How To Test Engine Cooling Fan Module

Test the new unit by switching on the car to see how it.

How to test engine cooling fan module.

The cooling fan relay is the relay that controls the engine s cooling fans. And play a key role in keeping the car at safe temperatures during idle and low speeds. How to test ford and lincoln 3 wire electric cooling fans. This can also happen when the cooling fan module is weak and therefore the fans work at a slower pace and are not able to regulate the heat.

When the correct parameters are met a temperature switch or. Most cooling fans use electric motors that have a moderate to high current draw and as a result are commonly controlled using relays. The headlamp module must be removed to access the relay. Most likely failure and most difficult if the radiator fan control module has failed you will need to replace it with a new one there is no way to repair it.

Failure of the cooling fan module to regulate the temperature inside the hood of your car can lead to the engine overheating. The fan is temperature controlled to make sure that the engine gets enough cool air to avoid overheating. Start doing some testing to see if you can fix it yourself. Learn how to quickly verify the circuit and control system with this case study on a 2009 lincoln.

On modern vehicles a bad sensor usually triggers the check engine light. But if you stop for example in a traffic jam your engine has to use an electric cooling fan to force air through the radiator. Check the relay for the fans. To replace the module the radiator fan relay is located below the left front headlamp module.

Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. When you re driving air flows through the car radiator to keep your engine a normal temperature.