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Check Door Switch

  1. CHECK DOOR SWITCH INPUT SIGNAL 

    With CONSULT-III 

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

    DOOR SWITCH INPUT SIGNAL (WITH CONSULT-III)

    Monitor item Condition
    DOOR SW-DR OPEN : ON
    CLOSE : OFF
    DOOR SW-AS OPEN : ON
    CLOSE : OFF

    Without CONSULT-III 

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

    Fig 1: Identifying Voltage Between BCM Connector And Ground
    G04877389Courtesy of NISSAN MOTOR CO., U.S.A.
    DOOR SWITCH INPUT SIGNAL (WITHOUT CONSULT-III)

    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

    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 2: Identifying Continuity Between BCM Connector M3, B14 Terminals 12, 62 And Ground
      G04877390Courtesy 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.

    Fig 3: Identifying Continuity Between Door Switches Terminal 1 And Ground Part Of Door Switch
    G04877057Courtesy of NISSAN MOTOR CO., U.S.A.
    DOOR SWITCH

    Terminal Door switch Continuity
    1 Ground part of door switch Pushed No
    Released Yes

    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 4: Identifying Voltage Between BCM Connector And Ground
      G04877389Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

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

    NG: Replace BCM.