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Home >> Infiniti >> 2012 >> M37 V6-3.7L (VQ37VHR) >> Repair and Diagnosis >> Heating and Air Conditioning >> Description and Operation >> Forest Air System >> Automatic Defogging Control
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Automatic Defogging Control




SYSTEM

FOREST AIR SYSTEM : Automatic Defogging Control


DESCRIPTION

- A/C auto amp. detects fogging on windshield and front side window by calculating dew point temperature from glass temperature, passenger room temperature, and passenger room humidity that are detected by humidity sensor located on upper windshield.
- Fogging prevention mode (fresh air intake, compressor ON, and mode position DEF) automatically operates when fogging is detected.
- Previously, dehumidification control continuously operates for preventing fogging. Now, dehumidification control operates only when it is necessary. Excessive dehumidification in passenger room is prevented.

OPERATION DESCRIPTION

- This control operates when fogging is detected while AUTO switch is ON.
- Control status is displayed on "Forest Air Info" screen. Switch Name And Function.
NOTE:
- ON/OFF and ON/OFF timing of automatic defogging control can be changed by "Auto Defogging Sensitivity"
in "Forest Air Setting" menu. Menu Displayed By Pressing Each Switch.
- Automatic defogging control does not operate when ambient temperature is 2�C (28�F) or less.
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