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PASSENGER SIDE : Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Infiniti G37. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ENCODER SIGNAL
    1. Turn ignition switch ON.
    2. Check signal between power window sub-switch harness connector and ground with oscilloscope.
    TERMINALS SIGNAL REFERENCE CHART

    (+) (-) Signal (Reference value)
    Power window sub-switch
    Connector Terminal
    D38 12 Ground Refer to the following signal
    15
    Fig 1: Encorder Signal Waveform
    G07161848

    Is the inspection result normal? 

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

    NO: GO TO 2.

  2. CHECK ENCODER SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect power window sub-switch connector and passenger side power window motor connector.
    3. Check continuity between power window sub-switch harness connector and passenger side power window motor harness connector.
      CONTINUITY REFERENCE CHART

      Power window sub-switch Passenger side power window motor Continuity
      Connector Terminal Connector Terminal
      D38 12 D40 2 Existed
      15 5
    4. Check continuity between power window sub-switch connector and ground.
    CONTINUITY REFERENCE CHART

    Power window sub-switch - Continuity
    Connector Terminal -
    D38 12 Ground Not existed
    15

    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 sub-switch connector.
    2. Turn ignition switch ON.
    3. Check voltage between passenger side power window motor harness connector and ground.
    VOLTAGE REFERENCE CHART

    (+) (-) Voltage (V) (Approx.)
    Passenger side power window motor
    Connector Terminal
    D40 4 Ground Battery voltage

    Is the measurement value within the specification? 

    YES: GO TO 5.

    NO: GO TO 4.

  4. CHECK ENCODER POWER SUPPLY CIRCUIT 2
    1. Turn ignition switch OFF.
    2. Disconnect power window sub-switch connector.
    3. Check continuity between power window sub-switch harness connector and passenger side power window motor harness connector.
      CONTINUITY REFERENCE CHART

      Power window sub-switch Passenger side power window motor Continuity
      Connector Terminal Connector Terminal
      D38 4 D40 4 Existed
    4. Check continuity between power window sub-switch harness connector and ground.
    CONTINUITY REFERENCE CHART

    Power window sub-switch - Continuity
    Connector Terminal -
    D38 4 Ground Not existed

    Is the inspection result normal? 

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

    NO: Repair or replace harness.

  5. CHECK GROUND CIRCUIT 1
    1. Turn ignition switch OFF.
    2. Disconnect power window sub-switch connector.
    3. Check continuity between power window sub-switch harness connector and passenger side power window motor harness connector.
    CONTINUITY REFERENCE CHART

    Power window sub-switch Passenger side power window motor Continuity
    Connector Terminal Connector Terminal
    D38 3 D40 1 Existed

    Is the inspection result normal? 

    YES: GO TO 6.

    NO: Repair or replace harness.

  6. CHECK GROUND CIRCUIT 2
    1. Connect power window sub-switch connector.
    2. Check continuity between power window sub-switch harness connector and ground.
    CONTINUITY REFERENCE CHART

    Power window sub-switch - Continuity
    Connector Terminal -
    D38 3 Ground Existed

    Is the inspection result normal? 

    YES: Replace passenger side power window motor. Refer to "REMOVAL AND INSTALLATION ".

    NO: Replace power window sub-switch. Refer to "REMOVAL AND INSTALLATION ".

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