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

If the resistance is not as specified, replace the sensor.
4. REINSTALL ECT SENSOR
(a) Using a 19 mm deep socket wrench, install a new gasket and sensor.

Torque: 24.5 N.m (250 kgf.cm, 17.5 ft.lbf)

(b) Connect the sensor connector.
5. REFILL WITH ENGINE COOLANT