Seat Belt Warning System Does Not Function

DIAGNOSIS PROCEDURE

Step	Action	YES	NO
1	SEAT BELT WARNING LIGHT Turn ignition switch ON. Does the seat belt warning lamp come ON?	GO TO 2	Check 10A fuse [No. 14, 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: COMBINATION METER ]
2	SEAT BELT BUCKLE LH Fasten the seat belt buckle LH. Does the seat belt warning lamp go OFF?	GO TO 3	Check seat belt buckle switch LH. Check harness between combination meter and seat belt buckle switch LH.
3	OCCUPANT CLASSIFICATION SYSTEM Have a helper sit in the passenger seat. Does the seat belt warning lamp go ON?	GO TO 4	Check occupant classification system. Refer to [OCCUPANT CLASSIFICATION SYSTEM (OCS) DESCRIPTION ]. Check harness between occupant classification control unit and air bag diagnosis sensor unit.
4	SEAT BELT BUCKLE RH Fasten the seat belt buckle RH. Does the seat belt warning lamp go OFF?	System OK.	Check seat belt buckle switch RH. Check harness between seat belt buckle switch RH and air bag diagnosis sensor unit. Replace air bag diagnosis sensor unit. Refer to [DIAGNOSIS SENSOR UNIT: REMOVAL AND INSTALLATION ].