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2014 - Mazda6 - HVAC

BLOWER MOTOR [FULL-AUTO AIR CONDITIONER]

Purpose

Function

Construction

Operation

1. When the ignition is switched ON (engine off or on), the front body control module (FBCM) turns the blower relay on.
2. When the airflow volume control dial on the climate control unit is turned on, the blower motor rotates.
3. The rotation speed of the blower fan is determined by the transistor in the blower fan controller. If the current value flowing through the blower fan controller is high, the rotation speed increases, if the current value is low, the speed decreases.

Fail-safe



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