Measure the resistance of the buckle switch.Standard resistance
RESISTANCE SPECIFICATIONS
| Tester Connection |
Condition |
Specified Condition |
| 4 - 5 |
Seat belt is unfastened |
Below 1 Ω |
| 4 - 5 |
Seat belt is fastened |
1 MΩ or higher |
If the result is not as specified, replace the belt assembly.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002