DTC B1086-71: Airflow Mode Actuator Motor Lock [Dash-Electrical Supply Unit]: Outline

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.

DTC B1086:71 [DASH-ELECTRICAL SUPPLY UNIT] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Airflow mode actuator motor lock
Detection condition	The dash-electrical supply unit detects that the airflow mode actuator remains operating clockwise or counterclockwise and does not stop for 15 s or more.
Fail-safe	Airflow mode actuator drive signal is stopped right when the malfunction is determined.
Possible cause	Airflow mode actuator malfunction A/C unit malfunction Airflow mode main link malfunction Airflow mode door malfunction Dash-electrical supply unit malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable