Seat Belt Warning System: Inspection

Diver side: INSPECT FRONT SEAT INNER BELT ASSY

Measure the resistance between the terminals of the buckle switch.

Standard:

TESTER CONDITION AND RESISTANCE SPECIFICATIONS

Tester Condition	Condition	Specified Condition
5 - 6	Fasten seat belt	Below 1 Ω
5 - 6	Release seat belt	1 MΩ or higher

If the result is not as specified, replace the inner belt assy.

Fig 1: Identifying Front Seat Inner Belt Assembly Buckle Switch Connector Terminals (Driver)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Passenger side: INSPECT FRONT SEAT INNER BELT ASSY

Measure the resistance between the terminals of the buckle switch.

Standard:

TESTER CONDITION AND RESISTANCE SPECIFICATIONS

Tester Condition	Condition	Specified Condition
2 - 5	Fasten seat belt	320 - 340 Ω
2 - 5	Release seat belt	1,300 - 1,360 Ω

If the result is not as specified, replace the inner belt assy.

Fig 2: Identifying Front Seat Inner Belt Assembly Buckle Switch Connector Terminals (Passenger)

Passenger side only: INSPECT OCCUPANT DETECTION SENSOR

Measure the resistance between the terminals.

Standard:

TESTER CONDITION AND RESISTANCE SPECIFICATIONS

Tester Condition	Condition	Specified Condition
1 - 2	Apply more than 147 N (15 kg, 33 lb) to occupant detection sensor	Below 1 Ω
1 - 2	Free	1 MΩ or higher

If the result is not as specified, replace the seat cushion pad.

Fig 3: Inspecting Occupant Detection Sensor (Passenger Side Only)