No Cool Air [Full-Auto Air Conditioner]: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

NO COOL AIR (FULL-AUTO AIR CONDITIONER) - DESCRIPTION & POSSIBLE CAUSE

DESCRIPTION	Magnetic clutch does not operate
POSSIBLE CAUSE	Airflow mode system malfunction Blower system malfunction A/C compressor malfunction CAN communication malfunction PCM A/C cut control system malfunction Refrigerant pressure sensor malfunction Evaporator temperature sensor malfunction Magnetic clutch malfunction A/C 7.5 A fuse malfunction A/C relay malfunction Improper refrigerant charging amount

When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while performing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If there is a problem, check to make sure connectors, terminals and wiring harnesses are connected correctly and undamaged.