Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
ENGINE COOLANT TEMPERATURE (ECT) SENSORINSPECTION
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 terminals.
Resistance: Refer to the graph
If the resistance is not as specified, replace the sensor.
4. REINSTALL ECT SENSOR
a. Install a new gasket to the sensor.
b. Using a 19 mm deep socket wrench, install the sensor.
Torque: 20 N.m (200 kg.cm, 15 ft.lb)
c. Connect the sensor connector.
5. REFILL WITH ENGINE COOLANT