Audi Q7 Owners & Service Manuals

Audi Q7: A/C System, General Information

Audi Q7 (4M) 2016-2026 Workshop Manual / Heating, Ventilation & Air Conditioning / Refrigerant R134a Servicing / A/C System, General Information

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 General Information

Introduction The purpose of this repair manual is to provide service advisors and technicians with the basic knowledge needed to ensure professional and competent procedures.   Note Only the c

 A/C Technology Basic Principles

Physical Principles The four known states of water also apply to air conditioning system refrigerants. 1 - Gaseous (invisible) 2 - Vapor 3 - Liquid 4 - Solid

 Refrigerant R134a

Refrigerant R134a Physical Data Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as ref

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 Interior lighting

Front interior lighting Fig. 38 Headliner: interior lighting Interior lighting buttons - Interior lighting on/off - Door contact switch on/off. The interior lighting is controlled automatically. Touch-sensitive reading lights To turn a reading light on or off, touch the surface (1) briefly.

 TV System

General Information - TV System The TV system is part of the MMI Infotainment system. TV Tuner -R78- is connected via the MOST-Bus to the other components of the MMI Infotainment system. Operation is performed via the Multimedia System Control Head -E380-. A DVD Changer -R161- (6G0) is located in

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