Multi-function steering wheel
In the interior of the multi-function steering wheel, in addition to the horn, there are two button panels for
activating frequently used functions.
The left button panel serves the functions of the automatic proximity control (APC) with cruise control
system (CCS). Infotainment system functions are operated using the right button panel.
Left button cluster
+ CCS: Current speed increased in steps of
10 km/h
SET: Stores current speed as a desired speed in
steps of 1 km/h and activates the APC or CCS
RESUME: Activates the APC or CCS at the most
recently selected required speed
- CCS: Reduces the desired speed in steps of
10 km/h
CANCEL: Switches the APC or CCS to standby
mode and stores the desired speed
Rotary wheel: Adjusts the APC distance
ON/OFF: Activates the APC or CCS after
starting the engine
On the side at the rear of the button module
there is an additional button for switching off the
button illumination.
For further information on the functions
of the left button panel and on the
subject of automatic proximity control
(APC) with cruise control system
(CCS)please refer to Self-Study
Programme 276 "The Phaeton -
Automatic Proximity Control".
52
The steering wheel buttons are connected to the control unit for steering column electronics which
transmits data via the convenience CAN databus to the dash panel insert or the control unit, and the
front display and control unit (CDC). The gateway in the dash panel insert manages the data interchange
between the convenience CAN databus and the drive train CAN databus.
The multi-function steering wheel
is capable of self-diagnosis
through the VAS 5051 Diagnostic
Testing and Information System
using address word 16.
Right button panel
+ Vol: Increases the volume of all audio
functions
Car phone receiver, Initiates or terminates
telephone connections
Announces the most recent navigation
information
- Vol: Reduces the volume of all audio
functions
Menu selection: Swaps between onboard
computer, car phone and Infotainment
Press/rotate thumbwheel: Menu selection (by
turning the thumbwheel) and selection
S273_068 confirmation (by pressing the thumbwheel)
For further information on the functions
of the right button panel and on the ESC: Fades-in the previous display on the
subject of "Infotainment please refer to display in the dash panel insert or stops a
Self-Study Programme 274 "The Phaeton procedure that is running
- Infotainment System".
On the side at the rear of the button module
there is an additional button for switching off the
steering wheel heating.
53
Sound system
For the Phaeton there is a choice between the
8-channel standard sound system or the
12-channel Premium sound system (optional).
The 8-channel sound system comprises The 12-channel sound system comprises:
10 loudspeakers (190 W) and an analogue 12 loudspeakers (270 watts) and
amplifier a digital amplifier
Components and fitting locations*
Tweeter,
in the mirror triangle
Woofer/mid-range,
device carrier panel,
front door
Woofer,
device carrier panel,
front door
Mid-range/tweeter,
inner door actuation,
front door (12-channel sound system only)
Woofer,
device carrier panel,
rear door
Mid-range/tweeter,
inner door actuation,
rear door
8-channel analogue or
S273_043
12-channel digital amplifier,
on left in boot
*The loudspeaker fitting locations apply to both the left and
right side of the vehicle.
54
Amplifier
The 12-channel digital amplifier offers the
Plug-in connections
following extended range of functions compared
with the analogue amplifier:
generate various room modes (pop, classical,
S273_124
jazz) and other effects (space, echo)
J525
optimised effect for each individual seat
Digital sound package control unit
vehicle-specific settings (fabric/leather seats;
right/left-hand drive models)
Both types of amplifier also generate the alert
tones for the parking aid acoustic warning (also
refer to the chapter entitled "Parking aid").
It is possible to identify whether an 8-channel analogue amplifier or a 12-channel digital
amplifier is fitted in the vehicle by the colours of the plug-in connections for the amplifier: if they
are grey and green, then it is an analogue amplifier; digital amplifiers have black plug-in
connections. Please refer to the current Workshop Manual for further information about the
sound system.
The sound system is capable of
self-diagnosis through the
VAS 5051 Diagnostic Testing and
Information System using address
word 47.
55
Sound system
Car phone
The fixed-network car phone is fitted in the front
passenger's armrest. The car phone is operated
by means of
the receiver,
the front control unit and central display and
control unit (CDC) or
Multi-function steering wheel
The hands-free microphone fitted on the driver's S273_119
Car phone in front passenger armrest
side in the roof module is used for transmission.
