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

Engine Coolant Temperature Sensor:

REMOVAL

NOTE: The Engine Coolant Temperature (ECT) sensor is located at the rear of the RH cylinder head (6049) in No. 1 water outlet connection (8592) directly below the throttle body.

1. Partially drain engine cooling system.

2. Disconnect battery ground cable.

3. Disconnect engine control sensor wiring from ECT sensor.

4. Remove ECT sensor from intake manifold.

INSTALLATION

1. Install ECT sensor, tighten to 16-24 Nm (12-17 ft lb).

2. Reconnect engine control sensor wiring to ECT sensor.

3. Refill cooling system.

4. Reconnect battery ground cable.

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.