Diagnostic procedure
Mazda 6 Service Manual: Cruise control switch inspection
1. Disconnect the negative battery cable.
2. Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE
REMOVAL/INSTALLATION.)
3. Disconnect the cruise control switch connector.
4. Inspect for resistance and continuity between the cruise control switch
terminals using an ohmmeter. ...
Mazda 6 Service Manual: Control Switches
AUTO switch
By pressing the AUTO switch the following functions will be automatically controlled
in accordance with the selected set temperature:
Airflow temperature
Amount of airflow
Selection of airflow mode
Outside/Recirculated air selection
Air conditioner operation
NOTE
AUTO ...