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DRIVER SIDE: Diagnosis Procedure

  1. CHECK ENCODER SIGNAL
    1. Turn ignition switch ON.
    2. Check signal between power window main switch harness connector and ground with oscilloscope.
      (+) (-) Signal (Reference value)
      Power window main switch
      Connector Terminal
      D8 9 Ground Refer to following signal:
      13
      Fig 1: Encoder Signal Graphs (Driver/Passenger Side Window Up And Down)
      G05982168Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".

      NO: GO TO 2.

  2. CHECK ENCODER SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect power window main switch connector and front power window motor (driver side) connector.
    3. Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.
      Power window main switch Front power window motor (driver side) Continuity
      Connector Terminal Connector Terminal
      D8 9 D10 3 Existed
      13 5
    4. Check continuity between power window main switch harness connector and ground.
      Power window main switch Ground Continuity
      Connector Terminal
      D8 9 Not existed
      13

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair or replace harness.

  3. CHECK ENCODER POWER SUPPLY CIRCUIT 1
    1. Connect power window main switch connector.
    2. Turn ignition switch ON.
    3. Check voltage between front power window motor (driver side) harness connector and ground.
      (+) (-) Voltage (V) (Approx.)
      Front power window motor (driver side)
      Connector Terminal
      D10 4 Ground Battery voltage

      Is the inspection result normal? 

      YES: GO TO 4.

      NO: GO TO  5.

  4. CHECK GROUND CIRCUIT 2
    1. Turn ignition switch OFF.
    2. Check continuity between front power window motor (driver side) harness connector and ground.
      Front power window motor (driver side) Ground Continuity
      Connector Terminal
      D10 6 Existed

      Is the inspection result normal? 

      YES: Replace front power window motor (driver side). Refer to "REMOVAL AND INSTALLATION ".

      NO: GO TO  6.

  5. CHECK ENCODER POWER SUPPLY CIRCUIT 2
    1. Turn ignition switch OFF.
    2. Disconnect power window main switch connector.
    3. Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.
      Power window main switch Front power window motor (driver side) Continuity
      Connector Terminal Connector Terminal
      D8 15 D10 4 Existed
    4. Check continuity between power window main switch harness connector and ground.
      Power window main switch Ground Continuity
      Connector Terminal
      D8 15 Not existed

      Is the inspection result normal? 

      YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

  6. CHECK GROUND CIRCUIT 2
    1. Disconnect power window main switch connector.
    2. Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.
      Power window main switch Front power window motor (driver side) Continuity
      Connector Terminal Connector Terminal
      D8 2 D10 6 Existed

      Is the inspection result normal? 

      YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

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