SSP 994602AG Audi Q3 [81s].pdf

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Self Study Programme
994602AG
Audi Q3
Audi
Service Training
The material in this Self Study Program
(SSP) may contain technical information
or reference vehicle systems and
configurations which are not available in
the Canadian market.
Please ensure you reference ElsaPro for
the most current technical information
and repair procedures.
As the most recent and compact addition to the Audi SUV series,
the Audi Q3 caters to the demands of a modern, urban world while
offering all the authentic plus-points of an SUV (Sports Utility
Vehicle). It complements the successful Audi SUV family started in
March 2006 with the launch of the Audi Q7. The Audi Q5 is the
sports car among SUVs and has successfully led the way in the
premium mid-range SUV segment since 2008.
The Audi Q3 stands out by virtue of its sporty, muscular appear-
ance and its modern, coupe-like styling, and yet it is an authentic
SUV through and through. This concept makes the Audi Q3 appeal-
ing to more than one target group because it meets a wide variety
of customer requirements.
The charismatic Audi Q3 is not what you would consider a "smaller
sibling of the Q5 and Q7", but a vehicle with a very distinctive
identity. It has the rugged character of a fully-fledged A-segment
SUV coupled with a coupe-like styling unmatched in this
segment — and yet it has all the hallmarks of an Audi. The Audi Q3
is compact, flexible and functional and therefore is also a good
option for people who do a lot of city driving.
The growing number of Audi model series has also led to a growing
number of production sites. While the Audi Q3 is an all-new
addition to the model range, the production facility in Martorell
(Seat Spain) is a new addition to the Audi production network.
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Learning objectives of this Self Study Programme:
This Self Study Programme provides you with general information
about the Audi Q3. After you have worked your way through this
Self Study Programme, you will be able to answer the following
questions:
• What defines the deployment stages of the airbag?
• What materials are used in the B post?
• Which unit bearings are used in the gearbox?
• How is the damper control function monitored?
• Which sensors are integrated in the electromechanical parking
brake control unit?
• What modifications have been made to Audi active lane assist?
• Which new adapters are available for the Apple iPod?
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Contents
Introduction
In brief _______________________________________________________________________________________________________________________________________________________ 4
Body
Overview _____________________________________________________________________________________________________________________________________________________ 6
Body structure _______________________________________________________________________________________________________________________________________________ 8
Panorama glass sunroof ___________________________________________________________________________________________________________________________________ 10
Bumper system _____________________________________________________________________________________________________________________________________________ 11
Tow bar ______________________________________________________________________________________________________________________________________________________ 11
Occupant protection
Components ________________________________________________________________________________________________________________________________________________ 12
Front airbags _______________________________________________________________________________________________________________________________________________ 14
Seat belt reminder _________________________________________________________________________________________________________________________________________ 17
Engines
The 2.0l TFSI engine _______________________________________________________________________________________________________________________________________ 18
2.0l TDI engine (2nd gen) _________________________________________________________________________________________________________________________________ 20
Engine/gearbox mounting ________________________________________________________________________________________________________________________________ 22
Fuel system _________________________________________________________________________________________________________________________________________________ 23
Exhaust systems ___________________________________________________________________________________________________________________________________________ 24
Engine/gearbox combinations ____________________________________________________________________________________________________________________________ 25
Running gear
Overview ____________________________________________________________________________________________________________________________________________________ 26
Axles _________________________________________________________________________________________________________________________________________________________ 27
Electronic damper control _________________________________________________________________________________________________________________________________ 29
Brake system _______________________________________________________________________________________________________________________________________________ 31
Steering system ____________________________________________________________________________________________________________________________________________ 35
Wheels and tyres / tyre pressure indicator ______________________________________________________________________________________________________________ 42
Electrical system
Power supply _______________________________________________________________________________________________________________________________________________ 43
Data bus diagnostic interface J533 (gateway) __________________________________________________________________________________________________________ 44
Onboard power supply control unit J519 ________________________________________________________________________________________________________________ 47
Installation locations of the control units _______________________________________________________________________________________________________________ 48
Topology ____________________________________________________________________________________________________________________________________________________ 50
Exterior lighting ____________________________________________________________________________________________________________________________________________ 54
Audi drive select ____________________________________________________________________________________________________________________________________________ 60
Driver assistance systems _________________________________________________________________________________________________________________________________ 62
Air conditioning
Introduction ________________________________________________________________________________________________________________________________________________ 65
Refrigerant circuit __________________________________________________________________________________________________________________________________________ 67
Connected components ___________________________________________________________________________________________________________________________________ 68
Infotainment
Overview of versions _______________________________________________________________________________________________________________________________________ 70
Installation locations of control units ___________________________________________________________________________________________________________________ 72
Aerials overview ____________________________________________________________________________________________________________________________________________ 73
Sound systems _____________________________________________________________________________________________________________________________________________ 74
Displays _____________________________________________________________________________________________________________________________________________________ 76
iPod adapter plus __________________________________________________________________________________________________________________________________________ 77
Service
Inspection and maintenance ______________________________________________________________________________________________________________________________ 78
Annex
Self Study Programmes ___________________________________________________________________________________________________________________________________ 79
3
Introduction
In brief
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The Self Study Programme teaches a basic knowledge of the design and functions of new models, new auto-
motive components or new technologies.
It is not a Repair Manual! Figures are given for explanatory purposes only and refer to the data valid at the
time of preparation of the SSP.
For maintenance and repair work, always refer to the current technical literature.
!
Note
Reference
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