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Power Window Main Switch Power Supply Circuit Check

WARNING: This page is about a different car, the 2004 Nissan Murano. 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 power window main switch connector D6, D7 terminals 10, 19 and ground.

      10 (W/L) - Ground Battery voltage 

      19 (W/R) - Ground Battery voltage 

      Fig 1: Checking Voltage Between Power Window Main Switch Connector D6, D7 Terminals 10, 19 And Ground
      G03491631Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Power window main switch power supply and ground circuit is OK.
    2. NG: GO TO 2.
  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 D7 terminal 17 and ground.

      17 (B) - Ground Continuity should exist. 

      Fig 2: Checking Continuity Between Power Window Main Switch Connector D7 Terminal 17 And Ground
      G03491632Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 3.
    2. NG: Repair or replace harness.
  3. CHECK HARNESS CONTINUITY 
    1. Disconnect BCM connector.
    2. Check continuity between BCM connector M35 terminals 53, 54 and power window main switch connector D6, D7 terminal 10, 19

      53 (W/L) - 10 (W/L) Continuity should exist. 

      54 (W/R) - 19 (W/R) Continuity should exist. 

      Fig 3: Checking Continuity Between BCM Connector M35 Terminals 53, 54 And Power Window Main Switch Connector D6, D7 Terminal 10, 19
      G03491633Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 4.
    2. NG: Repair or replace harness between BCM and power window main switch.
  4. CHECK BCM OUTPUT SIGNAL 
    1. Connect BCM connector.
    2. Turn ignition switch ON.
    3. Check voltage between BCM connector M35 terminal 53, 54 and ground.

      53 (W/L) - Ground Battery voltage 

      54 (W/R) - Ground Battery voltage 

      Fig 4: Checking Voltage Between BCM Connector M35 Terminal 53, 54 And Ground
      G03491634Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Check the condition of the harness and the connector.
    2. NG: Replace BCM.
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