Audi Q5 Owners & Service Manuals

Audi Q5: A/C System, General Information

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 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 careful study

 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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 Red symbols

Fig. 23 Display: Danger symbol With a priority 1 malfunction, a red symbol appears in the upper center area of the display > fig. 23. A driver message appears as well to ex­ plain the malfunction in more detail. When this symbol appears, three warning tones sound in succession. The symbol co

 Dynamic Steering

Overview - Dynamic Steering   Note Additional information on dynamic steering can be found in Audi Dynamic Steering Self Study Program No. 402. 1 - Power Steering Pump With an electric control valve depending on the engine The control valve is installed in gasoline engines only.

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