2003-2015 Volkswagen Multivan SUV Electrics User Manual
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Electrics for Your Volkswagen Multivan SUV Fifth Generation (2003-2015)

Electrics  
The installation locations of the control units  
Control unit for right  
door  
Amplifier and  
TV tuner  
UHV control unit  
Airbag control  
unit  
MDI control  
unit  
Control unit for  
parking aid  
Control unit for left  
door  
Engine control unit  
Onboard supply  
control unit  
Remote control  
receiver for  
auxiliary heating  
40  
Control unit for  
voice amplification  
and CD changer  
Control unit for  
trailer detection  
Control unit for  
reversing camera  
Control unit for  
lane change assist right  
Control unit for  
right sliding door  
453_089  
Control unit for  
lane change assist left  
Left sliding door control unit  
41  
Electrics  
The networking concept  
J362  
J285  
What the abbreviations mean  
E265 Rear climate control unit  
E313 Selector lever  
T16  
G24 Tachograph  
a
G85 Steering angle sender  
G303 Interior monitor send and receive module 1  
G305 Interior monitor send and receive module 2  
G384 Vehicle inclination sender  
G397 Rain and light sensor  
J533  
J519  
G419 ESP sensor unit  
H12 Anti-theft alarm horn  
R78  
J104 ABS control unit  
d
J503  
J412  
J162 Water heater control unit  
J234 Airbag control unit  
J255 Climatronic control unit  
J285 Control unit in dash panel insert  
J345 Trailer detector control unit  
J362 Immobiliser control unit  
J364 Auxiliary air heater control unit  
J386 Driver door control unit  
J387 Front passenger door control unit  
J412 Mobile telephone operating electronics control  
unit  
c
R215  
J558  
J731  
J162  
J345  
J446 Parking aid control unit  
J492 Four-wheel drive control unit  
J503 Control unit with display for radio and  
navigation  
J702  
R12  
b
J519 Onboard supply control unit  
J527 Steering column electronics control unit in  
steering wheel  
J772  
J656  
J533 Data bus diagnostic interface  
J558 Left sliding door control unit  
J623 Engine control unit  
J656 Voice amplification control unit  
J702 Roof display unit  
J772 Reversing camera system control unit  
J731 Right sliding door control unit  
J743 Mechatronic unit for dual clutch gearbox  
J769 Lane change assist control unit  
J770 Lane change assist control unit 2  
J788 Isolator relay for CAN data bus drive  
R12 Amplifier  
J255  
R78 TV tuner  
R215 Interface for external multimedia devices  
T16  
Diagnostic connection  
42  
only for 2.0 l petrol engine  
J492  
J623  
J743  
G85  
E313  
G24  
J234  
J446  
G419 J104  
J788  
J769  
(Master)  
J770  
(Slave)  
H12  
CAN data bus driveline  
CAN data bus comfort/infotainment  
CAN data bus sensor  
G303  
G384  
LIN data bus  
CAN data bus line  
LIN data bus line  
Data line  
G305  
G397  
J527  
Control line  
K-line  
J386  
J387  
a CAN data bus diagnosis  
b LIN data bus door  
S453_024  
c
LIN data bus roof  
d LIN data bus local interconnect network  
E265  
J364  
43  
Electrics  
The onboard supply control unit J519  
The new onboard supply control unit J519 in the T5 2010 has had various functions added to it. In contrast to the  
onboard supply control unit in the previous model, it now also handles the functions of the convenience system  
central control unit J393.  
The onboard supply control unit J519 is connected to the onboard supply system via two 73-pin connectors.  
Depending on the variant of the onboard supply control unit J519 (which varies in accordance with the vehicle  
equipment), it takes over the control of a wide variety of bulbs by means of integrated semiconductor switches.  
The particular bulb function is switched via one pin each in this case (e.g. all the turn signals on one side).  
Bulb monitoring has been implemented for the bulbs switched by the onboard supply control unit.  
Configuration  
previous model  
Configuration  
model year 2010  
Convenience system  
central control unit J393  
S453_057  
Onboard supply control  
unit J519  
New onboard supply control unit J519  
Depending on the control unit variant, the J519 controls at least the following external lighting functions  
and monitors them:  
Turn signal  
Side light/tail light  
Brake light  
There are also bulbs that are switched via relays, e.g. main beam and headlight flash.  
The aerial for radio remote control is integrated in the new onboard supply control unit. It is not configured as a  
wire aerial but rather as a printed circuit board aerial.  
44  
Installation location  
The onboard supply control unit is fitted in a bracket  
on the left under the dash panel.  
