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

REMOVAL

NOTE: The Engine Coolant Temperature (ECT) sensor is located in a tee in the heater water hose.

1. Disconnect negative battery cable.

2. Partially drain cooling system.

3. Disconnect ECT sensor electrical connector.

4. Remove ECT sensor from tee in heater water hose.

INSTALLATION

1. To install, reverse removal procedures.

2. Tighten the ECT sensor to 8-13 Nm (6-8 ft lb).

3. Refill cooling system.

NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the powertrain control module relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more to relearn the adaptive strategy.