T100 SR5 Extra Cab Pickup 4WD V6-3.4L (5VZ-FE) (1998)
Seat Belt Buckle Switch: Testing and Inspection
INSPECT BUCKLE SWITCH CONTINUITY
a. Check that there is continuity between terminals on the switch side connector with the switch ON (belt unfastened).
b. Check that there is no continuity between terminals on the switch side connector with the switch OFF (belt fastened).
If operation is not as specified, replace the seat belt inner.