Corolla LE Sedan L4-1.8L (1ZZ-FE) (1999)
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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
INSPECTION
1. DRAIN ENGINE COOLANT
2. REMOVE IGNITION COIL
3. REMOVE ECT SENSOR
4. INSPECT ECT SENSOR RESISTANCE
Using an ohmmeter, measure the resistance between terminals 1 (E2) and 2 (THW).
Resistance: Refer to the graph
If the resistance is not as specified, replace the ECT sensor.
5. REINSTALL ECT SENSOR
Install a new gasket to the ECT sensor.
6. FILL RADIATOR WITH ENGINE COOLANT
