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Encoder Circuit Check (Driver Side)

  1. CHECK POWER WINDOW MOTOR (FRONT DRIVER SIDE) POWER SUPPLY 
    1. Turn ignition switch ON.
    2. Check voltage between power window motor (front driver side) connector D9 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 D9 Terminal 4 And Ground
    G04122797Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect power window motor (front driver side) and power window main switch.
    3. Check continuity between power window motor (front driver side) connector D9 terminal 4 and power window main switch connector D7 terminal 15.

    4 (G/R) - 15 (G/R) : Continuity should exist. 

    OK or NG 

    • OK: Replace power window main switch.
    • NG: Repair or replace harness.
    Fig 2: Identifying Continuity Between Power Window Motor Connector D9 And Terminal 4
    G04122798Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK ENCODER GROUND 
    1. Turn ignition switch OFF.
    2. Disconnect power window motor (front driver side) connector.
    3. Check continuity between power window motor (front driver side) connector D9 terminal 6 and round.

    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 D9 Terminal 6 And Round
    G04122799Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK ENCODER GROUND CIRCUIT 
    1. Disconnect power window main switch connector.
    2. Check continuity between power window motor (front driver side) connector D9 terminal 6 and power window main switch connector D7 terminal 2.

    6 (W/B) - 2 (W/B) : Continuity should exist. 

    OK or NG 

    • OK: Replace power window main switch.
    • NG: Repair or replace harness.
    Fig 4: Identifying Continuity Between Power Window Motor Connector D9 And Terminal 6
    G04122800Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK ENCODER SIGNAL 
    1. Connect power window motor (front driver side) connector.
    2. Turn ignition switch ON.
    3. Check the signal between power window main switch connector and ground with oscilloscope.
    SIGNAL REFERENCE VALUE

    Connector Terminals (Wire color) Condition of window Signal (Reference value)
    (+) (-)
    D7 13 (G/Y) Ground opening
    G04077331Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 5: Identifying Signal Between Power Window Main Switch Connector And Ground
    G04122802Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK: Replace power window main switch.
    • NG: GO TO 6.
  6. CHECK ENCODER CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect power window motor (front driver side) and power window main switch connector.
    3. Check continuity between power window motor (front driver side) connector D9 terminal 3 and power window main switch connector D7 terminal 13.

    3 (G/Y) - 13 (G/Y) : Continuity should exist. 

    OK or NG 

    • OK: Replace power window motor (front driver side)
    • NG: Repair or replace harness.
    Fig 6: Identifying Continuity Between Power Window Motor Connector D9 And Terminal 3
    G04122803Courtesy of NISSAN MOTOR CO., U.S.A.
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