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Home >> Nissan-Datsun >> 2011 >> Sentra SE-R >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Service Information >> Sunroof >> Door Switch Check

Door Switch Check

  1. CHECK DOOR SWITCH INPUT SIGNAL

    With CONSULT-III 

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

    DOOR SWITCH INPUT SIGNAL REFERENCE CHART

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

    Without CONSULT-III 

    Check voltage between BCM connector M18, M19 terminals 12, 47 and ground.

    TERMINALS VOLTAGE REFERENCE CHART

    Item Terminal Condition Voltage (Approx.)
    (+) (-)
    Front door switch RH 12 Ground DOOR OPEN (Switch closed) 0
    DOOR CLOSED (Switch open) Battery voltage
    Front door switch LH 47 DOOR OPEN (Switch closed) 0
    DOOR CLOSED (Switch open) Battery voltage

    OK or NG 

    OK: Door switch circuit is OK.

    NG: GO TO 2.

    Fig 1: Checking Voltage Between BCM Connector M18, M19 Terminals 12, 47 And Ground
    G04902885Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK DOOR SWITCH CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect door switch and BCM.
    3. Check continuity between BCM connector M18, M19 terminals 12, 47 and door switch connectors B8, B108 terminal 2.

      Front door LH 

      47 - 2 : Continuity should exist. 

      Front door RH 

      12 - 2 : Continuity should exist. 

    4. Check continuity between BCM connector M18, M19 terminals 12, 47 and ground.

      12 - Ground : Continuity should not exist. 

      47 - Ground : Continuity should not exist. 

      OK or NG 

      OK: GO TO 3.

      NG: Repair or replace harness.

      Fig 2: Checking Continuity Between BCM Connector M18, M19 Terminals 12, 47 And Ground
      G04896065Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK DOOR SWITCH

    Check continuity between door switches terminal 2 and ground part of door switch.

    TERMINALS CONTINUITY REFERENCE CHART

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

    OK or NG 

    OK: GO TO 4.

    NG: Replace malfunctioning door switch.

    Fig 3: Checking Continuity Between Door Switches Terminal 2 And Ground
    G04902776Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK BCM OUTPUT SIGNAL
    1. Connect BCM.
    2. Check voltage between BCM connector M18, M19 terminals 12, 47 and ground.

      12 - Ground : Battery voltage 

      47 - Ground : Battery voltage 

      OK or NG 

      OK: Further inspection is necessary. Refer to "TROUBLE DIAGNOSIS CHART BY SYMPTOM ".

      NG: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".

      Fig 4: Checking Voltage Between BCM Connector M18, M19 Terminals 12, 47 And Ground
      G04902885Courtesy of NISSAN MOTOR CO., U.S.A.
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