Engine - Coolant Temperature Sensor/Switch: Testing and Inspection

COMPONENT INSPECTION
Engine Coolant Temperature Sensor





Check resistance as shown in the figure.






Temperature °C(°F) / Resistance K Ohms
20 (68) / 2.1 - 2.9
50 (122) / 0.68 - 1.00
90 (194) / 0.236 - 0.260

If NG, replace engine coolant temperature sensor.