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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.

    4 (G/R) - Ground : Approx.10V 

    OK or NG 

    • OK: GO TO 3.
    • NG: GO TO 2.
    Fig 1: Identifying Voltage Between Power Window Motor Connector D38 Terminal 4 And Ground
    G04122804Courtesy 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 4.

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

    OK or NG 

    • OK: Replace power window sub-switch (front passenger side).
    • NG: Repair or replace harness.
    Fig 2: Identifying Continuity Between Power Window Motor Connector D38 And Terminal 4
    G04122805Courtesy 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.

    6 (W/B) - Ground : Continuity should exist. 

    OK or NG 

    • OK: GO TO 5.
    • NG: GO TO 4.
    Fig 3: Identifying Continuity Between Power Window Motor Connector D38 Terminal 6 And Ground
    G04122806Courtesy 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 3.

    6 (W/B) - 3 (W/B) : Continuity should exist. 

    Fig 4: Identifying Continuity Between Power Window Motor Connector D38 And Terminal 6
    G04122807Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK: Replace power window sub switch (front passenger side).
    • NG: Repair or replace harness.
  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.
    SIGNAL REFERENCE VALUE

    Connector Terminals (Wire color) Condition of window Signal (Reference value)
    (+) (-)
    D36 12 (G/Y) Ground opening
    G04077331Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 5: Identifying Signal Between Power Window Sub-Switch Connector And Ground
    G04122809Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK: Replace power sub-switch (front passenger side).
    • NG: GO TO 6.
  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 12.

    3 (G/Y) - 12 (G/Y) : Continuity should exist. 

    OK or NG 

    • OK: Replace power window motor (front passenger side).
    • NG: Repair or replace harness.
    Fig 6: Identifying Continuity Between Power Window Motor Connector D38 And Terminal 3
    G04122810Courtesy of NISSAN MOTOR CO., U.S.A.
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