 3: Identifying Continuity Between Front Power Window Motor (Passenger Side) Connector D38 Terminal 6 And Ground
      G05221213Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO  5.

    NG: GO TO  4.

  4. CHECK HARNESS CONTINUITY 2 
    1. Disconnect front power window switch (passenger side) connector.
    2. Check continuity between front power window switch (passenger side) connector D36 terminal 3 and front power window motor (passenger side) connector D38 terminal 6.

      3 (SB) - 6 (SB) : Continuity should exist. 

      Fig 4: Identifying Continuity Between Front Power Window Switch Connector D36 Terminal 3 And Connector D38 Terminal 6
      G05221214Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace front power window switch (passenger side).

    NG: Repair or replace harness.

  5. CHECK ENCODER SIGNAL 
    1. Connect front power window motor (passenger side) connector.
    2. Turn ignition switch ON.
    3. Check signal between front power window switch (passenger side) connector and ground with oscilloscope.
    4. Fig 5: Identifying Signal Between Front Power Window Switch (Passenger Side) Connector And Ground
      G04918730Courtesy of NISSAN MOTOR CO., U.S.A.
    ENCODER SIGNAL

    Connector Terminals (Wire color) Condition Signal (Reference value)
    (+) (-)
    D36 12 (PU) Ground Window DOWN
    G04877356Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace front power window switch (passenger side).

    NG: GO TO  6.

  6. CHECK HARNESS CONTINUITY 3 
    1. Turn ignition switch OFF.
    2. Disconnect front power window switch (passenger side) and front power window motor (passenger side) connector.
    3. Check continuity between front power window switch (passenger side) connector D36 terminal 12 and front power window motor (passenger side) connector D38 terminal 3.

      12 (PU) - 3 (PU) : Continuity should exist. 

      Fig 6: Identifying Continuity Between Front Power Window Switch Connector D36 Terminal 12 And Power Window Motor Connector D38 Terminal 3
      G05221230Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace front power window motor (passenger side).

    NG: Repair or replace harness.