Ac Blower Fan Not Working Car

The relay board provides voltage to many components of the air conditioner including the fan motor.

Ac blower fan not working car.

There is no battery to operate the blower. Without it the ac system will not be able to circulate any heated or cooled air. Carac not blowing air from vents because of the following. Start with the fan speed turned to its highest setting.

Start the engine and turn the air conditioner on. The most common causes of broken air conditioning are leaks or compressor issues. 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. The blower motor relay controls the current used to power the blower motor and is subject to the constant on and off switching.

Checked for battery at the blower when the car is running. Rotated all the unmarked relays around in the junction box. Blower still does not work. Relay boards are often misdiagnosed.

Turn the air conditioning on while the car is running. When the car ac is not blowing air from vents it is a sign of a faulty blower fan or air duct blockage. Checked continuity of 40 amp blower fuse. 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.

Blower still does not work. The blower motor is the component responsible for pushing air through the vents of your vehicle s heating and air conditioning systems. 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. Rotated all the pdc relays around they have the same id other than abs pump.

A faulty blower fan can make the car ac stopped working suddenly. Having your car s air conditioning go out suddenly can ruin your day fast. If the relay board isn t working properly the fan might not run. Before replacing the board make sure you check more commonly defective parts particularly the fan motor capacitor and the fan motor itself.

Next move the fan setting from the highest to the lowest. The air conditioner won t run properly unless your engine is running.