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Check Door Switch

  1. CHECK DOOR SWITCH INPUT SIGNAL 

    With CONSULT-II 

    Check ("DOOR SW-DR" and "DOOR SW-AS") in "DATA MONITOR" mode with CONSULT-II.

    DATA MONITOR CONDITION CHART

    Monitor item Condition
    DOOR SW-DR OPEN : ON
    CLOSE : OFF
    DOOR SW-AS OPEN : ON
    CLOSE : OFF
    Fig 1: CONSULT II Display - Data Monitor
    G04077386Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    Check voltage between BCM connector M3, B14 terminals 12, 62 and ground.

    TERMINALS VOLTAGE CHART

    Item Terminals (Wire color) Door condition Voltage [V] (Approx.)
    (+) (-)
    Passenger side door switch 12 (P/B) Ground OPEN 0
    CLOSE Battery voltage
    Driver side door switch 62 (W) OPEN 0
    CLOSE Battery voltage
    Fig 2: Identifying Voltage Between BCM Connector M3, B14 Terminals 12, 62 And Ground
    G04077387Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Door switch is OK.

    NG : GO TO 2.

  2. CHECK HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect door switch and BCM connector.
    3. Check continuity between BCM connector M3, B14 terminals 12, 62 and door switch connector B26, B36 terminal 1.

      Driver side door 

      62 (W) - 1 (W) : Continuity should exist. 

      Passenger side door 

      12 (P/B) - 1 (SB) : Continuity should exist. 

    4. Check continuity between BCM connector M3, B14 terminals 12, 62 and ground.

      12 (P/B) - Ground : Continuity should not exist. 

      62 (W) - Ground : Continuity should not exist. 

      Fig 3: Identifying Continuity Between BCM Connector M3, B14 Terminals 12, 62 And Ground
      G04077388Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO 3.

    NG : Repair or replace harness.

  3. CHECK DOOR SWITCH 

    Check continuity between door switches terminal 1 and ground part of door switch.

    TERMINALS CONTINUITY CHART

    Terminal Door switch Continuity
    1 Ground part of door switch Pushed No
    Released Yes
    Fig 4: Identifying Continuity Between Door Switches Terminal 1 And Ground Part Of Door Switch
    G04077389Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO 4.

    NG : Replace malfunction door switch.

  4. CHECK BCM OUTPUT SIGNAL 
    1. Connect BCM connector.
    2. Check voltage between BCM connector M3, B14 terminals 12, 62 and ground.

      12 (P/B) - Ground : Battery voltage 

      62 (W) - Ground : Battery voltage 

      Fig 5: Identifying Voltage Between BCM Connector M3, B14 Terminals 12, 62 And Ground
      G04077390Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Further inspection is necessary, Refer to TROUBLE DIAGNOSES SYMPTOM CHART  .

    NG : Replace BCM.

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