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DRIVER SIDE : Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM - WITH FRONT AND REAR POWER WINDOW ANTI-PINCH SYSTEM ".

  1. CHECK ENCODER OPERATION
    1. Turn ignition switch ON.
    2. Check signal between main power window and door lock/unlock switch connector D7 terminals 9, 13 and ground with oscilloscope.
      SIGNAL REFERENCE CHART

      Terminals Signal (Reference value)
      (+) (-)
      Main power window and door lock/unlock switch connector Terminal
      D7 9 Ground Refer to following signal Fig 2
      13
      Fig 1: Checking Signal Between Main Power Window And Door Lock/Unlock Switch Connector D7 And Ground
      G06992135Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Encoder Signal Chart
      G06992136Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES >> Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

      NO >> GO TO 2

  2. CHECK ENCODER POWER SUPPLY

    Check voltage between front power window motor LH connector D9 terminal 4 and ground.

    VOLTAGE REFERENCE CHART

    Terminal Voltage (V) (Approx.)
    (+) (-)
    Front power window motor LH connector Terminal
    D9 4 Ground 10
    Fig 3: Checking Voltage Between Front Power Window Motor LH Connector D9 Terminal 4 And Ground
    G06992137Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES >> GO TO  4

    NO >> GO TO 3

  3. CHECK HARNESS CONTINUITY 1
    1. Turn ignition switch OFF.
    2. Disconnect main power window and door lock/unlock switch connector D7 and front power window motor LH connector.
    3. Check continuity between main power window and door lock/unlock switch connector D7 (A) terminal 15 and front power window motor LH connector D9 (B) terminal 4.
      CONNECTOR TERMINAL REFERENCE CHART

      Main power window and door lock/unlock switch connector Terminal Front power window motor LH connector Terminal Continuity
      D7 (A) 15 D9 (B) 4 Yes
      Fig 4: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Front Power Window Motor LH Connector
      G06992138Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between main power window and door lock/unlock switch connector D7 (A) terminal 15 and ground.
      CONNECTOR TERMINAL REFERENCE CHART

      Main power window and door lock/unlock switch connector Terminal Ground Continuity
      D7 (A) 15 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 or connectors.

  4. CHECK ENCODER GROUND CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect front power window motor LH connector.
    3. Check continuity between front power window motor LH connector D9 terminal 6 and ground.
      CONNECTOR TERMINAL REFERENCE CHART

      Front power window motor LH connector Terminal Ground Continuity
      D9 6 Yes

      Is the inspection result normal? 

      YES >> GO TO  6

      NO >> GO TO 5

      Fig 5: Checking Continuity Between Front Power Window Motor LH Connector D9 Terminal 6 And Ground
      G06992139Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK HARNESS CONTINUITY 2
    1. Disconnect main power window and door lock/unlock switch connector D7.
    2. Check continuity between main power window and door lock/unlock switch connector D7 (A) terminal 2 and front power window motor LH connector D9 (B) terminal 6.
      CONNECTOR TERMINAL REFERENCE CHART

      Main power window and door lock/unlock switch connector Terminal Front power window motor LH connector Terminal Continuity
      D7 (A) 2 D9 (B) 6 Yes
      Fig 6: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Front Power Window Motor LH Connector
      G06992140Courtesy of NISSAN MOTOR CO., U.S.A.

      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 or connectors.

  6. CHECK HARNESS CONTINUITY 3
    1. Disconnect main power window and door lock/unlock switch connector D7.
    2. Check continuity between main power window and door lock/unlock switch connector D7 (A) terminals 9, 13 and front power window motor LH connector D9 (B) terminals 3, 5.
      CONNECTOR TERMINAL REFERENCE CHART

      Main power window and door lock/unlock switch connector Terminal Front power window motor LH connector Terminal Continuity
      D7 (A) 9 D9 (B) 5 Yes
      13 3
      Fig 7: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Front Power Window Motor LH Connector
      G06992141Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between main power window and door lock/unlock switch connector D7 (A) terminals 9, 13 and ground.
      CONNECTOR TERMINAL REFERENCE CHART

      Main power window and door lock/unlock switch connector Terminal Ground Continuity
      D7 (A) 9 No
      13

      Is the inspection result normal? 

      YES >> Replace front power window motor LH. Refer to "REMOVAL AND INSTALLATION ".

      NO >> Repair or replace harness or connectors.

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