As the partner said the cold and customer systems work differently, now as the first measure the Tine vehicle an electro -ventilator that is that it is responsible for sending the air, whether hot or cold, the first thing is to check the fuses inside the vehicle this must be marked with: heater Ò aircon Always easy to disassemble (two or three screws and the connector and leaves), it is also easy to test it, (post and the battery in the electrvent motor terminals), if this旋转,然后问题可以是控制电动vent的SUICHE,在最坏的情况下控制上述发动机的速度的重新静电脉中断了电动分支中中断的电缆。最重要的是让这个电动 - 换气者转弯以产生空气流动