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Door Switch Check

  1. CHECK FRONT DOOR SWITCH INPUT SIGNAL 

    With CONSULT II 

    Check front door switches ("DOOR SW-DR" and "DOOR SW-AS") in "DATA MONITOR" mode with CONSULT-II.

    MONITOR ITEM CONDITION

    Monitor item Condition
    DOOR SW-DR OPEN: ON
    CLOSE: OFF
    DOOR SW-AS OPEN: ON
    CLOSE: OFF
    Fig 1: Consult-II Display - Data Monitor
    G04162583Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT II 

    Check voltage between BCM connector and ground.

    TERMINAL SPECIFICATION CHART

    Item Connector Terminals Condition Voltage (V) (Approx.)
    (+) (-)
    Front RH M18 12 Ground OPEN 0
    CLOSE Battery voltage
    Front LH M20 62 OPEN 0
    CLOSE Battery voltage
    Fig 2: Identifying Voltage Between BCM Connector And Ground
    G04162584Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK:  Front door switch is OK.

    NG:  GO TO 2.

  2. CHECK FRONT DOOR SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect front door switch LH or RH and BCM connector.
    3. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and BCM connector M18 terminal 12 and connector M20 terminal 62.

      Front LH 

      2 - 62: Continuity should exist  .

      Front RH 

      2 - 12: Continuity should exist  .

    4. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and ground.

      2 - Ground: Continuity should not exist  .

    OK or NG 

    OK:  GO TO 3.

    NG:  Repair or replace harness.

    Fig 3: Identifying Continuity Between Front Door Switch Connector B8 (LH) Or B108 (RH) Terminal 2 And Ground
    G04162585Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK DOOR SWITCH 
    1. Disconnect front door switch LH or RH.
    2. Check continuity between each front door switch terminal 2 and body ground part of front door switch.
    TERMINAL CONTINUITY REFERENCE CHART

    Terminal Door switch Continuity
    2 Body ground part of front door switch Pushed No
    Released Yes

    OK or NG 

    OK:  Further inspection is necessary. Refer to Trouble Diagnoses Symptom Chart .

    NG:  Replace malfunctioning front door switch.

    Fig 4: Identifying Continuity Between Each Front Door Switch Terminal 2 And Body Ground Part Of Front Door Switch
    G04162586Courtesy of NISSAN MOTOR CO., U.S.A.
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