Corolla Sedan 4-Door L4-1587cc 1.6L DOHC MFI (1997)
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
ECT SENSOR INSPECTION
1. DRAIN ENGINE COOLANT
2. REMOVE ECT SENSOR
3. INSPECT ECT SENSOR RESISTANCE
Using an ohmmeter, measure the resistance between the terminals.
Resistance: Refer to the graph
If the resistance is not as specified, replace the ECT sensor.
4. REINSTALL ECT SENSOR
Install a new gasket to the ECT sensor.
5. FILL RADIATOR WITH ENGINE COOLANT
