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 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK BCM INPUT SIGNAL
With CONSULT-II
- Select "BCM" on CONSULT-II.
- 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
Without CONSULT-II
Check voltage between BCM harness connector M19 terminal 47 (SB) 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.
- CHECK FRONT DOOR SWITCH LH CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM connector M19 and front door switch LH connector B8.
- Check continuity between BCM harness connector M19 terminal 47 (SB) and front door switch LH harness connector B8 terminal 2 (SB).
- Continuity should exist.
- Check continuity between BCM harness connector M19 terminal 47 (SB) and ground.
- Continuity should not exist.
OK or NG
- OK: GO TO 3.
- NG: Repair harness or connector.
- CHECK FRONT DOOR SWITCH LH
Check continuity between front door switch LH terminal 2 and exposed metal of switch while pressing and releasing switch.
- When front door switch LH is released: Continuity should exist.
- When front door switch LH is pressed: 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.