Self-Study Programme 477 Audi A1.pdf

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Self-Study Programme 477
Audi A1
Audi
Service Training
The Audi A1 is a true Audi – it is first premium automobile in the
subcompact segment. The agile, sporty Audi A1 is perfect for use
in big cities thanks to its compact dimensions and its excellent fuel
economy. The main styling features can be seen in the body design.
The pronounced, encompassing shoulder line flows from front to
back and back to front, culminating in the grille at the front.
The “3 box design with rear spoiler atypical of small cars and the
accentuated rear-end styling give the A1 a striking and distinctive
appearance.
The Audi A1 also benefits from innovations taken from larger Audi
models. In addition to its state-of-the-art engines, examples of
what the A1 has to offer include a start-stop system,
a brake
energy recuperation system
and an on-board computer with
efficiency program. These technologies are complemented by an
array of infotainment options otherwise exclusive to luxury-class
models. The wide range of customisation options enables its
young, urban target group in particular to express their own
personal style.
The Audi A1 will be built at the Audi plant in Brussels, where a
great deal has been invested in the modernisation of the produc-
tion facilities in order to completely satisfy the most stringent of
quality standards.
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Learning objectives of this Self-Study Programme are:
This Self-Study Programme provides you with information about
the Audi A1 as a whole. Once you have worked your way through
this Self-Study Programme, will you be able to answer the fol-
lowing questions:
• At which production plant is the A1 manufactured?
• In which parts of the vehicle are high- and ultra high-strength
steels used?
2
• Which components have been installed for the purposes of
occupant protection?
• Which engines with which gearboxes are used in the A1?
• Which components contribute to road safety?
• How are the electrical components distributed in the vehicle
and where are they installed?
• Which infotainment components are installed in the vehicle and
how are they operated?
• How do the air conditioning system and the air distribution
system work?
Contents
Introduction
In brief _______________________________________________________________________________________________________________________________________________________ 4
Body
Introduction _________________________________________________________________________________________________________________________________________________ 6
Floorpan assembly __________________________________________________________________________________________________________________________________________ 7
Occupant protection
Introduction ________________________________________________________________________________________________________________________________________________ 10
System overview ___________________________________________________________________________________________________________________________________________ 11
Crash sensors _______________________________________________________________________________________________________________________________________________ 12
Engine
TFSI engines ________________________________________________________________________________________________________________________________________________ 14
TDI engines _________________________________________________________________________________________________________________________________________________ 20
Fuel tank ____________________________________________________________________________________________________________________________________________________ 24
Exhaust system _____________________________________________________________________________________________________________________________________________ 25
Gearbox
Manual gearbox ____________________________________________________________________________________________________________________________________________ 26
Automatic gearbox _________________________________________________________________________________________________________________________________________ 28
Chassis
Axles _________________________________________________________________________________________________________________________________________________________ 31
Chassis alignment and configuration ____________________________________________________________________________________________________________________ 33
Brake system _______________________________________________________________________________________________________________________________________________ 33
Steering system ____________________________________________________________________________________________________________________________________________ 36
Wheels and tyres ___________________________________________________________________________________________________________________________________________ 39
Electrical system
Power supply _______________________________________________________________________________________________________________________________________________ 40
Installation locations of the control units _______________________________________________________________________________________________________________ 42
Topology ____________________________________________________________________________________________________________________________________________________ 44
Data bus diagnostic interface J533 (gateway) __________________________________________________________________________________________________________ 48
Energy management _______________________________________________________________________________________________________________________________________ 50
Exterior lighting ____________________________________________________________________________________________________________________________________________ 55
Control unit in dash panel insert J285 ___________________________________________________________________________________________________________________ 60
Onboard power supply control unit J519 ________________________________________________________________________________________________________________ 62
Advanced Key _______________________________________________________________________________________________________________________________________________ 65
Immobiliser ________________________________________________________________________________________________________________________________________________ 70
Door control units __________________________________________________________________________________________________________________________________________ 71
Heating and air conditioning
Heating and air conditioning system _____________________________________________________________________________________________________________________ 74
Manual air conditioning system __________________________________________________________________________________________________________________________ 75
Automatic air conditioning system _______________________________________________________________________________________________________________________ 76
Infotainment
chorus radio (Europe only) ________________________________________________________________________________________________________________________________ 80
concert radio (Radio Media Center) ______________________________________________________________________________________________________________________ 81
Versions of the Radio Media Center ______________________________________________________________________________________________________________________ 82
Functions of the concert radio ____________________________________________________________________________________________________________________________ 84
MMI Navigation plus _______________________________________________________________________________________________________________________________________ 92
Sound systems _____________________________________________________________________________________________________________________________________________ 94
Aerial systems ______________________________________________________________________________________________________________________________________________ 96
Service
In-service product activation _____________________________________________________________________________________________________________________________ 98
Inspection and maintenance ____________________________________________________________________________________________________________________________ 102
Annex
Summary __________________________________________________________________________________________________________________________________________________ 103
3
Introduction
In brief
1471
1740
1416
1469
1906
477_003
808
2469
3954
677
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The Self-Study Programme explains the basics of the design and function of new models, new automotive
components or new technologies.
It is not a Repair Manual! Figures given are for explanatory purposes only and refer to the software version
valid at the time of preparation of the SSP.
For further information about maintenance and repair work, always refer to the current technical literature.
!
Note
Reference
4
663
1335
1266
921
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Length
in mm
Width
in mm
Heightin
mm
Track width, front
in mm
Track width, rear
in mm
Wheelbase
in mm
Trailer load
in kg
with brake and a gradient of 8 %
Kerb weight
in kg
3954
1740
1416
1477
1471
2469
1200
1)
2)
3)
Inner width, front
in mm
Inner width, rear
in mm
Headroom, front
in mm
Headroom, rear
in mm
Through-loading width
in mm
Load sill height
in mm
Boot capacity
in l
Tank capacity
in l
1335
1266
1014
925
921
663
270/920
4)
45
1115
1200
1140
1490
1575
1590
Max. gross weight
in kg
1)
2)
3)
Drag coefficient
in c
w
0,33
1)
2)
3)
4)
1.2l TFSI
1.4l TFSI
1.6l TDI
rear seat folded down
5

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