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Electrical System for Your Volkswagen Phaeton 4 Door First Generation (2002-2016)

Electrical System  
Convenience Electronics  
Mem ory Functions  
These user profiles communicate via  
the Front Information Display Control  
Head J523 and the Access/Start Control  
Module J518.  
The Phaeton offers a variety of memory  
functions that are saved and accessed by  
various operating panels. In addition to the  
functions controlled by the seat memory  
feature, user profile settings can be created  
using the radio remote key.  
Seat m em ory  
Com ponent  
Storable Function  
Driver’ s seat  
settings  
Longitudinal adjustment, inclination adjustment, backrest inclination, height adjustment,  
leg rest adjustment, upper seatback angle adjustment, headrest adjustment, vertical and  
horizontal lumbar support, outside mirror, remote control, steering column height and  
length adjustment, seatbelt height, interior mirror  
Front passenger  
seat settings  
Longitudinal adjustment, inclination adjustment, backrest inclination, height adjustment,  
leg rest adjustment, upper seatback angle adjustment, headrest adjustment, vertical and  
horizontal lumbar support, seatbelt height  
10-position  
individual rear  
seat settings  
Longitudinal adjustment, inclination adjustment, vertical and horizontal lumbar  
support, headrest  
Front Inform ation Display  
Control Head J 523 Mem ory  
Com ponent  
Storable Function  
Air conditioning  
system  
Air conditioning functions right/left, front/rear, air recirculation automatic operation, solar  
ventilation, weekly timer for auxiliary heater  
Navigation  
Audio  
Display (map/symbol), route options, announcements (on /off)  
Preselection of radio station, CD, and volume, speed-regulated volume control for radio  
and CD, sound settings  
Display  
Units of measurement, volume, system language, settings for orientation illumination  
(fade-out time)  
Vehicle  
Tire pressure control, spare tire monitoring  
Board-PC  
Choice of representation (from start, until destination, long-term)  
54  
 
Electrical System  
Overview of m em ory com ponents  
appropriate pages for a more precise  
description of the Front Information Display  
Control Head J523 controls and for  
This illustration provides an overview of the  
controls and their associated memory  
function components. Please consult the  
information regarding seat adjustments.  
Front Information Display  
Control Head J523  
Interior  
Mirror  
External  
Mirror  
Belt Height  
Adjustment  
External  
Mirror  
Steering  
Column  
Seat Memory  
Control Panel  
Multi-Function  
Steering Wheel  
Rear A/C Control Head  
(Climatronic) E265  
SSP270/251  
55  
 
Electrical System  
Access and Start Authorization System  
The components and functions listed in the  
table are constituent parts of the access  
and start authorization system.  
The vehicle can be locked or unlocked  
without the active deployment of the  
radio remote key by using the optional  
convenience features of the access and  
start authorization system.  
For more information on access  
and start authorization, please  
refer to The Phaeton  
Convenience and Safety  
Electronics, Self-Study Program  
Course Number 896303.  
Item  
Description  
Radio remote key  
Radio-wave remote control as before, the Access/Start Control Module J518 analyses  
the radio signals.  
Central locking functions through the Central Control Module for Comfort System J393.  
Luggage compartment remote control.  
Electromechanical Locking and unlocking of the steering column when inserting and removing the key by  
steering column  
locking  
the Access/Start Control Module J518.  
Electromechanical steering column locking is off circuit as long as the key is neither  
removed nor inserted.  
Ignition can be activated only when the steering column is unlocked.  
Access/Start  
Authorization  
Switch E415  
Automatic resetting of the radio remote key to the neutral position after turning on the  
engine.  
Electrical pull-out lock: each key mechanically fits into the Access/Start Authorization  
Switch E415 and can be rotated. Ignition occurs only once the key has been identified by  
the Access/Start Control Module J518.  
Immobilizer III  
Soft start  
Immobilizer III as before, acting together with the Access/Start Authorization Switch  
E415, the engine control module and the electromechanical steering column locking.  
Via the CAN data bus drive and the Access/Start Control Module J518.  
Also for prolonged ignition switch rotation to the starting position (terminal 50 on); in the  
Access/Start Authorization Switch E415 the starter is engaged only until the engine is  
running, leading to improved starter protection and less noise.  
Access and  
start authorization  
component  
locations  
Access/Start Control Module J518: left footwell under the carpet.  
Access/Start Authorization Switch E415: on the right of the steering wheel.  
Steering Column Lock Actuator N360: steering column.  
Access/Start Authorization Antenna (in Rear Bumper) R136 (2): bumpers.  
Interior Access/Start Authorization Antenna 3 R154: under shifter cover.  
Interior Access/Start Authorization Antenna 2 R139: rear tunnel on the cable channel.  
Interior Access/Start Authorization Antenna 1 R138: rear seat central armrest/ski-bag  
cover.  
Luggage Compartment Access/Start Authorization Antenna R137: modular hat rack.  
Access/Start Authorization Button E408: shift-shaft covering panel.  
Electronic door handles: outer door handles.  
56  
 
