Seat Belt Warning System Does Not Function

Turn 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 seat belt buckle switch (LH).
• Check harness between combination meter and seat belt buckle switch (LH).
• Check combination meter. Refer to Fail-safe .

Fasten the seat belt buckle (LH).

Does the seat belt warning lamp go OFF?

YES

GO TO 3.

NO

• Check seat belt buckle switch (LH).
• Check harness between combination meter and 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 seat belt buckle (RH).

Does the seat belt warning lamp go OFF?

YES

System OK.

NO

• Check seat belt buckle switch (RH).
• Check harness between seat belt buckle switch (RH) and air bag diagnosis sensor unit.
• Check harness between seat belt buckle switch (RH) and occupant classification system control unit.
• Replace air bag diagnosis sensor unit. Refer to Removal and Installation .