Ac Blower Fan Not Working Car

A faulty blower fan can make the car ac stopped working suddenly.

Ac blower fan not working car.

Why isn t my air conditioner working. Blower still does not work. If the relay board isn t working properly the fan might not run. Turn the air conditioning on while the car is running.

Relay boards are often misdiagnosed. The blower motor relay controls the current used to power the blower motor and is subject to the constant on and off switching. When the car ac is not blowing air from vents it is a sign of a faulty blower fan or air duct blockage. Carac not blowing air from vents because of the following.

If your air is blowing cool but not cold the problem could be a clogged filter cooling fan problem radiator trouble or it could simply be that you need to recharge your ac. Start with the fan speed turned to its highest setting. The blower motor resistor or blower module gets hot as it powers the fan so often times they can burn out causing certain speeds of the fan in your car to stop working the fan can be stuck on one speed only work on high speed or not work on any settings. Rotated all the pdc relays around they have the same id other than abs pump.

Start the engine and turn the air conditioner on. Without it the ac system will not be able to circulate any heated or cooled air. The best setting for diagnosis is fresh air not recirculated with the air blowing out of the center vents in the dash and the ac turned on. If air is not blowing from the vents it is not the problem of the refrigerant recycling system a c and can be attributed to the blower motor or a vent control actuator.

The air conditioner won t run properly unless your engine is running. Checked for battery at the blower when the car is running. There is no battery to operate the blower. Checked continuity of 40 amp blower fuse.

Here is how to tell which. The relay board provides voltage to many components of the air conditioner including the fan motor. Blower still does not work. The most common causes of broken air conditioning are leaks or compressor issues.

Rotated all the unmarked relays around in the junction box. Next move the fan setting from the highest to the lowest.