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POWER WINDOW MAIN SWITCH: Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK POWER SUPPLY CIRCUIT
    1. Turn ignition switch ON.
    2. Check voltage between main power window and door lock/unlock switch connectors D7 (A) terminal 10 and D8 (B) terminal 19 and ground.
    VOLTAGE SPECIFICATION

    Terminal Voltage (V) (Approx.)
    (+) (-)
    Main power window and door lock/unlock switch connector Terminal
    D7 (A) 10 Ground Battery voltage
    D8 (B) 19
    Fig 1: Checking Voltage Between Main Power Window And Door Lock/Unlock Switch Connectors (A And B) And Ground
    G05910988Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: GO TO  3

    NO: GO TO 2

  2. CHECK HARNESS CONTINUITY
    1. Turn ignition switch OFF.
    2. Disconnect BCM connector M16 and main power window and door lock/unlock switch connectors.
    3. Check continuity between BCM connector M16 (A) terminals 2 and 3 and main power window and door lock/unlock switch connectors D7 (B) terminal 10 and D8 (C) terminal 19.
      CONTINUITY SPECIFICATION

      BCM connector Terminal Main power window and door lock/unlock switch connector Terminal Continuity
      M16 (A) 3 D7 (B) 10 Yes
      2 D8 (C) 19
      Fig 2: Checking Continuity Between BCM Connector And Main Power Window And Door Lock/Unlock Switch Connectors
      G05910989Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between BCM connector M16 (A) terminals 2 and 3 and ground.
    CONTINUITY SPECIFICATION

    BCM connector Terminal Ground Continuity
    M16 (A) 3 No
    2

    Is the inspection result normal? 

    YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

    NO: Repair or replace harness or connectors.

  3. CHECK GROUND CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect main power window and door lock/unlock switch connector D8.
    3. Check continuity between main power window and door lock/unlock switch connector D8 terminal 17 and ground.
    CONTINUITY SPECIFICATION

    Main power window and door lock/unlock switch connector Terminal Ground Continuity
    D8 17 Yes
    Fig 3: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Ground
    G05910990Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: Inspection End.

    NO: Repair or replace harness or connectors.



  1. CHECK POWER SUPPLY CIRCUIT
    1. Turn ignition switch ON.
    2. Check voltage between main power window and door lock/unlock switch connectors D7 (A) terminal 10 and D8 (B) terminal 19 and ground.
    VOLTAGE SPECIFICATION

    Terminal Voltage (V) (Approx.)
    (+) (-)
    Main power window and door lock/unlock switch connector Terminal
    D7 (A) 10 Ground Battery voltage
    D8 (B) 19
    Fig 1: Checking Voltage Between Main Power Window And Door Lock/Unlock Switch Connectors (A And B) And Ground
    G05046728Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: GO TO  3

    NO: GO TO 2

  2. CHECK HARNESS CONTINUITY
    1. Turn ignition switch OFF.
    2. Disconnect BCM connector M16 and main power window and door lock/unlock switch connectors.
    3. Check continuity between BCM connector M16 (A) terminals 2 and 3 and main power window and door lock/unlock switch connectors D7 (B) terminal 10 and D8 (C) terminal 19.
      CONTINUITY SPECIFICATION

      BCM connector Terminal Main power window and door lock/unlock switch connector Terminal Continuity
      M16 (A) 3 D7 (B) 10 Yes
      2 D8 (C) 19
      Fig 2: Checking Continuity Between BCM Connector And Main Power Window And Door Lock/Unlock Switch Connectors
      G05046729Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between BCM connector M16 (A) terminals 2 and 3 and ground.
    CONTINUITY SPECIFICATION

    BCM connector Terminal Ground Continuity
    M16 (A) 3 No
    2

    Is the inspection result normal? 

    YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

    NO: Repair or replace harness or connectors.

  3. CHECK GROUND CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect main power window and door lock/unlock switch connector D8.
    3. Check continuity between main power window and door lock/unlock switch connector D8 terminal 17 and ground.
    CONTINUITY SPECIFICATION

    Main power window and door lock/unlock switch connector Terminal Ground Continuity
    D8 17 Yes
    Fig 3: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Ground
    G05046730Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: Inspection End.

    NO: Repair or replace harness or connectors.

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