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

Engine Coolant Temperature (ECT) Sensor

Removal

CAUTION: Engine coolant will damage the paint finished surfaces. If spilt, immediately remove the coolant and clean the area with water.

CAUTION: Anti-freeze concentration must be maintained at 50%.
1 Remove the cover and disconnect the battery ground cable.
2 Remove the engine cover. For additional information, refer to Engine Cover Service and Repair

3 Disconnect the ECT sensor electrical connector.




4
WARNING: Since injury such as scalding could be caused by escaping steam or coolant, allow the vehicle cooling system to cool prior to carrying out this procedure.
Remove the ECT sensor.
- Position an absorbent cloth to collect fluid spillage.
- Remove the retaining clip.
- Remove and discard the O-ring seal.

Installation
1 Install the ECT sensor.
- Install the O-ring seal.
- Install the retaining clip.
- Connect the electrical connector.
2 Install the engine cover. For additional information, refer to Engine Cover Service and Repair
3 Top-up the coolant.
4 Connect the battery ground cable and install the cover.