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Encoder Circuit Check

  1. CHECK ENCODER OPERATION 
    1. Turn ignition switch ON.
    2. Check signal between main power window and door lock/unlock switch harness connector and ground with oscilloscope.
      (+) (-) Signal (Reference value)
      Main power window and door lock/unlock switch
      Connector Terminal
      D6 4 Ground Refer to following signal
      5
      Fig 1: Encoder Signal (1 And 2) Voltage Output Waveform
      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 main power window and door lock/unlock switch connector and front power window motor LH connector.
    3. Check continuity between main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.
      Main power window and door lock/unlock switch Front power window motor LH Continuity
      Connector Terminal Connector Terminal
      D6 4 D10 4 Yes
      5 5
    4. Check continuity between main power window and door lock/unlock switch harness connector and ground.
      Main power window and door lock/unlock switch Ground Continuity
      Connector Terminal
      D6 4 No
      5

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair or replace harness.

  3. CHECK ENCORDER POWER SUPPLY CIRCUIT 
    1. Connect main power window and door lock/unlock switch connector.
    2. Turn ignition switch ON.
    3. Check voltage between front power window motor LH harness connector and ground.
      (+) (-) Voltage (Approx.)
      Front power window motor LH
      Connector Terminal
      D10 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 LH harness connector and ground.
      Front power window motor LH Ground Continuity
      Connector Terminal
      D10 6 Yes

      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 main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.
      Main power window and door lock/unlock switch Front power window motor LH Continuity
      Connector Terminal Connector Terminal
      D6 12 D10 6 Yes
    3. Check continuity between main power window and door lock/unlock switch harness connector and ground.
      Main power window and door lock/unlock switch Ground Continuity
      Connector Terminal
      D6 12 No

      Is the inspection result normal? 

      YES: Replace main power window and door lock/unlock switch. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

  6. CHECK HARNESS CONTINUITY 2 
    1. Disconnect main power window and door lock/unlock switch connector.
    2. Check continuity between main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.
      Main power window and door lock/unlock switch Front power window motor LH Continuity
      Connector Terminal Connector Terminal
      D6 14 D10 2 Yes

      Is the inspection result normal? 

      YES: Replace main power window and door lock/unlock 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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