Diagnose and detect ac problems The system of car air conditioner is an individual sealed circulatory system. En deem Beräich dobäi de Komfort vum Ride mat eise Komfort an d'Sécherheet an d'Sécherheet vum Auto, deen normalerweis bedrowes mécht. To check the air conditioning system of the car.First, you must be familiar with it and understanding the air-conditioning system of the car, master its refrigeration principle, system configuration, structure, function, etc.; a profikiant an der Interaktiounship an de Fu ...