The car phone aerial (GSM) is integrated
invisibly in the upper area of the rear window
(also refer to the chapter entitled "Aerials". This
means that aerials on the roof or bootlid are no
longer necessary.
Car phone aerial
(GSM)
S273_034
The car phone control unit is fitted on the rear
shelf in the boot.
For further information on how to
operate the car phone, please refer to
S273_032
Car phone/ Rear shelf
Self-Study Programme 274 "The Phaeton
telematics control unit
- Infotainment System".
56
Overview of car phone system
Loudspeakers Loudspeakers
Hands-free microphone
J525
in the front roof module
Digital sound package
control unit
J285
Dash panel insert
J523
(Gateway)
Front central display and control unit
for information
Fixed-network car phone
Multi-function steering wheel
Car phone aerial
(GSM)
J526
Car phone/telematics control unit
S273_033
The car phone system is capable
of self-diagnosis through the
VAS 5051 Diagnostic Testing and
Information System using address
word 77.
57
Sound system
Navigation system
The CD player for the navigation system is fitted
in the glove box. To use the system, the
navigation CD must be inserted in the player.
The navigation CD player can also receive the
Infotainment system CD. Or it can be used to
display information, for example, in other
languages.
The navigation system is operated via the front
S273_036
central display and control unit (CDC), and also
R41 CD changer and J401 navigation system
via the rear CDC if the car is equipped
with CD drive control unit in the glove box
accordingly.
TP
22.5°C 92.1 MHz 21.0°C
A particularly large map section can be
Enter
Full
NAVIGATION
destination
screen
displayed in full screen mode on the 7" screen. Place of destination Distance in km
Store
VOLKSWA Display
destination
Alt.
Section
route
39
SANDKAMP
Route
Other
guidance
S273_039
Map section in the CDC display
The navigation aerial (GPS) is invisibly integrated
under glass in the upper part of the rear window.
Navigation aerial
(GPS)
The navigation system is capable
S273_034
of self-diagnosis through the
VAS 5051 Diagnostic Testing and
Information System using address
word 37.
58
Optical bus
The front and rear information display and
operating unit control units and the navigation
J401
control unit intercommunicate via an optical
Navigation control unit with
CD drive
databus to display a digital map.
Optical fibre
bus (OF)
Optical fibre bus
The control units are connected in a ring by
means of an optical fibre bus (OF). The optical
fibre bus must be handled with extreme care:
do not kink or crush the optical fibre cable,
do not bend the FO cable at bending radii of
less than 25 mm,
do not remove the protective cap until just J523
Front information display and
before installation,
operating unit control unit
if the protective cap is missing, you may have
S272_091
to renew the optical fibre cable.
Optical fibres
S273_127
Protective cap
S273_126
J 401
Navigation system control unit with connector
for optical bus
59
Sound system
CD changer
The 6-disc CD changer is located next to the
navigation computer in the glove box.
S273_037
At least one CD must be loaded in the CD
changer to play an audio CD. When a CD slot is
occupied, it is indicated by an illuminated LED
above the relevant station button.
The CD changer is operated via the audio unit in
the front central display and control unit (CDC).
S273_038
TV tuner
The TV tuner is fitted on the right on the rear shelf
in the boot.
The TV aerials are invisibly integrated in the
upper part of the rear window.
For safety reasons, while the vehicle is travelling
occupants only have access to sound and not to
S273_128
an image on the CDC screen.
The TV function is operated via the audio unit in
the front central display and control unit (CDC).
60
Aerials
The following aerials are fitted invisibly in the
upper border of the rear window:
car phone aerial (GSM*)
navigation aerial (GPS*)
GSM
(combined in one housing), GPS
aerial module.
aerial module.
*GSM = Global System for Mobile communication
S273_034
GPS = Global Positioning System
The following are integrated into the aerial All aerial conductors are invisibly concealed in
module: the upper area of the rear window. All aerial
conductors are invisibly concealed in the upper
diversity aerial, area of the rear window.
aerial booster for the four radio aerials
(FM 1-4, AM), The car phone aerial (GSM) and the navigation
four aerial boosters for the active TV aerials aerial (GPS) are also fitted in a module in the
(1-4), upper border of the rear window. However, it is
Telestart aerial for the auxiliary heating not linked to the conductors in the rear window.
