The engine coolant sensor or a separate engine temperature switch is used to monitor engine temperature.
How to test cooling fan motor relay.
Testing the radiator cooling fan relay the cooling fan should be operating.
The cooling fan relay is the relay that controls the engine s cooling fans.
How to test your cooling fan relay on 96 00 honda civic how to test your fuses.
The relay will usually be activated once it is detected that the vehicle s temperature approaches excessively high temperatures.
So a engine cooling fan failure.
Checking the operation of a fan relay on your vehicle is an easy procedure.
Or a failure of the fan relay or control circuit is bad news.
When the correct parameters are met a temperature switch or the computer will activate the relay which will allow power to the fans.
Because it can allow the engine to overheat.
If no power is observed at either 87 or 30 the fusible link or maxi fuse has shorted.
Verify the new cooling fan relay is properly seated.
Just keep in mind that many modern cars use electronic relays.
Install new cooling fan relay.
The engine cooling fan only runs when needed to help cool the engine.
Visually look at the base of the cooling fan relay to be sure the base of the relay is seated completely into the socket.
Position the relay above the recess where the original was removed from and gently press it into place.