Volkswagen Long Yi air conditioning pressure switch has electricity, air conditioning pump where no electricity how the matter
Hello, this situation may be a compressor failure, and if my answer to your help, please set the best answer.
2, check whether the air conditioning relay pull (if not smoke, check whether the ECU to provide ground control .3, and finally you can check the main relay and to the compressor line (the middle of a big plug is the water into the rust).
1, the best look at the real-time display of data, air conditioning pressure switch signal / evaporator temperature signal / water temperature / ambient temperature and other data is normal,
