Climate Control Unit Does Not Store Information (Auto A/C): Notes

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

CLIMATE CONTROL UNIT DOES NOT STORE INFORMATION (AUTO A/C) DESCRIPTION AND POSSIBLE CAUSE

Troubleshooting item	Climate control unit does not store information
Description	When ignition is switched ON (engine off or on), climate control unit activated with set temperature at 22°C {72°F} while in AUTO Past malfunction code is not stored in climate control unit
Possible cause	Climate control unit malfunction
Courtesy of MAZDA MOTORS CORP.

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.