Engine - Coolant Temperature Sensor/Switch: Testing and Inspection

Connector:

ECT Sensor:

Spec Chart:

REMOVAL
The engine coolant temperature sensor is located in the intake manifold.

1. Disconnect the engine coolant temperature sensor connector.
2. Remove the engine coolant temperature sensor.

INSPECTION
1. Place the engine coolant temperature sensor in water with a thermometer and heat the water gradually.
2. Measure resistance of the sensor with an ohmmeter.
3. If not as specified, replace the engine coolant temperature sensor.

INSTALLATION
1. Install a new washer and the engine coolant temperature sensor.

Tighten
Sensor to 18 - 22 ft lb. (25 - 29 Nm)

2. Connect the engine coolant temperature sensor connector.
3. Start the engine and check for coolant leakage.