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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater & Air Conditioning Control System (Automatic Air Conditioning) >> System Description >> System >> Automatic Air Conditioning System (With Forest Air) >> AUTOMATIC AIR CONDITIONING SYSTEM (WITH FOREST AIR): Air Flow Control >> Low Coolant Temperature Starting Control
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Low Coolant Temperature Starting Control

A/C auto amp. does not operate bower motor when engine coolant temperature is approximately 37°C (99°F) or less, for preventing a cold discharged air flow. After this, gate voltage applied to power transistor gradually, and blower motor operates.

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