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Airflow Mode Actuator Inspection (Manual A/C)

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.
CAUTION:
  • If the lever position exceeds the operation range shown in the figure, the circuit in the actuator could be damaged. Always perform an actuator operation inspection with the lever movement within the range shown in the figure.
  1. Connect battery positive voltage to airflow mode actuator terminal D (or F), connect terminal F (or D) to ground, and then verify that the airflow mode actuator operates as shown in the table.
    • If the operation condition is not normal, replace the airflow mode actuator.
    Fig 1: Checking Airflow Mode Actuator Operation
    G10937621Courtesy of MAZDA MOTORS CORP.
    Terminal Airflow mode actuator operation
    D F
    B+ Ground DEFROSTER → VENT
    Ground B+ VENT → DEFROSTER
  2. Verify that the resistance between terminals B and C, C and A matches the airflow mode actuator operation as shown in the graph.
    Fig 2: Airflow Mode Actuator Operation Graph
    G10937622Courtesy of MAZDA MOTORS CORP.
    • If the operation condition and resistance are not normal, replace the airflow mode actuator.
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