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

ENGINE COOLANT TEMPERATURE SENSOR CHECK




1. Remove the engine coolant temperature sensor from the intake manifold.

Standard Value:

2. With temperature sensing portion of coolant temperature sensor immersed in hot water check resistance.
3. If the resistance is outside the standard value greatly replace the sensor.




4. Apply specified sealant to the threaded portion.

Specified sealant: 3M(TM) AAD Part No. 8731 or equivalent

5. Install the engine coolant temperature sensor and tighten it to the specified torque.

Sensor tightening torque: 30 Nm (22 ft.lbs)