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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 D105 and ground with oscilloscope.
      Fig 1: Encoder Signal 1 And 2 Voltage Waveform (Window Up And Down)
      G06934392Courtesy of NISSAN NORTH AMERICA, INC.
      Signal Name (+) (-) Signal
      (Reference Value)
      Power Window And Door Lock/Unlock Switch RH
      Connector Terminal
      Encoder signal 1 D105 9 Ground Refer to following signal
      Encoder signal 2 10

    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 D105 and power window and door lock/unlock switch motor RH connector D104.
    3. Check continuity between power window and door lock/unlock switch RH harness connector D105 and front power window motor RH harness connector D104.
      Power Window And Door Lock/Unlock Switch RH Front Power Window Motor RH Continuity
      Connector Terminal Connector Terminal
      D105 9 D104 5 Yes
      10 6
    4. Check continuity between power window and door lock/unlock switch RH harness connector D105 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 D105.
    2. Turn ignition switch ON.
    3. Check voltage between front power window motor RH connector D104 and ground.
      (+) (-) Voltage
      (Approx.)
      Front Power Window Motor RH
      Connector Terminal
      D104 2 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 D105.
    3. Check continuity between power window and door lock/unlock switch RH harness connector D105 and power window and door lock/unlock motor RH harness connector D104.
      Power Window And Door Lock/Unlock Switch RH Front Power Window Motor RH Continuity
      Connector Terminal Connector Terminal
      D105 5 D104 2 Yes
    4. Check continuity between power window and door lock/unlock switch RH harness connector D105 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 D104 and ground.
      Front Power Window Motor RH Ground Continuity
      Connector Terminal
      D104 4 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 D105.
    2. Check continuity between power window and door lock/unlock switch RH harness connector D105 and front power window motor RH harness connector D104.
      Power Window And Door Lock/Unlock Switch RH Front Power Window Motor RH Continuity
      Connector Terminal Connector Terminal
      D105 4 D104 4 Yes
    3. Check continuity between power window and door lock/unlock switch RH harness connector D105 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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