Fig. 8.60. Air conditioning and heater of Mazda 3: 1 – air conditioning system unit; 2 – air filter; 3 – main draft of air intake mode; 4 – rear air duct; 5 – Air conditioning compressor; 6 – capacitor; 7 – heater radiator hose; 8 – refrigerant line
The air conditioner electronic control unit has a self-diagnosis function. A failure in the system is recorded in the diagnostic trouble code memory, while the air conditioner switch indicator operates in a flashing mode.
[Original version of the article on the website: Mazbook.ru]