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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 REFERENCE

    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 and ground.

    VOLTAGE SPECIFICATION

    Terminals Door condition Voltage (V) (Approx.)
    (+) (-)
    BCM connector Terminal
    M1 12 Ground Passenger side OPEN 0
    CLOSE Battery voltage
    M3 62 Driver side OPEN 0
    CLOSE Battery voltage
    Fig 1: Checking Voltage Between BCM Connector And Ground
    G05212613Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Door switch circuit is OK.

    NG: GO TO 2.

  2. CHECK HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect BCM and door switch connector.
    3. Check continuity between BCM connector and door switch connector.
      CONTINUITY SPECIFICATION

      A B Continuity
      BCM connector Terminal Door switch connector Terminal
      M1 12 B35 2 Yes
      M3 62 B11
    4. Check continuity between BCM connector ground.
      CONTINUITY SPECIFICATION

      A Ground Continuity
      BCM connector Terminal
      M1 12 No
      M3 62

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace harness.

    Fig 2: Checking Continuity Between BCM Connector Ground
    G05212614Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK DOOR SWITCH 

    Check door switches.

    DOOR SWITCH SPECIFICATION

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

    OK or NG 

    OK: GO TO 4.

    NG: Replace malfunction door switch.

    Fig 3: Checking Door Switches
    G05212615Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK BCM OUTPUT SIGNAL 
    1. Connect BCM connector.
    2. Check voltage between BCM connector ground.
      VOLTAGE SPECIFICATION

      Terminal Voltage (V) (Approx.)
      (+) (-)
      BCM connector Terminal
      M1 12 Ground Battery voltage
      M3 62

    OK or NG 

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

    NG: Replace BCM.

    Fig 4: Checking Voltage Between BCM Connector And Ground
    G05212613Courtesy of NISSAN MOTOR CO., U.S.A.
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