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Home >> Nissan-Datsun >> 2016 >> Maxima S >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System >> DTC/Circuit Diagnosis >> Encoder >> Passenger Side >> Diagnosis Procedure
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Diagnosis Procedure

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK ENCODER SIGNAL

    1. Turn ignition switch ON.
    2. Check signal between power window and door lock/unlock switch RH harness connector and ground with oscilloscope.
      Signal name (+) (-) Signal
      (Reference value)
      Power window and door lock/unlock switch RH
      Connector Terminal
      Encoder signal 1 D105 9 Ground Refer to following signals
      Encoder signal 2 10
      Fig 1: Checking Signal Between Power Window Main Switch Harness Connector And Ground Using Oscilloscope
      G06934392Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    Replace power window and door lock/unlock switch RH. Refer to REMOVAL AND INSTALLATION .

    NO 

    GO TO STEP 2  .

  2. CHECK ENCODER SIGNAL CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect power window and door lock/unlock switch RH connector and front power window motor RH connector.
    3. Check continuity between power window and door lock/unlock switch RH harness connector and front power window motor RH harness connector.
      Power window and door lock/unlock switch RH Front power window motor RH Continuity
      Connector Terminal Connector Terminal
      D105 9 D104 3 Yes
      10 5
    4. Check continuity between power window and door lock/unlock switch RH harness connector and ground.
      Power window and door lock/unlock switch RH Ground Continuity
      Connector Terminal
      D105 9 No
      10

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace harness.

  3. CHECK ENCODER POWER SUPPLY

    1. Connect power window and door lock/unlock switch RH connector.
    2. Turn ignition switch ON.
    3. Check voltage between power window and door lock/unlock switch RH harness connector and ground.
      (+) (-) Voltage
      (Approx.)
      Power window and door lock/unlock switch RH
      Connector Terminal
      D104 4 Ground Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    GO TO STEP 4  .

  4. CHECK ENCODER POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect power window and door lock/unlock switch RH connector.
    3. Check continuity between power window and door lock/unlock switch RH harness connector and power window and door lock/unlock motor RH harness connector.
      Power window and door lock/unlock switch RH Front power window motor RH Continuity
      Connector Terminal Connector Terminal
      D105 5 D104 4 Yes
    4. Check continuity between power window and door lock/unlock switch RH harness connector and ground.
      Power window and door lock/unlock switch RH Ground Continuity
      Connector Terminal
      D105 5 No

    Is the inspection result normal?

    YES 

    Replace power window and door lock/unlock switch RH. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness.

  5. CHECK GROUND CIRCUIT 1

    1. Turn ignition switch OFF.
    2. Check continuity between front power window motor RH harness connector and ground.
      Front power window motor RH Ground Continuity
      Connector Terminal
      D104 6 Yes

    Is the inspection result normal?

    YES 

    Replace front power window motor RH. Refer to REMOVAL AND INSTALLATION .

    NO 

    GO TO STEP 6  .

  6. CHECK GROUND CIRCUIT 2

    1. Disconnect power window and door lock/unlock switch RH connector.
    2. Check continuity between power window and door lock/unlock switch RH harness connector and front power window motor RH harness connector.
      Power window and door lock/unlock switch RH Front power window motor RH Continuity
      Connector Terminal Connector Terminal
      D105 4 D104 6 Yes
    3. Check continuity between power window and door lock/unlock switch RH harness connector and ground.
      Power window and door lock/unlock switch RH Ground Continuity
      Connector Terminal
      D105 4 No

    Is the inspection result normal?

    YES 

    Replace power window and door lock/unlock switch RH. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace harness.

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