Coolant Temperature Sensor / Switch HVAC: Testing and Inspection
ENGINE COOLANT TEMPERATURE SENSOR CHECK
1. Dip the engine coolant temperature sensor in hot water and, using a stove, etc., raise the engine coolant temperature.
2. Check that the engine coolant temperature sensor is conductive when the engine coolant temperature reaches the specified temperature.
Standard value: 26.5 ± 4°C (79.7 ± 7.2°F)