Coolant Temperature Sensor/Switch (For Computer): Service and Repair

1. DRAIN ENGINE COOLANT.





2. REMOVE ECT SENSOR.
- Disconnect the ECT sensor connector.
- Using SST 09205-76030, remove the ECT sensor and gasket.





3. INSPECT ECT SENSOR.
- Using an ohmmeter, measure the resistance between the terminals.





Resistance: Refer to the image above.

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





4. REINSTALL ECT SENSOR.
- Install a new gasket to the ECT sensor.
- Using SST, install the ECT sensor.
- Connect the ECT sensor connector.
5. REFILL WITH ENGINE COOLANT.