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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater & Air Conditioning Control System (Diagnostics, Service Information) >> System Description >> System >> Rear Air Conditioning System >> Air Flow Control >> Starting Air Flow Control
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Starting Air Flow Control

When front blower motor is activated, A/C auto amp. gradually increases duty ratio of front blower motor control signal to prevent a sudden increase in discharge air flow.