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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.
      Terminals Signal (Reference value)
      (+) (-)
      Power window main switch connector Terminal
      D8 9 Ground Refer to following signal
      13
      Fig 1: Oscilloscope Wave Pattern For Encoder Operation
      G04888492Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: GO TO  7.

      NO: GO TO 2.

  2. CHECK ENCORDER 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.
      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.
      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 ENCORDER 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.
      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.
      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.
      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.
      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.
      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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