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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> Heating & Air Conditioning >> Controls >> Module, Power, Blower Motor >> Description And Operation >> Description And Operation

Description And Operation

The blower motor power module is a linear regulator. The Heating, Ventilation, and Air Conditioning (HVAC) module sends a Pulse Width Modulated (PWM) signal to control the blower motor speed. The regulator sends its operating status to the HVAC module.

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