Celica GT Liftback L4-2164cc 2.2L DOHC (5S-FE) MFI (1999)
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
1. DRAIN ENGINE COOLANT
2. REMOVE ECT SENSOR
3. INSPECT ECT SENSOR
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
5. REFILL WITH ENGINE COOLANT