Seat Belt Warning System Does Not Function

Ignition switch ON.

Does the seat belt warning lamp come ON?

YES

GO TO 2.

NO

• Check 10A fuse [No. 39, located in the fuse block (J/B)].
• Check front seat belt buckle switch LH.
• Check harness between combination meter and front seat belt buckle switch LH.
• Check combination meter. Refer to Fail-safe .

Fasten the front seat belt buckle switch LH.

Does the seat belt warning lamp go OFF?

YES

GO TO 3.

NO

• Check front seat belt buckle switch LH.
• Check harness between combination meter and front seat belt buckle switch LH.

Have a helper sit in the passenger seat.

Does the seat belt warning lamp go ON?

YES

GO TO 4.

NO

• Check occupant classification system. Refer to System Description .
• Check harness between occupant classification control unit and air bag diagnosis sensor unit.

Fasten the front seat belt buckle switch RH.

Does the seat belt warning lamp go OFF?

YES

System is OK.

NO

• Check front seat belt buckle switch RH.
• Check harness between front seat belt buckle switch RH and air bag diagnosis sensor unit.
• Replace air bag diagnosis sensor unit. Refer to Removal and Installation .