Electrical System  
Additional functions of the convenience  
features for access and start authorization  
Function  
Description  
Opening with radio remote key using antenna and sensor in the  
Vehicle access without active  
deployment of the radio remote key external door handle.  
Key identification by the Access/Start Control Module J518.  
Unlocking via Central Control Module for Comfort System J393 and  
individual door control module.  
Electromechanical steering  
column locking  
Locking and unlocking of the steering column when inserting and  
removing the key by the Access/Start Control Module J518.  
Electromechanical steering column locking is off circuit as long as the  
key is neither removed nor inserted.  
Ignition can be activated only when the steering column is unlocked.  
Vehicle locking without active  
Pressing the locking button in the outer door handle with electronics.  
deployment of the radio remote key  
Interior Access/Start  
Authorization Antenna 3 R154  
Access/Start  
Authorization  
Switch E415  
Interior Access/Start  
Authorization Antenna 2 R139  
Interior Access/Start  
Authorization Antenna 1 R138  
Luggage  
Compartment  
Access/Start  
Authorization  
Antenna R137  
Steering Column  
Lock Actuator N360  
Access/Start  
Authorization  
Antenna  
Access/Start  
(in Rear Bumper)  
R136 (2)  
Control Module J518  
Outer Door Handles  
with Electronics  
SSP270/209  
57  
 
Electrical System  
Adaptive Cruise Control  
(Late Availability)  
Adaptive Cruise Control (ACC) is a driver  
assistance system that enhances cruise  
control operation.  
By reducing engine speed and applying  
the brakes if necessary, an ACC-equipped  
vehicle is kept at a reasonable distance  
behind a slower-moving vehicle in front of it.  
For more detailed information,  
please refer to The Phaeton  
Adaptive Cruise Control,  
Self-Study Program  
Course Number 898303.  
ACC Operation  
How ACC works is shown in the following  
four traffic scenarios.  
Steady speed  
There are no vehicles driving ahead within  
the distance regulator sensor detection  
area. The cruise control speed set by the  
driver is maintained.  
62 m ph  
(100 km / h)  
SSP270/197  
Delay  
When the ACC-equipped vehicle  
50 m ph  
approaches a slower-moving vehicle,  
vehicle speed is reduced by reducing the  
engine speed and, if necessary, through a  
moderate application of the brakes.  
The driver is prompted to take over the  
braking operation if the gap between  
vehicles is insufficient.  
(80 km / h)  
62 m ph  
(100 km / h)  
Ł 50 m ph  
(80 km / h)  
SSP270/198  
58  
 
Electrical System  
Effects  
The ACC-equipped vehicle adapts  
its speed to the speed of the vehicle  
in front of it.  
50 m ph  
(80 km / h)  
50 m ph  
(80 km / h)  
SSP270/199  
Acceleration  
The ACC-equipped vehicle accelerates to  
the desired speed once the vehicle in front  
of it leaves the traffic lane or otherwise  
moves out of the detection area.  
50 m ph  
(80 km / h)  
Operating Conditions  
ACC system status is affected by the left  
bank of buttons on the multi-function  
steering wheel, the accelerator, the brake  
pedal, the selector lever, by the  
50 m ph  
(80 km / h)  
Ł 62 m ph  
(100 km / h)  
engagement of the vehicle brakes.  
The ACC system is always off when the  
engine is started. The ON/OFF button  
must be used to switch the system to  
standby status.  
SSP270/200  
59  
 
