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

ENGINE COOLANT TEMPERATURE SENSOR INSPECTION

1. DRAIN ENGINE COOLANT





2. REMOVE ENGINE COOLANT TEMPERATURE SENSOR
(a) Disconnect the ECT sensor connector.
(b) Using a 19 mm deep socket wrench, remove the ECT sensor and gasket.

Ohmmeter Connection:

Chart Graph:

3. INSPECT ENGINE COOLANT TEMPERATURE 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 ENGINE COOLANT TEMPERATURE SENSOR
(a) Using a 19 mm deep socket wrench, install the ECT sensor and gasket.

Torque: 20 N.m (200 kgf.cm, 14 ft.lbf)

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