Fault analysis of automotive air conditioning system1. Set the air conditioner to the position of maximum refrigeration, maximum air flow and direct blowing before checking the temperature of high and low pressure pipes. The air is circulated and A/C switch is turned on. Outlet t....
2. Lift the hood to confirm that the electronic fan is running at the same time and the compressor is running. If it is not running, loosen the protective cover of the high-pressure pipe, and find a sharp tool to gently press the high-pressure exhaust ejector to see if there is a....
3. Touch the high-pressure tube and low-pressure tube with your hands and carefully feel their temperature. When the refrigeration system is working properly, the normal temperature of the high-pressure pipe is about 50 to 60 degrees Celsius, which means that you can hold it firm....