Audi Q7: Heating, Ventilation & Air Conditioning

 Incorporating the Heating and A/C System in the Coolant Circuit

Notes for Incorporating the Heating and A/C System in the Coolant Circuit   Note In vehicles with a diesel engine with and without a "parking heater", an Auxiliary Heater Control Module -J604- and an Auxiliary Heater Heating Element -Z35- are installed. Refer to → Chapter "Auxiliar

 Humidity Sensor in Fresh Air Intake Duct -G657-/ Air Quality Sensor -G238-, Removing and Installing

Air Quality Sensor -G238- with the Humidity Sensor In Fresh Air Intake Duct -G657-, Removing and Installing   Note There are different versions of the Air Quality Sensor -G238-/ Humidity Sensor in Fresh Air Intake Duct -G657--A-. Therefore, ensure the correct allocation. Refer to the Part