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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 and ground with oscilloscope.
      TERMINALS SIGNAL REFERENCE CHART

      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 And Ground With Oscilloscope
      G05046757Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Encoder Signal Graph - With Oscilloscope
      G04888492Courtesy 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 FRONT POWER WINDOW MOTOR LH POWER SUPPLY
    1. Turn ignition switch ON.
    2. Check voltage between front power window motor LH connector and ground.
      TERMINALS VOLTAGE REFERENCE CHART

      Terminal Voltage (V) (Approx.)
      (+) (-)
      Front power window motor LH connector Terminal
      D9 3 Ground 10
      Fig 3: Checking Voltage Between Front Power Window Motor LH Connector And Ground
      G04912950Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the measurement value within the specification? 

      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 and front power window motor LH.
    3. Check continuity between main power window and door lock/unlock switch connector (A) and front power window motor LH connector (B).
      TERMINALS CONTINUITY 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) 3 Yes
      Fig 4: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Front Power Window Motor LH Connector
      G05713607Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between main power window and door lock/unlock switch connector (A) and ground.
      TERMINALS CONTINUITY 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.

  4. CHECK GROUND CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect front power window motor LH.
    3. Check continuity between front power window motor LH connector and ground.
      TERMINALS CONTINUITY REFERENCE CHART

      Front power window motor LH connector Terminal Ground Continuity
      D9 4 Yes
      Fig 5: Checking Continuity Between Front Power Window Motor LH Connector And Ground
      G04912939Courtesy of NISSAN MOTOR CO., U.S.A.

      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.
    2. Check continuity between main power window and door lock/unlock switch connector and front power window motor LH connector.
      TERMINALS CONTINUITY REFERENCE CHART

      Main power window and door lock/unlock switch connector Terminal Front power window motor LH connector Terminal Continuity
      D7 2 D9 4 Yes
      Fig 6: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Front Power Window Motor LH Connector
      G04912953Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: Check main power window and door lock/unlock switch. Refer to "POWER WINDOW MAIN SWITCH : COMPONENT FUNCTION CHECK ".

      NO: Repair or replace harness.

  6. CHECK HARNESS CONTINUITY 3
    1. Disconnect main power window and door lock/unlock switch.
    2. Check continuity between main power window and door lock/unlock switch connector (A) and front power window motor LH connector (B).
      TERMINALS CONTINUITY 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 6
      Fig 7: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Front Power Window Motor LH Connector
      G05713610Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between main power window and door lock/unlock switch connector (A) and ground.
      TERMINALS CONTINUITY 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 "FRONT DOOR GLASS REGULATOR ".

      NO: Repair or replace harness.

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