Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Nissan-Datsun >> 2011 >> Maxima SV >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System >> LH & RH Front Window Anti-Pinch >> DTC/Circuit Diagnosis >> Encoder >> Driver Side >> DRIVER SIDE : Diagnosis Procedure

DRIVER SIDE : Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM - WITH FRONT LEFT AND RIGHT 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 Terminals 9, 13 And Ground
      G06991991Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Encoder Signal Chart
      G06991992Courtesy 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 And Ground
    G06991993Courtesy 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
      G06991994Courtesy 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
      Fig 5: Checking Continuity Between Front Power Window Motor LH Connector D9 Terminal 6 And Ground
      G06991995Courtesy 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 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
      G06991996Courtesy 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
      G06991997Courtesy 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.

scientia non olet · About Mike's Workshop Manuals