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Check power Window Main Switch Power Supply Circuit

  1. CHECK POWER SUPPLY CIRCUIT 
    1. Turn ignition switch ON.
    2. Check voltage between power window main switch connector and ground.
      VOLTAGE SPECIFICATION

      Terminal Voltage (V) (Approx.)
      (+) (-)
      Power window main switch connector Terminal
      D10 10 Ground Battery voltage
      D11 19
      Fig 1: Checking Voltage Between Power Window Main Switch Connector And Ground
      G05212575Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 2.

    NG: GO TO  3.

  2. CHECK GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect power window main switch connector.
    3. Check continuity between power window main switch connector and ground.
      CONTINUITY SPECIFICATION

      Power window main switch connector Terminal Ground Continuity
      D11 17 Yes

    OK or NG 

    OK: Power window main switch power supply and ground circuit are OK.

    NG: Repair or replace harness.

    Fig 2: Checking Continuity Between Power Window Main Switch Connector And Ground
    G05212576Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK HARNESS CONTINUITY 
    1. Disconnect BCM and power window main switch connector.
    2. Check continuity between BCM connector and power window main switch connector.
      CONTINUITY SPECIFICATION

      A B Continuity
      BCM connector Terminal Power window main switch connector Terminal
      M2 53 D10 10 Yes
      54 D11 19
    3. Check continuity between BCM connector and ground.
      CONTINUITY SPECIFICATION

      A Ground Continuity
      BCM connector Terminal
      M2 53 No
      54

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace harness.

    Fig 3: Checking Continuity Between BCM Connector And Power Window Main Switch Connector
    G05212577Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK BCM OUTPUT SIGNAL 
    1. Connect BCM connector.
    2. Turn ignition switch ON.
    3. Check voltage between BCM connector and ground.
      VOLTAGE SPECIFICATION

      Terminals Voltage (V) (Approx.)
      (+) (-)
      BCM connector Terminal
      M2 53 Ground Battery voltage
      54
      Fig 4: Checking Voltage Between BCM Connector And Ground
      G05212578Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Check condition of harness and connector.

    NG: Replace BCM.

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