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

1. DRAIN ENGINE COOLANT
2. REMOVE ECT SENSOR
- Disconnect the ECT sensor connector.
- Using a 19mm dia. 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 graph above

- If the resistance is not as specified, replace the ECT sensor.
4. REINSTALL ECT SENSOR
- Install a new gasket to the ECT sensor.
- Using a 19 mm dia. deep socket wrench, install the ECT sensor.

Torque: 25 N.m (250 kgf.cm, 18 ft.lb.)

- Connect the ECT sensor connector.
5. REFILL WITH ENGINE COOLANT