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Diagnosis Procedure

  1. CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
    1. Turn ignition switch ON.
    2. Check voltage between main power window and door lock/unlock switch connector and ground.
      VOLTAGE SPECIFICATION

      Terminals Key position Voltage (V) (Approx.)
      (+) (-)
      Main power window and door lock/unlock switch connector Terminal
      D7 4 Ground Lock 0
      Neutral/Unlock 5
      6 Unlock 0
      Neutral/Lock 5
      Fig 1: Checking Voltage Between Main Power Window And Door Lock/Unlock Switch Connector And Ground
      G05046828Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the measurement value within the specification? 

      YES: Replace main power window and door lock/unlock switch.

      NO: GO TO 2

  2. CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect main power window and door lock/unlock switch and front door lock assembly LH (key cylinder switch).
    3. Check continuity between main power window and door lock/unlock switch connector (A) and front door lock assembly LH (key cylinder switch) connector (B).
      CONTINUITY SPECIFICATION

      Main power window and door lock/unlock switch connector Terminal Front door lock assembly LH (key cylinder switch) connector Terminal Continuity
      D7 (A) 4 D14 (B) 3 Yes
      6 5
    4. Check continuity between main power window and door lock/unlock switch connector (A) and ground.
      CONTINUITY SPECIFICATION

      Main power window and door lock/unlock switch connector Terminal Ground Continuity
      D7 (A) 4 No
      6
      Fig 2: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector (A) And Ground
      G05713623Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: GO TO 3

    NO: Repair or replace harness.

  3. CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT

    Check continuity between front door lock assembly LH (key cylinder switch) connector and ground.

    CONTINUITY SPECIFICATION

    Front door lock assembly LH (key cylinder switch) connector Terminal Ground Continuity
    D14 4 Yes
    Fig 3: Checking Continuity Between Front Door Lock Assembly LH (Key Cylinder Switch) Connector And Ground
    G04912972Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: GO TO 4

    NO: Repair or replace harness.

  4. CHECK DOOR KEY CYLINDER SWITCH

    Check door key cylinder switch.

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

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

    NO: Replace front door lock assembly LH (door key cylinder switch).

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