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

1. DRAIN ENGINE COOLANT.
2. DISCONNECT UPPER RADIATOR HOSE FROM WATER OUTLET.





3. REMOVE NO.2 TIMING BELT COVER.
- Disconnect the PS air hose from the clamp.
- Disconnect the 3 cord clamps of the high-tension cords from the belt cover.
- Remove the 6 bolts, timing belt cover and gasket.
- Disconnect the camshaft position sensor connector.
4. REMOVE FUEL PIPE.





5. REMOVE ECT SENSOR.
- Disconnect the ECT sensor connector.
- Using a 19 mm deep socket wrench, remove the ECT sensor and gasket.








6. 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.
7. REINSTALL ECT SENSOR.
- Install a new gasket to the ECT sensor.
- Using a 19 mm deep socket, install the ECT sensor.

Torque: 20 Nm (14 ft lb)

- Connect the ECT sensor connector.
8. REINSTALL FUEL PIPE.
- Install the fuel pipe with 4 new gaskets and the 2 union bolts.

Torque: 34.3 Nm (25 ft lb)

9. REINSTALL NO.2 TIMING BELT COVER.

Torque: 9 Nm (80 in lb)

10. RECONNECT UPPER RADIATOR HOSE TO WATER OUTLET.
11. REFILL WITH ENGINE COOLANT.