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DRIVER SIDE : Diagnosis Procedure

  1. CHECK ENCODER OPERATION
    1. Turn ignition switch ON.
    2. Check signal between power window main switch harness connector and ground with oscilloscope.
    POWER WINDOW MAIN SWITCH SIGNAL REFERENCE

    Terminals Signal (Reference value)
    (+) (-)
    Power window main switch connector Terminal
    D8 9 Ground Refer to following signal
    13
    Fig 1: Power Window Main Switch Encoder Signal Waveform
    G04888492Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: GO To  7.

    NO: GO To 2.

  2. CHECK ENCODER SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect power window main switch connector and driver side power window motor connector.
    3. Check continuity between power window main switch harness connector and driver side power window motor harness connector.
      CONTINUITY SPECIFICATION

      Power window main switch connector Terminal Driver side power window motor connector Terminal Continuity
      D8 9 D10 5 Existed
      13 2
    4. Check continuity between power window main switch harness connector and ground.
    CONTINUITY SPECIFICATION

    Power window main switch connector Terminal Ground Continuity
    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. Connect power window main switch connector.
    2. Turn ignition switch ON.
    3. Check voltage between driver side power window motor harness connector and ground.
    VOLTAGE SPECIFICATION

    Terminal Voltage (V) (Approx.)
    (+) (-)
    Driver side power window motor connector Terminal
    D10 4 Ground 12

    Is the measurement value within the specification? 

    YES: GO To 4.

    NO: GO To  5.

  4. CHECK GROUND CIRCUIT
    1. Turn ignition switch OFF.
    2. Check continuity between driver side power window motor harness connector and ground.
    CONTINUITY SPECIFICATION

    Driver side power window motor connector Terminal Ground Continuity
    D10 1 Existed

    Is the inspection result normal? 

    YES: GO To  7.

    NO: GO To  6.

  5. CHECK HARNESS CONTINUITY 1
    1. Turn ignition switch OFF.
    2. Disconnect power window main switch connector.
    3. Check continuity between power window main switch harness connector and driver side power window motor harness connector.
      CONTINUITY SPECIFICATION

      Power window main switch connector Terminal Driver side power window motor connector Terminal Continuity
      D8 15 D10 4 Existed
    4. Check continuity between power window main switch harness connector and ground.
    CONTINUITY SPECIFICATION

    Power window main switch connector Terminal Ground Continuity
    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 HARNESS CONTINUITY 2
    1. Disconnect power window main switch connector.
    2. Check continuity between power window main switch harness connector and driver side power window motor harness connector.
    CONTINUITY SPECIFICATION

    Power window main switch connector Terminal Driver side power window motor connector Terminal Continuity
    D8 2 D10 1 Existed

    Is the inspection result normal? 

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

    NO: Repair or replace harness.

  7. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    INSPECTION END.

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