(passive),
passive aerial for remote central locking (RCL).
GSM/GPS FM/TV4 Telestart FM/TV1 FM/TV2
auxiliary heating
Connection in upper
FM/TV3 AM RCL
heater panel
each 165W
Connection in lower
heater panel
S273_081
61
Seats
The following front seat options are available:
12-way seat
18-way seat (optional).
Depending on the type of equipment, both seat
variants contain a wide range of functions
such as
seat adjustment
memory functions
seat ventilation and heating
massage
easy-entry function
12-way seat
The 12-way seat offers the following options for
electrical adjustment:
1 Longitudinal adjustment
2 Belt height adjustment 2
5
3 Backrest adjustment
3
4 Inclination adjustment
5 4-way lumbar support (up/down; front/back)
4
1
S273_078
62
12-way seat controls
The seats are operated by means of buttons
located on the side of the front seat.
Belt height adjustment Memory buttons Storing the memory functions
Lumbar support
Seat adjustment
Massage
S273_118
12-way seat motors
The adjacent figures provides an overview of the
seat adjustment motors fitted in the 12-way seat:
1 Motor for longitudinal adjustment
2 Motor for height adjustment
5
3 Motor for backrest adjustment
6
3
4 Motor for inclination adjustment
5 Motor for horizontal lumbar support
7 2
6 Motor for vertical lumbar support
1
4
7 Seat control unit for memory
S273_122
63
Seats
18-way seat (optional)
3
In addition to the functions on the 12-way seat,
the 18-way front seats has the following
functions:
1
1 electric recline adjustment
2 extendible seat cushion
3 head restraint adjustment
All memory functions, the seat heater, ventilation
2
and massage functions are contained in the
18-way seat.
Non-perforated leather is available as an option
for the seats; in this case, the seat ventilation
S273_079
function is not fitted.
64
18-way seat controls
In addition to the seat adjustment functions
available in a 12-way seat, the 18-way seat has
an extendible seat cushion.
Belt height adjustment Memory buttons Storing the memory functions
Front/back electric
recline adjustment and
Lumbar support
up/down head restraint
adjustment
massage
Seat adjustment
S273_120
Extendible seat cushion
18-way seat motors
The adjacent figure provides an overview of the
additional motors fitted for seat adjustment in the
18-way seat:
1
3
1 Electric recline adjustment
2 Extendible seat cushion
3 Head restraint adjustment
4 Seat control unit for memory
4
2
S273_021
65
Seats
Rear seats
The rear seats may be supplied optionally as a single rear bench seat designed for three people or as
individual seats for two people.
Rear bench seat
The rear bench seat is available in two equipment variants:
Rear bench seat: with side airbags and manually adjustable head restraints
(seat heater optional)
Rear bench seat "plus": with electric 6-way lumbar support adjustment in the outer seats,
ventilation, massage, seat heater, manually adjustable head restraints and
seat occupancy detection (the head restraints rise automatically when the
seat is occupied and the seat heater is enabled).
The controls for the rear bench seat function are located on the side of the seats.
Individual seats
In addition to the rear bench seat functions, the two individual seats offer the following electrical
10-way auxiliary functions:
extendible seat cushion, seat tilt, the height of the head restraints and adjustment of the 4-way lumbar
support (up/down; front/back),
memory function,
Easy-Entry function (the seats move back 10 cm automatically when the door is opened) and
seat occupancy detection (see above).
The individual seats are only fitted in combination with 18-way front seats.
66
Individual seats
S273_130
Controls for adjusting the front passenger's
seat
The controls for the individual rear seats are
located in the rear central console.
In the version that has individual rear seats, it is
possible to adjust the front passenger's seat from
the rear compartment. This enables rear seat
passengers to obtain more leg-room and makes
it easier to exit the vehicle.
