Windshield Fogged [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.

WINDSHIELD FOGGED (MANUAL AIR CONDITIONER) DESCRIPTION AND POSSIBLE CAUSE

DESCRIPTION	A/C compressor does not operate while airflow mode is in DEFROSTER or HEAT/DEF modes Air intake mode does not change to FRESH while airflow mode is in DEFROSTER or HEAT/DEF modes
POSSIBLE CAUSE	A/C compressor malfunction Air intake link malfunction Open or short circuit in wiring harness between climate control unit and air intake actuator Climate control unit connector malfunction or poor connection Air intake actuator connector malfunction or poor connection Air intake actuator malfunction Climate control unit malfunction Blower unit malfunction Air intake door malfunction

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