Diagnosis Procedure
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
- Seat belt warning does not sound even though driver seat belt is not fastened.
- Seat belt warning sounds even though driver seat belt is fastened.
- CHECK WARNING CHIME OPERATION
- Select "BUZZER" of "BCM" on CONSULT.
- Perform "SEAT BELT WARN TEST" of "ACTIVE TEST".
Is the inspection result normal?
YES
GO TO 2.
NO
Replace combination meter. Refer to Removal and Installation .
- CHECK SEAT BELT WARNING LAMP
- Turn ignition switch ON.
- Check the operation of the seat belt warning lamp in the combination meter.
Driver seat belt fastened
: OFF
Driver seat belt not fastened
: ON
Is the inspection result normal?
YES
Replace BCM. Refer to Removal and Installation .
NO
GO TO 3.
- CHECK SEAT BELT BUCKLE SWITCH CIRCUIT
Perform inspection of the seat belt buckle switch LH circuit. Refer to Diagnosis Procedure .
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace harness or connectors.
- CHECK SEAT BELT BUCKLE SWITCH
Perform a unit inspection for the seat belt buckle switch LH. Refer to Component Inspection .
Is the inspection result normal?
YES
Replace the combination meter. Refer to Removal and Installation .
NO
Replace the seat belt buckle switch LH. Refer to Removal and Installation .