No Cool Air [Manual 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 (MANUAL AIR CONDITIONER) DESCRIPTION AND 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 LIN communication 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.