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Key Warning Chime and Light Warning Chime Do Not Operate (Seat Belt Warning Chime Does Operate)

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

    With CONSULT-II 

    1. Select "BCM" on CONSULT-II.
    2. With "DATA MONITOR" of "BUZZER", confirm "DOOR SW-DR" changes with the status of front door LH.

      When front door LH is opened: DOOR SW-DR ON 

      When front door LH is closed: DOOR SW-DR OFF 

      Fig 1: CONSULT-II Diagnosis Function Display
      G02477873Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    Check voltage between BCM harness connector M20 terminal 62 (GR/R) and ground.

    When front door LH is opened: Approx. 0V 

    When front door LH is closed: Approx. 5V 

    OK or NG

    • OK: Replace the BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    • NG: GO TO 2.
      Fig 2: Checking Voltage Between Terminal 62 & Ground
      G02477874Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK FRONT DOOR SWITCH LH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect BCM connector M20 and front door switch LH connector B8.
    3. Check continuity between BCM harness connector M20 terminal 62 (GR/R) and front door switch LH harness connector B8 terminal 1 (GR/R).

      Continuity should exist. 

    4. Check continuity between BCM harness connector M20 terminal 62 (GR/R) and ground.

      Continuity should not exist. 

      Fig 3: Checking Continuity Between Terminal 62, 1 & Ground
      G02477875Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: GO TO 3.
    • NG: Repair harness or connector.
  3. CHECK FRONT DOOR SWITCH LH 

    Check continuity between front door switch LH terminal 1 and exposed metal of switch while pushing and releasing switch.

    When front door LH switch is released: Continuity should exist 

    When front door LH switch is pushed: Continuity should not exist. 

    OK or NG

    • OK: Replace the BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    • NG: Replace the front door switch LH.
      Fig 4: Checking Continuity Between Terminal 1 & Metal
      G02477876Courtesy of NISSAN MOTOR CO., U.S.A.