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Home >> Audi >> 2017 >> TT Quattro Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Air Conditioning (2 Of 2) [Coupe]) >> 87 Air Conditioning >> Additional Components For Control And Regulation >> Air Quality Sensor -G238- /Humidity Sensor In Fresh Air Intake Duct -G657-, REMOVING AND INSTALLING >> Notes

Air Quality Sensor -G238- /Humidity Sensor In Fresh Air Intake Duct -G657-, REMOVING AND INSTALLING: Notes

WARNING: This page is about a different variant/trim than selected.
NOTE:

The Air Quality Sensor -G238- and the Humidity Sensor in Fresh Air Intake Duct -G657- are only installed on a "Convenience" A/C system version (on an automatic climate control system).

For vehicles with a "Basic" A/C system version, neither an Air Quality Sensor -G238- nor a Humidity Sensor In Fresh Air Intake Duct -G657- is installed.

There are different versions of the Air Quality Sensor -G238- -3- and the Humidity Sensor In Fresh Air Intake Duct -G657- -1-. Pay attention to the correct allocation.

GWWA87-11399Courtesy of AUDI OF AMERICA, LLC

The Air Quality Sensor -G238- -3- is only installed on the "Convenience" A/C system version (on an automatic climate control system). It is integrated together with the Humidity Sensor In Fresh Air Intake Duct -G657- -1- in the housing -2-.