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

1. DRAIN ENGINE COOLANT

2. REMOVE ECT SENSOR
a. Disconnect the engine wire protector from the 3 brackets.
b. Disconnect the ECT sensor connector.




c. Using a 19 mm deep socket wrench, remove the ECT sensor and gasket.





3. INSPECT ECT SENSOR
Using an ohmmeter, measure the resistance between the terminals.
Resistance: Refer to the chart graph
If the resistance is not as specified, replace the ECT sensor.

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

Torque: 20 Nm (200 kg.cm, 14 ft.lb)

c. Connect the ECT sensor connector.
d. Install the engine wire protector to the 3 brackets.

5. REFILL WITH ENGINE COOLANT