Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

INSPECTION

1. DRAIN ENGINE COOLANT
2. REMOVE ECT SENSOR




a. Disconnect the sensor connector.
b. Using a 19 mm deep socket wrench, remove the sensor and gasket.

3. INSPECT ECT SENSOR




Using an ohmmeter, measure the resistance between the terminals.

Resistance: Refer to the graph

If the resistance is not as specified, replace the sensor.

4. REINSTALL ECT SENSOR

a. Install a new gasket to the sensor.
b. Using a 19 mm deep socket wrench, install the sensor.

Torque: 20 N.m (200 kgf.cm, 15 ft.lbf)

c. Connect the sensor connector.

5. REFILL WITH ENGINE COOLANT