G37x Coupe AWD V6-3.7L (VQ37VHR) (2009)
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Intake door position is basically fixed at REC when REC indicator of intake switch is ON.
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Intake door automatic control selects FRE, 20 - 80% FRE, or REC depending on a target air mix door opening angle, based on in vehicle
temperature, ambient temperature, and sunload.