Electrical System  
Conditions for turning on the ACC  
The ACC system can be turned on at  
vehicle speeds between 19 and 112 mph  
(30 and 180 km/h).  
The control buttons have the  
following functions:  
• The SET button adopts the current speed  
as the desired speed. Repeated pressing  
reduces the desired speed by 0.6 mph  
(1 km/h) each time.  
ACC  
• The RES (RESume) button adopts the  
previous desired speed. Repeated  
pressing increases the desired speed by  
0.6 mph (1 km/h) each time.  
ACC  
• The ACC + button or the ACC – button  
increases or reduces the desired speed  
in increments of 6 mph (10 km/h).  
Conditions for turning off the ACC  
• ON/OFF button, desired cruise control  
speed is lost.  
• CANCEL button, desired cruise control  
speed is maintained.  
• Pressing the brake pedal.  
• Excessive application of the accelerator.  
• Selector lever in P, R, N.  
SSP270/201  
• Vehicle speed outside of the range of  
19 to 112 mph (30 to 180 km/h).  
• Application of ESP, ASR, MSR, ABS.  
60  
 
Electrical System  
Control Module for  
Distance Regulation J428  
with Right Distance  
Regulation Sensor G259  
Sensor  
Electronics  
New ACC com ponents  
The ACC function is made possible by  
the use of a Control Module for Distance  
Regulation J428 with a Right Distance  
Regulation Sensor G259 that employs  
the radar principle and the active ABS  
system electronic Brake Booster Control  
Module J539.  
Important data regarding the Right Distance  
Regulation Sensor G259 include:  
• Transmit frequency: 76.5 GHz  
• Visual range: 492 feet (150 m)  
• Horizontal viewing angle: 12 degrees  
• Vertical viewing angle: 4 degrees  
Lens  
• Speed measuring range: ± 112 mph  
Millimeter-Wave  
Generator  
(180 km/h)  
SSP270/195  
Brake Booster  
The electronic brake booster is a  
well-known tandem amplifier in which  
an integrated electromagnet (Magnetic Coil  
for Brake Pressure in Brake Booster N247)  
controls the pressure distribution in such a  
manner that approximately 30% of the  
braking force can be activated electrically.  
The necessary braking convenience is  
ensured by a brake pressure control with a  
separate sender for brake pressure and a  
membrane position control with a separate  
membrane position sender.  
Brake Booster  
Control Module  
J539  
The electronics associated with the brake  
booster are accommodated in the Brake  
Booster Control Module J539.  
SSP270/196  
61  
 
Electrical System  
Headlights  
The Phaeton headlight design combines  
xenon lamps for the low beams and HB3  
lamps for the high beams.  
The turn indicator lights are integrated in  
the headlight housings. To enhance  
appearance, the H21W bulbs are not visible  
under the lenses.  
The gas discharge headlights  
can be diagnosed using the  
Vehicle Diagnosis, Test and  
Information System VAS 5051.  
SSP270/301  
Fog Lights  
The fog lights are built into the bumper.  
They are based on reflection technology  
with H11 lamps and transparent lenses.  
SSP270/238  
62  
 
Electrical System  
Rear Lights  
The rear lights are designed with light-  
emitting diodes (LEDs). Lower energy  
consumption, shorter response times and a  
longer service life are among the  
advantages of LEDs.  
The Phaeton vehicle diagnostic system  
will detect a malfunction if an LED  
becomes defective. The driver receives  
notification of the problem in the  
instrument cluster display.  
SSP270/236  
Specifications  
Brake lights  
Rear lights  
• Red glass  
• Red glass  
• With rear fog lights: 26 LEDs,  
13.5 V, 5.7 W  
• 123 LEDs, 13.5 V, 1.8 W  
(90 red LEDs, 33 red/yellow LEDs)  
• Without rear fog lights: 90 LEDs,  
13.5 V, 13 W  
Turn indicators  
• Red glass  
Rear fog lights  
• 33 LEDs, 13.5 V, 8.9 W  
• Red glass  
Backup lights  
• 48 LEDs, 13.5 V, 9.7 W  
• Clear glass  
• Bulb HPL, 13.5 V, 16 W  
63  
 
Electrical System  
Battery  
The battery gases are released through a  
side vent and a tube that expels  
them into the wheel housing.  
All Phaeton vehicle batteries are made  
using non-woven fabric containing latent  
sulfuric acid and are therefore maintenance  
free. The cell fill plugs cannot be opened.  
Plate Group  
Fabric  
SSP272/240  
Negative Plate  
Negative Grid  
Positive Grid  
Positive Plate  
64  
 
