Let's not confuse the air conditioning , heating and ventilation of your Toyota Yaris 2. Heating and air conditioning are mechanisms that give the possibility of lowering or amplifying the temperature. The first thanks to the heat emitted by the engine block, and the other with a liquid refrigerant . Ventilation is all of the ducts and systems that give the opportunity for air to enter the passenger compartment. The main element will be the kicker which emits air inside your cabin. In the event that the air barely or not at all reaches, it is certainly a malfunction of ventilation. We will see thanks to this post how ventilation works, so as to better identify concerns and understand how to remedy them.
How a ventilation works on a Toyota Yaris 2
The ventilation is used first to circulate the air in the interior of your Toyota Yaris 2. As for the blower, the latter is usually composed of a resistor, a turbine, and a motor. The lower the total resistance of the circuit, the faster the turbine operates. By turning the switch in the vehicle, the resistance is lowered.
Toyota Yaris 2: usual ventilation problems
Dirty air ducts
If ventilation never works but very little air reaches the interior of your Toyota Yaris 2, it is conceivable that your air shutters are obstructed. Thanks to a screwdriver flat, you can remove the covers from the air vents. Just look inside if they are cluttered. When this is happening you can scour them, but also the shutters.
Dirty cabin filter
If you ever feel fumes and the ventilation is weak, the malfunction probably comes from the cabin filter of your Toyota Yaris 2. It becomes clogged and accumulates bacteria as time goes by. It is quite common that it is dirty, it is used to purify the air that reaches you. There is no manufacturer's instruction as to when to change it. We simply advise you to remove it, check its condition. If it is really dirty, it must be replaced.
Resistance of the blower HS
If ever the ventilation buttons on your Toyota Yaris 2 do not work well, or even not at all, it is likely related to the resistance. The resistance increases the voltage to amplify the speed of the turbine. A strange malfunction of ventilation is probably linked to a resistance malfunction. This little microchip is difficult to repair. It will have to be replaced.
HS blower motor
There are several fairly regular concerns about the kicker. The brushes may be damaged. As time goes by, these can deteriorate and generate electrical faults. Your kicker may spin randomly, and even not work at all. It also happens that the dysfunction comes from bearings of the fan motor. If the ventilation makes a high-pitched noise, such as rusty mechanics, the bearings may require lubrication. We invite you to comment on this post if your dysfunction is different to help users. Good walk!