MR2 Spyder L4-1.8L (1ZZ-FE) (2001)
Seat Belt Reminder Lamp: Component Tests and General Diagnostics
Driver's side:
INSPECT SEAT BELT WARNING LIGHT
a. Disconnect the connector from buckle switch and ground terminal on the wire harness side connector.
b. Turn the ignition switch ON and check that the warning light lights up.
If the warning light does not light up, test the LED or inspect wire harness.