Symptom Related Diagnostic Procedures

THE SEAT BELT WARNING CONTINUES SOUNDING, OR DOES NOT SOUND

Description

- 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.


Diagnosis Procedure


1. CHECK WARNING CHIME OPERATION

1.Select BUZZER of BCM on CONSULT.
2.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" Service and Repair.

2. CHECK SEAT BELT WARNING LAMP

1.Turn ignition switch ON.
2.Check the operation of the seat belt warning lamp in the combination meter.

Seat belt fastened: OFF
Seat belt not fastened: ON

Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- GO TO 3

3. CHECK SEAT BELT BUCKLE SWITCH CIRCUIT

Perform inspection of the seat belt buckle switch LH (driver seat) circuit. Refer to "Diagnosis Procedure" Seat Belt Buckle Switch Signal Circuit.
Is the inspection result normal?
YES- GO TO 4
NO- Repair or replace harness.

4. CHECK SEAT BELT BUCKLE SWITCH UNIT

Perform a unit inspection for the seat belt buckle switch. Refer to "Component Inspection" Seat Belt Buckle Switch Signal Circuit.
Is the inspection result normal?
YES- Replace the combination meter. Refer to "Removal and Installation" Service and Repair.
NO- Replace the seat belt buckle switch LH (driver seat). Refer to "Removal and Installation" Service and Repair.