
Diagnostic procedure

Dtc b1231
Dtc b1869, b1870Mazda 6 Service Manual: Air mix actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal
F or D of the air mix actuator.
2. Verify that the air mix actuator operates as shown below.
If not as specified, replace the air mix actuator.
e
3. Verify that the resistance between the terminals of the ...
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 ...