Operation CHARM: Car repair manuals for everyone.

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

Component Locations:





1. With the ignition "OFF", remove the electrical connector at the coolant temperature sensor.
2. With a suitable volt/ohm meter, measure the resistance between the two terminals of the coolant temperature sensor.





^ Refer to the temperature sensor graph for the correct measurement.

If the correct measurement is not obtained replace the coolant temperature sensor.