HVAC Auxiliary Fan Control Modules
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What is an HVAC Auxiliary Fan Control Module?
An HVAC Auxiliary Fan Control Module is an electronic device that controls the speed of the auxiliary fan for the HVAC system in a vehicle.
What is the purpose of an HVAC Auxiliary Fan Control Module?
The purpose of an HVAC Auxiliary Fan Control Module is to regulate the speed of the auxiliary fan so that the HVAC system can maintain a desired temperature.
How can I tell if my HVAC Auxiliary Fan Control Module is faulty?
If your HVAC Auxiliary Fan Control Module is faulty, you may notice that the fan speed is not adjusting properly, or the fan may not be running at all. You may also notice a strange smell coming from the HVAC system.
Can a faulty HVAC Auxiliary Fan Control Module cause damage?
Yes, in extreme cases a faulty HVAC Auxiliary Fan Control Module can cause damage to other components of the HVAC system, including the fan itself.
How do I go about replacing an HVAC Auxiliary Fan Control Module?
Replacing an HVAC Auxiliary Fan Control Module is a relatively simple process and can usually be done by following these steps:
- Disconnect the negative battery cable.
- Disconnect the wiring harness from the HVAC Auxiliary Fan Control Module.
- Remove any mounting screws and carefully remove the HVAC Auxiliary Fan Control Module.
- Install the new HVAC Auxiliary Fan Control Module in the same location as the old one.
- Reconnect the wiring harness and the negative battery cable.