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DRIVER SIDE: Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

  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.
      Terminals Signal (Reference value)
      (+) (-)
      Main power window and door lock/unlock switch connector Terminal
      D7 9 Ground Refer to following signal
      13
      Fig 1: Checking Signal Between Main Power Window And Door Lock/Unlock Switch Connector D7 Terminals 9, 13 And Ground
      G05046757Courtesy of NISSAN NORTH AMERICA, INC.
      Fig 2: Oscilloscope Wave Pattern For Power Window And Door Lock/Unlock Switch Connector
      G04888492Courtesy of NISSAN NORTH AMERICA, INC.

      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.

    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
    G05046759Courtesy of NISSAN NORTH AMERICA, INC.

    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.
      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 D7 (A) Terminal 15 And Ground
      G05046760Courtesy of NISSAN NORTH AMERICA, INC.
    4. Check continuity between main power window and door lock/unlock switch connector D7 (A) terminal 15 and ground.
      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.
      Front power window motor LH connector Terminal Ground Continuity
      D9 6 Yes
      Fig 5: Checking Continuity Between Front Power Window Motor LH Connector D9 Terminal 6 And Ground
      G05046761Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: GO TO  6

      NO: GO TO 5

  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.
      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 D7 (A) Terminal 2 And Front Power Window Motor LH Connector D9 (B) Terminal 6
      G05046762Courtesy of NISSAN NORTH AMERICA, INC.

      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.
      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 D7 (A) Terminals 9, 13 And Front Power Window Motor LH Connector D9 (B) Terminals 3, 5
      G05046763Courtesy of NISSAN NORTH AMERICA, INC.
    3. Check continuity between main power window and door lock/unlock switch connector D7 (A) terminals 9, 13 and ground.
      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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