S273_026
67
Seats
Memory functions
The following functions can be stored electrically using the memory functions (optional in 12-way seat,
standard in 18-way seat):
individual seat adjustments
the position of the steering column with easy-entry function for the steering column
the position of the seat belts (height adjustment)
the settings for the interior and exterior mirrors
In addition to the 12-way seat memory functions, the 18-way seat has electric adjustments for the head
restraints, extendible seat cushion and the recline.
System overview of memory functions
Memory buttons 1, 2, 3 Front central display and control unit (CDC)
Control unit for
Central control entry and
unit for start authorisation
convenience
system
Steering column
electronics
control unit
Gateway in
dash panel
Seat adjustment
insert
(with memory)
control unit, driver
Front central
Roof electronics Door control unit, Door control unit,
display and control
control unit driver's side front passenger's
unit
side
for information
S273_022
68
Seat heater and ventilation
The seat heater integrated in the seat works
together with a fan to feed air at the right
temperature evenly through the perforated
leather via air ducts.
The seat heater and storage of the memory
position are regulated by the seat control unit.
The required heater and ventilation positions are
set by means of the seat heater potentiometer.
If the driver's side seat heater is active, the
steering wheel is heated simultaneously.
If the onboard power supply is overloaded, the
steering column heater and the seat heater and
ventilation are switched off by the onboard
power supply control unit.
S273_116
Massage function (optional)
The massage to relieve back muscles works
mechanically through the 4-way lumbar support.
Once it has been activated using the button on
the seat, the lumbar support vibrates in all
directions for 10 minutes.
In addition, the horizontal lumbar support moves
fully forwards.
To adjust the intensity of the massage, the
horizontal lumbar support can be moved back
manually.
The seat control unit assumes all the electric seat
convenience functions, including entering
information for all buttons and switches located
on the seat.
S273_027
69
Seats
Easy-Entry function
This function is activated by means of the switch on the steering column module, regardless of the user
profile. This moves the steering column electrically into the maximum upper and front position (park
position) to allow the driver to enter and exit comfortably.
When the ignition key is turned (Terminal 15 on), the steering column is returned to the stored position.
While the engine is being started, the steering column movements are interrupted.
Information relating to the switch is transmitted over the convenience CAN databus. When the ignition
key is withdrawn, the current steering column position is stored and it returns to the park position. When
the ignition key is switched on (Terminal 15 on), the steering column is returned to the last stored position.
Enabling easy-entry
Steering column Control unit for
electronics control entry and
unit start authorisation
Seat adjustment Hall senders
Steering column adjustment motor Z Steering column position Z
(with memory)
control unit,
driver Hall senders
Steering column position Y
Steering column adjustment motor Y
S273_024
For further information about the seats
and their functions, please refer to Self-
Study Programme 270 "The Phaeton".
70
Adjusting the steering column
The request to adjust the steering column is made
via the convenience CAN databus and is
processed by the driver's side seat memory.
When a command is given to make an
adjustment, the steering column is moved in the
required direction until the request is reset or the
soft stop is reached.
S273_025
Detecting the position of the steering
column and belt height
The same function request is used to adjust
the height of the belt as to adjust the seats.
The command to adjust the steering column is
sent to the convenience CAN databus and
Steering column adjustment button
+/- Z, +/- Y
processed by the driver's seat memory.
Steering column
electronics control
unit
Seat adjustment Hall senders
Steering column
Steering column adjustment motor Z
(with memory)
position Z
control unit,
driver Hall senders Steering column
Steering column adjustment motor Y
position Y
S273_023
The seats have self-diagnostic
capability using the VAS 5051
Diagnostic Testing and
Information System with the
address words 06 (front
passenger), 36 (driver) and 66
(rear).
71
Parking aid
The parking aid is intended to assist the driver The system has the following new features:
when manoeuvring. It is based on well-known
six sensors at front and six at rear,
ultrasound technology. The sensors are hardly
obstacle detection on the left and right,
visible and are fitted in the bumper.
display modules at the front and rear and
visual and acoustic warnings.
The acoustic signal is sent on the convenience
CAN databus and received by the digital sound
package control unit (DSP), processed and then
played back over the loudspeaker.
