Component Function Check
- CHECK SEAT BELT WARNING LAMP FUNCTION
- Turn ignition switch ON.
- Sits in the passenger seat.
- Fasten the seat belt (passenger side).
- Check seat belt warning lamp function.
Condition
Seat belt warning lamp
Seat belt (driver side) is fastened
Not illuminated
Seat belt (driver side) is unfastened
Illuminated
Is the inspection results normal?
YES
GO TO 2.
NO
Check seat belt warning lamp circuit. Refer to Diagnosis Procedure .
- CHECK PRE-CRASH SEAT BELT CONTROL UNIT (DRIVER SIDE) FUNCTION
With CONSULT
When checking "BUCKLE SW LH" on DATA MONITOR screen, check that ON/OFF display changes synchronized with the insertion operation to the seat belt buckle.
Monitor item
Condition
BUCKLE SW LH
When driver side seat belt is not fastened: OFF
When driver side seat belt is fastened: ON
Is the inspection result normal?
YES
Seat belt buckle switch (driver side) circuit is normal.
NO
Check seat belt buckle switch (driver side). Refer to Diagnosis Procedure .