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Encoder Circuit Check (Front Passenger Side)

  1. Check Power Window Motor (Front Passenger Side) Power Supply 
    1. Turn ignition switch ON.
    2. Check voltage between power window motor (front passenger side) connector D38 terminal 4 and ground.
      1. 4 (G/R) - Ground: Approx.10V 

    OK or NG 

    1. OK : GO TO  3 .
    2. NG : GO TO 2.
    Fig 1: Checking Voltage Between Power Window Motor (Front Passenger Side) Connector D38 Terminal 4 And Ground
    G02391372Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Check Harness Continuity 
    1. Turn ignition switch OFF.
    2. Disconnect power window motor (front passenger side) and power window sub-switch (front passenger side).
    3. Check continuity between power window motor (front passenger side) connector D38 terminal 4 and power window sub-switch (front passenger side) connector D36 terminal 15.
      1. 4 (G/R) - 15 (G/R): Continuity should exist. 
    4. Check continuity between power window motor (front passenger side) connector D38 terminal 4 and ground.
      1. 4 (G/R) - Ground: Continuity should not exist. 

    OK or NG 

    1. OK : Replace power window sub-switch (front passenger side).
    2. NG : Repair or replace harness between power window motor (front passenger side) and power window sub-switch (front passenger side).
    Fig 2: Checking Continuity Between Power Window Motor (Front Passenger Side) Connector D38 Terminal 4, Power Window Sub-Switch (Front Passenger Side) Connector D36 Terminal 15 And Ground
    G02391373Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Check Encoder Ground 
    1. Turn ignition switch OFF.
    2. Disconnect power window motor (front passenger side) connector.
    3. Check continuity between power window motor (front passenger side) connector D38 terminal 6 and ground.
      1. 6 (W/B) - Ground: Continuity should exist. 

    OK or NG 

    1. OK : GO TO  5 .
    2. NG : GO TO 4.
    Fig 3: Checking Continuity Between Power Window Motor (Front Passenger Side) Connector D38 Terminal 6 And Ground
    G02391374Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Check Encoder Ground Circuit 
    1. Disconnect power window sub-switch (front passenger side) connector.
    2. Check continuity between power window motor (front passenger side) connector D38 terminal 6 and power window sub-switch (front passenger side) connector D36 terminal 20.
      1. 6 (W/B) - 20 (W/B): Continuity should exist. 

    OK or NG 

    1. OK : Replace power window sub switch (front passenger side).
    2. NG : Repair or replace harness between power window motor (front passenger side) and power window sub-switch.
    Fig 4: Checking Continuity Between Power Window Motor Connector D38 Terminal 6 And Power Window Sub-Switch (Both Front Passenger Side) Connector D36 Terminal 20
    G02391375Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Check Encoder Signal 
    1. Connect power window motor (front passenger side) connector.
    2. Turn ignition switch ON.
    3. Check the signal between power window sub-switch (front passenger side) connector and ground with oscilloscope.
      Fig 5: Signal Checking Table - Between Power Window Sub-Switch (Front Passenger Side) Connector And Ground
      G02391376Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : Replace power sub-switch (front passenger side).
    2. NG : GO TO 6.
    Fig 6: Checking Signal Between Power Window Sub-Switch (Front Passenger Side) Connector And Ground With Oscilloscope
    G02391377Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Check Encoder Circuit 
    1. Turn ignition switch OFF.
    2. Disconnect power window motor (front passenger side) and power window sub-switch (front passenger side) connector.
    3. Check continuity between power window motor (front passenger side) connector D38 terminal 3 and power window sub-switch (front passenger side) connector D36 terminal 19.
      1. 3 (G/Y) - 19 (G/Y): Continuity should exist. 

    OK or NG 

    1. OK : Replace power window motor (front passenger side).
    2. NG : Repair or replace harness between power window motor (front passenger side) and power window sub-switch (front passenger side).
    Fig 7: Checking Continuity Between Power Window Motor Connector D38 Terminal 3 And Power Window Sub-Switch (Both Front Passenger Side) Connector D36 Terminal 19
    G02391378Courtesy of NISSAN MOTOR CO., U.S.A.
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