Corolla LE Sedan L4-1.8L (1ZZ-FE) (1999)
3. REMOVE ECT SWITCH
4. INSPECT ECT SWITCH
a. Using an ohmmeter, check that there is no continuity, between the terminals when the coolant temperature is above 93°C (199°F).
b. 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.
5. REINSTALL ECT SWITCH
Torque: 34 Nm (350 kgf-cm, 25 ft. lbs.)
6. REINSTALL GENERATOR AND DRIVE BELT
7. REFILL WITH ENGINE COOLANT
8. START ENGINE AND CHECK FOR COOLANT LEAKS