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