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Encoder Circuit Check

  1. CHECK ENCODER OPERATION
    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
      D5 9 Ground Refer to following signal
      13
      Fig 1: Checking Encoder Signal Using Oscilloscope
      G06934392Courtesy of NISSAN NORTH AMERICA, INC.

      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 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
      D5 9 D7 6 Existed
      13 5
    4. Check continuity between power window main switch harness connector and ground.
      Power window main switch Ground Continuity
      Connector Terminal
      D5 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 front power window motor (driver side) harness connector and ground.
      (+) (-) Voltage (V) (Approx.)
      Front power window motor (driver side)
      Connector Terminal
      D7 2 Ground Battery voltage

      Is the inspection result normal? 

      YES >> GO TO 4.

      NO >> GO TO  5.

  4. CHECK GROUND CIRCUIT
    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
      D7 4 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. 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
      D5 15 D7 2 Existed
    3. Check continuity between power window main switch harness connector and ground.
      Power window main switch Ground Continuity
      Connector Terminal
      D5 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 front power window motor (driver side) harness connector.
      Power window main switch Front power window motor (driver side) Continuity
      Connector Terminal Connector Terminal
      D5 2 D7 4 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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