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Door Switch Check

  1. CHECK FRONT DOOR SWITCH INPUT SIGNAL

    With CONSULT-III 

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

    DATA MONITOR MODE REFERENCE

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

    Without CONSULT-III 

    Check voltage between BCM connector and ground.

    VOLTAGE SPECIFICATION

    Item Connector Terminals Condition Voltage (V) (Approx.)
    (+) (-)
    Front RH M18 12 Ground OPEN 0
    CLOSE Battery voltage
    Front LH M19 47 OPEN 0
    CLOSE Battery voltage
    Fig 1: Checking Voltage Between BCM Connector And Ground
    G04902774Courtesy 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.
    3. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and BCM connector M19 terminal 47 (LH) or connector M18 terminal 12 (RH).

      Front LH 

      2 - 47 : 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  .

      Fig 2: Checking Continuity Between Front Door Switch Connector B8 (LH) Or B108 (RH) Terminal 2 And Ground
      G04902775Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      OK: GO TO 3.

      NG: Repair or replace harness.

  3. CHECK DOOR SWITCH

    Check continuity between each front door switch terminal 2 and body ground part of front door switch.

    CONTINUITY SPECIFICATION

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

    OK or NG 

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

    NG: Replace malfunctioning front door switch.

    Fig 3: Checking Continuity Between Each Front Door Switch Terminal 2 And Body Ground Part Of Front Door Switch
    G04902776Courtesy of NISSAN MOTOR CO., U.S.A.
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