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Door Switch Check

  1. CHECK DOOR SWITCHES INPUT SIGNAL 

    With CONSULT-II

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

    Fig 1: CONSULT-II Display - Data Monitor
    G04170056Courtesy of NISSAN MOTOR CO., U.S.A.
    • When doors are open:

      DOOR SW-DR: ON 

      DOOR SW-AS: ON 

      DOOR SW-RL: ON 

      DOOR SW-RR: ON 

    • When doors are closed:

      DOOR SW-DR: OFF 

      DOOR SW-AS: OFF 

      DOOR SW-RL: OFF 

      DOOR SW-RR: OFF 

    Without CONSULT-II

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

    BCM CONNECTOR M18 OR M19 TERMINALS 12, 13, 47, 48 AND GROUND

    Connector Item Terminals Condition Voltage (V) (Approx.)
    ( + ) ( - )
    M18 Front door switch RH 12 Ground Open
    To
    Closed    		 0
    To
    Battery voltage
    Rear door switch RH 13
    M19 Front door switch LH 47
    Rear door switch LH 48
    Fig 2: Checking Voltage Between BCM Connector M18 Or M19 Terminals And Ground
    G04170057Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: System 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 B8 (Front LH) or B108 (Front RH) terminal 2, B18 (Rear LH) or B116 (Rear RH) terminal 1 and BCM connector M18, M19 terminals 12, 13, 47 and 48.

      2 - 47: Continuity should exist 

      2 - 12: Continuity should exist 

      1 - 48: Continuity should exist 

      1 - 13: Continuity should exist 

      Fig 3: Checking Continuity Between Door Switch Connector B8 Or B108 Terminal 2, B18 Terminal 1 And Ground
      G04170058Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Check continuity between door switch connector B8 (Front LH) or B108 (Front RH) terminal 2, B18 (Rear LH) or B116 (Rear RH) terminal 1 and ground.

      2 - Ground: Continuity should not exist 

      1 - Ground: Continuity should not exist LIIA1350E 

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace harness.

  3. CHECK DOOR SWITCHES 
    1. Disconnect door switch harness.
    2. Check continuity between door switch connector terminals.
      DOOR SWITCHES

        Terminals Condition Continuity
      Front door switch LH/RH 2 - Ground Open Yes
      Closed No
      Rear door switch LH/RH 1 - Ground Open Yes
      Closed No
      Fig 4: Checking Continuity Between Door Switch Connector Terminals
      G04170059Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Check door switch case ground condition.

    NG: Replace door switch.

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