Celica Coupe L4-132 2164cc 2.2L DOHC (5S-FE) (1992)
Radiator Cooling Fan Temperature Sensor / Switch: Testing and Inspection
1. Using an ohmmeter, check that there is no continuity between the terminals when the coolant temperature is above 93°C (199°F).
2. Using an ohmmeter, check that there is continuity between the terminals when the coolant temperature is below 83°C (181°F).
If continuity is not as specified, replace the switch.