System overview
5
4
5
2
8
9 11
6
10
8
8
1
8
1 Parking aid control unit
2 Front sensors
7
3 Rear sensors
4 Parking aid button
5 Front display module (for forwards travel)
3
6 Rear display module (for reversing)
7 Digital sound package control unit
8 Loudspeaker
9 Dash panel insert
10 Entry and start authorisation switch
11 Onboard power supply control unit
S273_014
72
Parking aid function
The parking aid is activated automatically when
the ignition is turned on. It can be deactivated
Parking aid
manually using the button on the dash panel
button on the
insert. The green segment in the display modules
dash panel insert
indicates that the system is ready.
S273_117
Warnings in the module are indicated:
LEDs in the display module
visually between 130 cm and 50 cm by means
of LEDs 2 to 4,
visually and acoustically (slow intermittent
1 2 3 4 5 6 7
tone) between 50 cm and 40 cm by means of
S273_012
LED 5,
visually and acoustically (rapid intermittent
Detection ranges
tone)between 40 cm and 25 cm by means of
LED 6,
visually and acoustically (continuous tone)
between 25 cm and 0 cm by means of LED 7.
Tone frequencies are different at the front and at
the rear.
The system is active, when
the ignition is on (Terminal 15 on),
the speed is < 15 km/h,
reverse or neutral gear was selected (system
active at front and rear),
the gate selector lever is in position D or S
(system active at front only) and
a trailer is detected (system is deactivated at
rear).
The system is not active, when
the speed is > 15 km/h,
the handbrake is on (system is deactivated
after 2 seconds),
the gate selector lever is in position P .
S273_011
73
Parking aid
Overview of the parking aid
6 sensors in front bumper
Front left display module Front right display module
Parking aid control unit
Parking aid button
Loudspeakers Digital sound package
control unit
Rear module
6 sensors in rear bumper
S273_010
The parking aid is capable of self-
diagnosis through the VAS 5051
Diagnostic Testing and
Information System using address
word 76.
74
75
Test your knowledge
1. In the convenience and safety electronics there are several control units networking with several
CAN databus systems. Decide which control units communicate simultaneously with the
convenience CAN databus and with the Infotainment CAN databus.
a) Steering column electronics control unit
b) Parking distance control unit
c) Front information display and operating unit control unit
d) Rear information display and operating unit control unit
e) Entry and start authorisation relay
2. Which positions are there on the entry and start authorisation switch?
a) Off
b) On
c) Zero
d) Start
e) Assistance driving light
3. How many exterior aerials are there in the convenience equipment of the systems for entry
and start authorisation?
a) 4
b) 6
c) 8
76
4. In which ways can the bootlid be closed hydraulically?
a) The bootlid can be closed with the radio-wave remote control.
b) The bootlid can be closed with the button in the bootlid.
c) The bootlid can be closed with the switch on the inside of the driver's door.
d) The bootlid can be closed with the exterior button in the VW emblem.
5. If there is a power failure, the bootlid can be opened...
a) ...using the interior button in the bootlid...
b) ...using the radio-wave remote control...
c) ...using the emergency lock cylinder in the VW emblem in the bootlid...
d) ...using the switch on the inner side of the driver's door.
6. Which statement about the windscreen wiper module is correct?
a) The module comprises a single motor wiper system with wiper linkage.
b) The module comprises a dual motor wiper system without wiper linkage.
77
Test your knowledge
7. Where is the GPS aerial fitted invisibly?
a) The GPS aerial is fitted in the upper part of the rear window.
b) The GPS aerial is fitted in the bootlid.
c) The GPS aerial is fitted on the roof.
8. According to which principle do the parking aid sensors function?
a) They are optical sensors.
b) They use ultrasound.
c) The sensors work with radar.
9. The parking aid warnings are indicated...
a) ...visually
b) ...by sense of touch
c) ...acoustically.
78
79
.
c
,
. a
9
8. b
. a
7
6. b
5. c
d
,
b, c
,
4. a
3. b
d
,
b, c
,
2. a
d
,
1. c
Answers:
273
For internal use only. © VOLKSWAGEN AG, Wolfsburg
All rights reserved. Technical specifications subject to change without notice.
240.2810.92.20 Technical status: 03/02
@' This paper is produced from
non-chlorine-bleached pulp.
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