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Home >> Infiniti >> 2006 >> FX35 RWD >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sunroof >> Check Door Switch

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.

    MONITOR ITEM REFERENCE

    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 (WIRE COLOR) CONDITION REFERENCE

    Item Terminals (Wire color) 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
    G04077486Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Door switch is OK.

    NG : GO TO 2.

  2. CHECK DOOR SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect door switch and BCM connector.
    3. Check continuity between BCM connector M3, B14 terminal 12, 62 and door switch connector B26, B36 terminal 1.
      Fig 3: Identifying Continuity Between BCM Connector M3, B14 Terminal 12, 62 And Door Switch Connector B26, B36 Terminal 1
      G04077487Courtesy of NISSAN MOTOR CO., U.S.A.

      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. 

    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

    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
    G04077488Courtesy 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 terminal 12, 62 and ground.
      Fig 5: Identifying Voltage Between BCM Connector M3, B14 Terminal 12, 62 And Ground
      G04077489Courtesy of NISSAN MOTOR CO., U.S.A.

      12 (P/B) - Ground : Battery voltage 

      62 (W) - Ground : Battery voltage 

    OK or NG 

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

    NG : Replace BCM.