Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

ECT SENSOR 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