DTC B1C1C-12: B1C1C-13: Airflow Mode Actuator (Potentiometer) Circuit: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

System malfunction location	B1C1C:12: Airflow mode actuator (potentiometer) circuit short to ground B1C1C:13: Airflow mode actuator (potentiometer) circuit open
Detection condition	Malfunction in wiring harness between airflow mode actuator and climate control unit
Fail-safe function	Malfunction determined when ignition switched ON Airflow mode actuator drive signal is stopped right when the malfunction is determined. Malfunction already exists when ignition switched ON Control based on ambient temperature.
Possible cause	Connector or terminal malfunction Airflow mode actuator malfunction Open circuit in wiring harness between climate control unit and airflow mode actuator Short to power supply in wiring harness between climate control unit and airflow mode actuator Climate control unit malfunction