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Door Switch Check (Without Automatic Back Door System)

WARNING: This page is about a different car, the 2007 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DOOR SWITCHES INPUT SIGNAL 

    With CONSULT-II

    Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", "BACK DOOR SW") in DATA MONITOR mode with CONSULT-II. Refer to "DATA MONITOR ".

    • When doors are open:

      DOOR SW-DR : ON 

      DOOR SW-AS : ON 

      DOOR SW-RR : ON 

      DOOR SW-RL : ON 

      BACK DOOR SW : ON 

    • When doors are closed:

      DOOR SW-DR : OFF 

      DOOR SW-AS : OFF 

      DOOR SW-RR : OFF 

      DOOR SW-RL : OFF 

      BACK DOOR SW : OFF 

      Fig 1: CONSULT-II Display - DATA MONITOR
      G04902454Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II

    Check voltage between BCM connector M18 or M19 terminals 12, 13, 43, 47, 48 and ground.

    TERMINALS VOLTAGE CHART

    Connector Item Terminals Condition Voltage (V) (Approx.)
    ( + ) ( - )
    M19 Back door switch 43 Ground Open
    darr;
    Closed
    0
    darr;
    Battery voltage
    Front door switch LH 47
    Sliding door switch LH 48
    M18 Front door switch RH 12
    Sliding door switch RH 13
    Fig 2: Checking Voltage Between BCM Connector M18 Or M19 Terminals And Ground
    G04902455Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Door switch circuit is OK.

    NG: GO TO 2.

  2. CHECK DOOR SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect door switch and BCM.
    3. Check continuity between door switch connector (B) B8 (Front LH), B108 (Front RH), B46 (Sliding LH), B135 (Sliding RH) or D512 (Back) terminal 1 and BCM connector (A) M18, M19 terminals 12, 13, 43, 47 and 48.

      1 - 12 : Continuity should exist. 

      1 - 13 : Continuity should exist. 

      1 - 43 : Continuity should exist. 

      1 - 47 : Continuity should exist. 

      1 - 48 : Continuity should exist. 

    4. Check continuity between door switch connector (B) B8 (Front LH), B108 (Front RH), B46 (Sliding LH), B135 (Sliding RH) or D512 (Back) terminal 1 and ground.

      1 - Ground : Continuity should not exist. 

      Fig 3: Checking Continuity Between Door Switch Connector Terminal 1 And BCM Connector Terminals, And Between Terminal 1 And Ground
      G04907016Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace harness.

  3. CHECK DOOR SWITCHES 

    FRONT AND REAR DOORS 

    Check continuity between front or rear door switch terminal 1 and exposed metal of switch while pressing and releasing switch.

    Door switch is released : Continuity should exist. 

    Door switch is pushed : Continuity should not exist. 

    Fig 4: Checking Continuity Between Door Switch Terminal 1 And Switch Body
    G04907788Courtesy of NISSAN MOTOR CO., U.S.A.

    BACK DOOR 

    Check continuity between back door switch terminals 1 and 3 while pressing and releasing switch.

    Door switch is released : Continuity should exist. 

    Door switch is pushed : Continuity should not exist. 

    OK or NG 

    OK: (Front and rear doors) Switch circuit is OK.

    OK: (Back door) GO TO 4.

    NG: Replace door switch.

    Fig 5: Checking Continuity Between Back Door Switch Terminals 1 And 3
    G04907018Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK BACK DOOR SWITCH GROUND 

    Check continuity between back door switch connector D512 terminal 3 and ground.

    3 - Ground : Continuity should exist. 

    OK or NG 

    OK: Back door switch circuit is OK.

    NG: Repair or replace harness.

    Fig 6: Checking Continuity Between Back Door Switch Connector D512 Terminal 3 And Ground
    G04907019Courtesy of NISSAN MOTOR CO., U.S.A.