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.




- If the resistance is not as specified. replace the sensor.

4. REINSTALL ECT SENSOR
- Install a new gasket to the ECT sensor.

5. FILL WITH ENGINE COOLANT