Self-Study Programme 473 Infotainment in the Touareg '11.pdf

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Service Training
Self-study Programme 473
Infotainment in the Touareg 2011
Design and Function
In addition to the traditional medium of radio, other media like television, video and telephone systems have also
been popular in cars for some time now. In order to achieve, among other things, a very high level of user
friendliness, these media have been combined in a single infotainment system, which can also incorporate other
vehicle functions, for example, controls for air conditioning and driver assistance systems. Increasingly large
amounts of data need to be transferred even faster, in particular to allow high-quality visual reproduction of data.
For this reason, we have given the Touareg 2011 an infotainment system that links the different playback devices,
for example, the media player, radio tuner and TV tuner, with a fibre-optic cable for data transfer (MOST data
bus).
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You will find the latest information on the compatibility of infotainment components and
data formats at the Volkswagen Accessories website.
The self-study programme portrays the
design and function of
new developments.
The contents will not be updated.
For current testing, adjustment and repair
instructions,
refer to the relevant
service literature.
Attention
Note
2
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
RNS 850 Radio and Navigation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Control unit 1 for information electronics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
TV tuner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
DVD changer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
DynAudio sound system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Display units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Aerial Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
RCD 550 Radio System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Ring break diagnosis wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Updating the navigation data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Test Yourself . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3
Introduction
At launch, the Touareg can be equipped with an infotainment system based on the RNS 850 radio and navigation
system. An infotainment system based on the RCD 550 radio is planned for a later date. The functions and
information in this book therefore refer only to the system combined with the RNS 850.
Overview of infotainment system
The central element is the control unit 1 for information
electronics J794 for the RNS 850 in the versions with
and without integrated GSM telephone module. The
J794 communicates with most infotainment
components via the MOST data bus.
Further components could be,
for example:
-
-
-
the radio R
(radio unit in the “Basic” and “DAB” versions)
the DVD changer R161
the TV tuner R78
(TV/DVB-T tuner; depending on country in variants
analogue/digital and purely digital)
the digital sound package control unit J525
(DynAudio sound package)
J285
J794
R199
a
b
J533
c
J685
d
e
R161
R
J525
R78
Legend
J285 Control unit in dash panel insert
J525 Digital sound package control unit
J533 Data bus diagnostic interface
J685 Display unit for front information display
and operating unit control unit
J794 Control unit 1 for information electronics
R
Radio
R78
TV tuner
R161 CD changer
R199 Connection for external audio sources
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-
In the Medium and Premium versions, the displays in
the centre console (infotainment unit for front
information display and operating unit control unit
J685) and in the dash panel insert (control unit in dash
panel insert J285) are connected to the infotainment
system via different interfaces.
a
b
c
d
e
LVDS connection (200Mbit/s)
Display and operation CAN data bus (500kbit/s)
MOST data bus (21Mbit/s)
Powertrain CAN data bus (500kbit/s)
Extended CAN data bus (500kbit/s)
4
Infotainment interfaces
There are two types of electrical connection:
1. Interfaces to other vehicle system components or control units for the on-board electronics
2. Interfaces for using external devices or storage media.
CAN interface
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MOST interface
Media-in interface
(connection for external audio sources R199)
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Interfaces for on-board electronics
The infotainment system can exchange information
with other data bus subscribers via the data bus
diagnostic interface J533, for example, with the
Climatronic control unit via the convenience CAN
data bus. It also processes the signal from the multi-
purpose camera in the wing mirror via the extended
CAN data bus.
Some devices use several interfaces to exchange
information within the infotainment system.
For example, the Premium dash panel insert uses the
MOST data bus and the display CAN data bus for
this.
Interfaces for connecting external devices and
storage media.
If they have the right technical configuration, external
devices can be connected to the infotainment system
either wirelessly via Bluetooth or by plugging an
adapter cable into the media-in interface (optional) in
the glove compartment, for example, via USB.
The control unit 1 for information electronics J794 has
two SD slots for memory cards and a SIM slot when
combined with the GSM add-on.
You will find detailed information on
functions and supported data formats in the
description of components in the next
chapter.
5

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