Electrical System  
Phaeton Battery System s  
The vehicle battery system has the task  
of guaranteeing the electrical energy for  
starting the engine and of feeding the  
various vehicle components that  
consume electricity.  
One-Battery System  
The various components that consume  
electricity are all supplied by one battery in  
all operating conditions.  
To ensure a sufficient energy supply for all  
of the electrical components as well as for  
the starting system, a one-battery system  
or a two-battery system is used on the  
Phaeton depending upon the engine and  
other equipment installed.  
The repair instructions for  
battery removal and installation  
must be carefully observed to  
avoid malfunctions in some  
electrical components that may  
otherwise be caused by a  
complete voltage failure.  
SSP270/232  
Series Fuse Box  
Battery  
65  
 
Electrical System  
Tw o-Battery System  
If either battery is discharged, the vehicle  
can still be started. The Battery Monitoring  
Control Module J367 and the Parallel  
Battery Connection Relay J581 can  
reroute current when necessary to enable  
the system components needed to start  
the engine.  
Vehicles with W12 engines are equipped  
with two-battery systems.  
The two-battery system includes a starter  
battery, a separate on-board power supply  
battery, a Parallel Battery Connection Relay  
J581, and a Battery Monitoring Control  
Module J367.  
The starter battery supplies electrical power  
to the starting circuit for starting the  
engine. The on-board power supply battery  
supplies the additional power needed for  
the 12V on-board power supply system.  
Starter  
Battery  
Parallel  
Battery  
Connection  
Relay J581  
Series  
Fuse Box  
Battery  
Monitoring  
Control  
On-Board  
Power Supply  
Battery  
Module J367  
SSP270/231  
66  
 
Electrical System  
Em ergency Starting  
If the single battery in a one-battery  
system is discharged, or if both batteries in  
a two-battery system are discharged, the  
engine can be started using an external  
voltage source.  
voltage only to the electrical components  
relevant to the starting procedure. This  
method of connection protects other  
components in the on-board power supply  
system from damage.  
The voltage source positive lead must only  
be connected at the vehicle jump-start  
terminal in the engine compartment. This  
jump-start terminal is connected directly to  
starter side terminal 30a and supplies  
Please observe the  
safety precautions in  
the Repair Manual and  
owner’s literature.  
SSP270/230  
67  
 
Electrical System  
Using the Front Inform ation  
Display Control Head J 523 for  
Com ponent Service  
Adjusting Headlights  
Changing Wiper Blades  
The headlights must be locked in place in  
the “basic setting” function with the  
Vehicle Diagnosis, Test and Information  
System VAS 5051 prior to adjustment.  
To change the wiper blades, they must  
first be moved into the service position  
using the “Maintenance & Service”  
function on the Front Information  
Display Control Head J523.  
Mechanical access to the headlight  
adjustment is opened using the Front  
Information Display Control Head J523.  
Repair Manual steps must be  
followed exactly to set up the  
wiper blades in the service  
position. Please follow the Repair  
Manual instructions carefully.  
°C  
PROJ ECT  
SETTINGS  
TP  
°C  
Other/ Maintenance & Service  
Wiper  
change  
Moves the w iper blades to the  
change position.  
Head-  
lights  
Opens the m echanical access to  
headlight adjustm ent.  
Back  
SSP270/235  
68  
 
Electrical System  
Infotainm ent System  
The Phaeton Infotainment system includes  
a range of functions that can be controlled  
by the Front Information Display Control  
Head J523, by buttons on the multi-  
function steering wheel, and by the Rear  
Information Display Control Head J524.  
• Travel data (TRIP DATA)  
(distance data, consumption, fuel stop)  
• Air conditioning (CLIMATE)  
(regulating heating / air conditioning  
system, solar roof function, auxiliary  
heater)  
• Setting variations (SETTINGS)  
(wiper blade change, headlight setting,  
voice control, service functions)  
Please consult The Phaeton  
Infotainment System,  
Self-Study Program Course  
Number 897303.  
• Tire pressure control (VEHICLE)  
• Chassis settings  
Infotainment functions include the following:  
(level and shock absorber control)  
• Audio (AUDIO)  
(radio, CD player)  
European configuration  
is shown. North American  
configuration is similar.  
• Navigation (NAV) (destination guiding,  
destination information)  
Front Inform ation Display Control Head J 523  
SSP270/086  
69  
 
