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 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK BCM INPUT SIGNAL
With CONSULT-III
1. Select "BCM" on CONSULT-III.
2. With "DATA MONITOR" of "BUZZER", confirm "DOOR SW-DR" changes with the status of front door LH.
  When front door LH is: DOOR SW-DR ON opened
  
  When front door LH is: DOOR SW-DR OFF closed
Without CONSULT-III
1. Turn ignition switch OFF.
2. Disconnect BCM connector M19.
3. Check continuity between BCM harness connector M19 terminal 47 and ground.
  When front door LH is: Continuity should exist, opened
  
  When front door LH is: Continuity should not exist, closed
Fig 1: Checking Continuity Between BCM Harness Connector M19 Terminal 47 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace the BCM. Refer to "BCM ".

NG: GO TO 2.
CHECK FRONT DOOR SWITCH LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and front door switch LH connector.
3. Check continuity between BCM harness connector M19 terminal 47 and front door switch LH harness connector B8 terminal 2.
  Continuity should exist.
4. Check continuity between BCM harness connector M19 terminal 47 and ground.
  Continuity should not exist.
Fig 2: Checking Continuity Between BCM Harness Connector M19 Terminal 47 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 3.

NG: Repair harness or connector.
CHECK FRONT DOOR SWITCH LH AND GROUND CIRCUIT
Check continuity between front door switch LH terminal 2 and ground while switching the door switch from ON (open) to OFF (closed).

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

When front door switch: Continuity should exist. LH is released

Fig 3: Checking Front Door Switch LH And Ground Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace the BCM. Refer to "BCM ".

NG: Replace the front door switch LH.