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

Engine Coolant Temperature (ECT) Sensor:

REMOVAL

1. Partially drain engine cooling system.

2. Disconnect battery ground cable.

3. Disconnect engine control sensor wiring from engine coolant temperature sensor.

4. Remove engine coolant temperature sensor from intake manifold.

INSTALLATION

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

2. Reconnect engine control sensor wiring to engine coolant temperature 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.