Electrical System  
Front Information Display  
Control Head J523  
Infotainm ent Com ponents  
In addition to the controls in the Front  
Information Display Control Head J523, the  
multi-function steering wheel, and the Rear  
A/C Control Head (Climatronic) E265, the  
Infotainment system includes the following  
components:  
• Display Unit in Instrument Cluster Y24.  
SSP270/072  
• Control Module for Navigation with  
CD-Mechanism J401 in the glove  
compartment.  
• Antennas in the rear window.  
• Microphone Unit (in Front Roof Module)  
R164 for voice control and telephoning.  
Netw orking  
These main elements are linked by the  
Infotainment CAN data bus.  
This data bus network is one of a total of  
three CAN data bus networks in the  
Phaeton:  
• Drivetrain CAN data bus.  
• Convenience CAN data bus.  
• Infotainment CAN data bus.  
All three CAN data bus networks exchange  
information with each other. This allows the  
Infotainment system access to a wide  
range of sensors and actuators.  
SSP270/075  
Display Unit in  
Instrument Cluster Y24  
70  
 
Electrical System  
Control Module for Navigation  
with CD-Mechanism J401 in  
the Glove Compartment  
Microphone Unit  
(in Front Roof Module)  
R164  
Antennas in  
the Rear Window  
SSP270/071  
SSP270/073  
SSP270/074  
SSP270/066  
SSP270/077  
Rear A/C Control Head  
(Climatronic) E265  
SSP270/076  
Multi-Function  
Steering Wheel  
71  
 
Electrical System  
Front Inform ation Display  
Control Head J 523  
Main m enu row w ith  
Menu Selection Rotary Knob E460  
The Infotainment Front Information Display  
Control Head J523 is integrated into the  
center console and is subdivided into  
four sections:  
The selection of the main menu is made  
with this row of buttons. Menu items are  
selected by turning the Main Selection  
Rotary Knob E460 and the selection is  
confirmed by pressing it.  
Clim ate control row  
Audio row  
Its keys have set functions for controlling  
the heating and air conditioning system.  
Here you can change between radio and  
CD player.  
Function buttons w ith display  
The selection of transmitting stations or  
adjusting volume, for example, is made  
using the appropriate buttons.  
The various menus and information are  
shown on the display.  
The functions of the buttons are menu-  
driven. Functions are shown on the display  
next to the buttons.  
Climate Control Row  
Function Buttons  
with Display  
Welcome  
CLIMATE  
RESET  
MAP  
NAV  
AUDIO  
SETTINGS  
MANUAL  
ON/DARK  
HELP  
Main Menu Row  
Audio Row  
VEHICLE  
NAV SET  
TRIP DATA  
FM  
CD  
1
2
3
4
5
6
AM  
SCAN  
SSP270/068  
72  
 
Electrical System  
Multi-Function Steering Wheel Control  
In addition to the horn and driver’s airbag,  
the multi-function steering wheel  
accommodates two keypads to control the  
following functions:  
• Cruise control system.  
• Adaptive Cruise Control.  
• Infotainment subfunctions.  
• Menu selection for the Display Unit in  
Instrument Cluster Y24.  
• Voice input activation.  
SSP270/067  
Display Unit in Instrum ent Cluster Y24  
Some Phaetons are also equipped with a  
Display Unit in Instrument Cluster Y24 with  
a 5-inch (127 mm) color display. This display  
can show seven different menus for the  
various Infotainment functions.  
A menu is selected using the multi-function  
steering wheel controls. Then the desired  
function can be selected from the displayed  
menu list.  
The display in the Front Information Display  
Control Head J523 on the center console is  
not affected by this selection.  
SSP270/069  
Multi-Function  
Steering Wheel  
Controls for  
Display Unit  
in Instrument  
Cluster Y24  
SSP270/070  
73  
 

Related Topics

Convenience Electronics
Access and Start Authorization System
Adaptive Cruise Control
Headlights
Fog Lights
Rear Lights
Battery
Phaeton Battery Systems
Two-Battery System
Emergency Starting
Using the Front Information Display Control Head J523 for Component Service
Infotainment System
Infotainment Components
Front Information Display Control Head J523
Multi-Function Steering Wheel Control
Display Unit in Instrument Cluster Y24

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