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Limit Switch Circuit Check Front LH (With Rear Power Vent Windows)

WARNING: This page is about a different car, the 2008 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH LIMIT SIGNAL 
    1. Turn ignition switch ON.
    2. Check voltage between main power window and door lock/unlock switch connector D7 terminal 9 and ground.
      TERMINAL VOLTAGE CONDITION CHART

      Connector Terminals Condition Voltage (V) (Approx.)
      (+) (-)
      D7 9 Ground Front door window LH is between fully-open and just before fully-closed position (ON) 0
      Front door window LH is between just before fully closed position and fully closed position (OFF) 5
      Fig 1: Checking Voltage Between Door Lock/Unlock Switch Connector D7 Terminal 9 And Ground
      G04902749Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Limit switch circuit is OK.

    NG: GO TO 2.

  2. CHECK LIMIT SWITCH GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect front power window motor LH.
    3. Check continuity between front power window motor LH connector D9 terminal 6 and ground.

      6 - Ground : Continuity should exist. 

    OK or NG 

    OK: Replace front power window motor LH. Refer to "REMOVAL AND INSTALLATION ".

    NG: GO TO 3.

    Fig 2: Checking Continuity Between Front Power Window Motor LH Connector D9 Terminal 6 And Ground
    G04902751Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK HARNESS CONTINUITY 
    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.
      TERMINAL CONTINUITY REFERENCE CHART

      Connector Terminal Connector Terminal Continuity
      A B
      Main power window and door lock/unlock switch: D7 2 Front power window motor LH: D9 6 Yes
    3. Check continuity between front power window motor LH connector and ground.
      TERMINAL CONTINUITY REFERENCE CHART

      Connector Terminal Ground Continuity
      B
      Front power window motor LH: D9 6 No
      Fig 3: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector D7 Terminal 2 And Front Power Window Motor LH Connector D9 Terminal 6, And Between Connector D9 Terminal 6 And Ground
      G04907439Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace harness.

  4. CHECK HARNESS CONTINUITY 
    1. Check continuity between main power window and door lock/unlock switch connector and front power window motor LH connector.
      TERMINAL CONTINUITY REFERENCE CHART

      Connector Terminal Connector Terminal Continuity
      A B
      Main power window and door lock/unlock switch: D7 9 Front power window motor LH: D9 5 Yes
    2. Check continuity between front power window motor LH connector and ground.
      TERMINAL CONTINUITY REFERENCE CHART

      Connector Terminal Ground Continuity
      B
      Front power window motor LH: D9 5 No
      Fig 4: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector D7 Terminal 9 And Front Power Window Motor LH Connector D9 Terminal 5, And Between Connector D9 Terminal 5 And Ground
      G04907433Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 5.

    NG: Repair or replace harness.

  5. CHECK LIMIT SWITCH GROUND 

    Check continuity between main power window and door lock/unlock switch connector and ground.

    TERMINAL CONTINUITY REFERENCE CHART

    Connector Terminal Ground Continuity
    Main power window door lock/unlock switch: D7 2 Yes
    Fig 5: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector Terminal 2 And Ground
    G04912942Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO  7.

    NG: GO TO 6.

  6. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH GROUND CIRCUIT 

    Check continuity between main power window and door lock/unlock switch connector D8 terminal 17 and ground.

    17 - Ground : Continuity should exist. 

    OK or NG 

    OK: Replace main power window and door lock/unlock switch. Refer to "FRONT DOOR ".

    NG: Repair or replace harness.

    Fig 6: Checking Continuity Between Connector D8 Terminal 17 And Ground
    G04912927Courtesy of NISSAN MOTOR CO., U.S.A.
  7. CHECK FRONT POWER WINDOW MOTOR LH LIMIT SIGNAL 
    1. Connect main power window and door lock/unlock switch and front power window motor LH.
    2. Turn ignition switch ON.
    3. Check voltage between main power window and door lock/unlock switch connector.
      TERMINAL VOLTAGE CONDITION CHART

      Connector Terminals Condition Voltage (V) (Approx.)
      (+) (-)
      Main power window and door lock/unlock switch: D7 9 2 Front door window LH is between fully-open and just before fully-closed position (ON) 0
      Front door window LH is between just before fully closed position and fully closed position (OFF) 5
      Fig 7: Checking Voltage Between Main Power Window And Door Lock/Unlock Switch Connector Terminals 2 & 9
      G04912944Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Check the condition of the harness and connector.

    NG: Replace front power window motor LH. Refer to "REMOVAL AND INSTALLATION ".

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