iii
This eSelf Study Program teaches a basic knowledge of the design and functions of new models,
new automotive components or technologies.
It is not a Repair Manual! All values given are intended as a guideline only.
For maintenance and repair work, always refer to the current technical literature.
Note
Reference
Introduction ..................................................................................... 1
Model history for the World-wide market ............................................................................................................. 2
Body .................................................................................................. 8
Joining technology ................................................................................................................................................. 10
Thermal "hot" and mechanical "cold" joining techniques .................................................................................. 12
Attachments .......................................................................................................................................................... 14
Passive safety .................................................................................. 16
Components ........................................................................................................................................................... 16
System overview .................................................................................................................................................... 17
Front Passenger Airbag -disabled- Indicator lamp ............................................................................................ 18
Engine.............................................................................................. 22
Engine transmission combination ....................................................................................................................... 23
Power transmission ......................................................................... 24
Overview ................................................................................................................................................................. 24
quattro drive ......................................................................................................................................................... 24
6-speed DSG transmission 0D9 - S tronic ........................................................................................................... 26
Chassis............................................................................................. 28
Overall concept ...................................................................................................................................................... 28
Axles and wheel alignment ................................................................................................................................... 29
Brake system .......................................................................................................................................................... 36
Electronic Stability Control (ESC) ......................................................................................................................... 39
Steering system ..................................................................................................................................................... 40
Wheels and tires .................................................................................................................................................... 43
Electrical system ............................................................................. 44
Installation locations of control units ................................................................................................................. 44
Topology ................................................................................................................................................................. 46
Audi virtual cockpit ................................................................................................................................................ 48
Audi drive select ..................................................................................................................................................... 50
Climate control................................................................................ 53
Introduction ........................................................................................................................................................... 53
A/C operating and display unit ............................................................................................................................. 54
Instrument Panel Temperature Sensor G56 ....................................................................................................... 56
Seat systems .......................................................................................................................................................... 58
Infotainment ................................................................................... 60
Overview of versions .............................................................................................................................................. 60
Service ............................................................................................. 61
Inspection and maintenance ................................................................................................................................ 61
Self-study programs ........................................................................ 62
Knowledge assessment ................................................................... 63