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Front Door Switch LH Circuit Inspection

WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUNCTION 

    With CONSULT-II 

    Touch "BCM" with "DOOR SW DR" on the DATA MONITOR, check ON/OFF operation when the front door is open and closed.

    Fig 1: Identifying Display - Data Monitor
    G03600615Courtesy of NISSAN MOTOR CO., U.S.A.
    DOOR SW DR DATA MONITOR

    Monitor item [OPERATION or UNIT] Contents
    DOOR SW DR(1) "ON/OFF" Door open (ON)/door closed (OFF) status judged from the front door switch is displayed.
    (1) Refer to "DATA MONITOR ".

    Without CONSULT-II 

    GO TO 2.

    OK or NG

    • OK : Front door switch LH circuit is OK.
    • NG : GO TO 2.
  2. CHECK FRONT DOOR SWITCH LH 
    1. Turn ignition switch OFF.
    2. Disconnect front door switch LH.
    3. Check continuity between front door switch LH terminal 2 and body ground part of front door switch (crew cab) or body ground (king cab).
      Fig 2: Checking Continuity Between Front Door Switch LH Terminal 2 And Body Ground Part Of Front Door Switch (Crew Cab) Or Body Ground (King Cab)
      G03600616Courtesy of NISSAN MOTOR CO., U.S.A.
      CONTINUITY BETWEEN FRONT DOOR SWITCH LH TERMINAL 2 AND BODY GROUND PART OF FRONT DOOR SWITCH (CREW CAB) OR BODY GROUND (KING CAB) REFERENCE

      Connector Terminals Condition Continuity
      B8 2 Ground With the front door switch LH pressed No
      With the front door switch LH released Yes

    OK or NG

    • OK : GO TO 3.
    • NG : Replace front door switch LH.
  3. CHECK HARNESS CONTINUITY 
    1. Disconnect BCM.
    2. Check continuity between BCM connector M19 terminal 47 and front door switch LH connector B8 terminal 2.

      47 (SB) - 2 (SB) : Continuity should exist  .

    3. Check continuity between BCM connector M19 terminal 47 and ground.

      47 (SB) - Ground : Continuity should not exist  .

    Fig 3: Checking Continuity Between BCM Connector M19 Terminal 47 And Front Door Switch LH Connector B8 Terminal 2 And Ground
    G03600617Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK : Front door switch LH circuit is OK.
    • NG : Repair or replace harness.
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