The picture shows a view from the engine  
compartment through a cut-out opening  
in the bulkhead.  
S453_069  
Function  
The range of functions depends on the equipment. More complex equipment extends the range of functions  
compared to the more straightforward equipment, as shown by the functions listed in the table.  
The functions listed in the table include those functions that are used in the T5 2010 with its current equipment - the  
full range of possible functions of the onboard supply control unit is more extensive.  
Control unit version  
Range of functions of onboard supply control unit  
Medium ++  
-
-
-
-
-
-
-
-
-
-
-
Load management  
-
-
-
-
-
-
-
-
Side light and parking light control  
Seat heater and tilting/sliding sunroof enable  
Central locking  
Control of electric fuel pump  
Terminal control/terminal registration  
Front and rear wiper control  
Horn control  
Anti-theft alarm  
Radio remote control (433 MHz)  
Diagnostic interface for data bus  
CAN diagnosis, driveline and convenience  
LIN data bus door (driver and front passenger  
door, multifunction steering wheel)  
LIN data bus roof (rain/light sensor, interior  
monitor/tilt sensor)  
Battery isolation relay control  
Heated rear window control  
Heated exterior mirror control  
Headlight washer system control  
Interior light control  
-
Brake light and turn signal/hazard warning  
light control  
High+  
Lights  
-
-
-
-
-
Shift lock and starter interlock  
Reversing light control (DQ500 only)  
Cruise control system  
Fog light/static turning light control  
LIN data bus anti-theft alarm (alarm horn)  
-
-
-
-
-
-
Enable/read in main beam, light flash  
Automatic running light, coming home, leaving home  
Low beam, number plate light, daytime running light control  
Rear fog light control  
Reversing light control  
Additional variant for radio remote control (315 MHz)  
45  
Electrics  
The lights  
Headlights  
The external design and also the interior structure of the chambers of the headlight unit have been adapted to  
Volkswagen's new style. As in the previous model, it has a clear glass structure and is installed in the two variants  
with H4 and H7 headlight module.  
Turn signal  
Dipped beam  
PY, 21 W  
H7, 55 W  
Headlight module H7  
The T5 2010 is equipped with an H7 headlight model  
according to the model and equipment.  
If there are no daytime running lights then only the  
55 W coiled filament of the H15 bulb is used.  
S453_023  
Main beam/  
daytime running lights  
H15, 55/15 W  
Side light  
W, 5 W  
Turn signal  
PY, 21 W  
Low beam/main beam  
H4, 60/55 W  
Headlight module H4  
The T5 2010 is equipped with an H4 headlight model  
according to the model and equipment.  
If there are no daytime running lights then the bulb  
for the daytime running lights is still fitted, but it  
cannot be used.  
S453_022  
Daytime running lights  
P, 21 W  
Side light  
W, 5 W  
46  
Tail lights  
Brake and tail lights  
P 21/5 W  
Tail light  
R 10 W  
The T5 2010 has two different tail lights.  
In conjunction with the H7 headlight module, a new  
tail light is used which differs from the tail light in the  
previous model by its more striking design, its internal  
structure and the resulting distribution of the  
illuminated surfaces.  
Turn signal  
PY 21 W  
S453_135  
Rear fog light  
P 21 W  
Reversing light  
P 21 W  
Brake light  
P 21 W  
All other model variants of the T5 2010 retain the tail  
light familiar from the Multivan 2004, which is  
installed together with the H4 headlight module.  
Reversing light  
P 21 W  
Turn signal  
PY 21 W  
Rear fog light and tail light  
P 21/4 W - driver side only  
S453_136  
47  
Electrics  
!
Emergency brake display  
All model variants of the T5 2010 now feature the new "emergency brake display" function.  
The ABS control unit J104 detects an emergency braking situation based on the stored threshold values for  
deceleration and/or the ABS intervention time. It sets an emergency braking threshold if the speed is still faster than  
60 km/h at this time. The onboard supply control unit controls the function of the emergency brake display in  
response.  
Emergency braking flash  
Emergency warning flash  
Brake light  
flashing  
Hazard warning  
lights flashing  
S453_098  
S453_096  
10 km/h  
The emergency brake display is given in two stages.  
Emergency braking flash - When the vehicle is braked in a dangerous situation, the brake lights flash with high  
frequency as a warning to the traffic behind  
Emergency warning flash - If the speed drops below 10 km/h in this emergency braking situation then the  
brake lights stop flashing and reverts to a steady light for as long as the brake pedal is still being pressed.  
The hazard warning lights are switched on.  
The hazard warning lights are switched off automatically when the vehicle accelerates again and its speed  
exceeds 10 km/h  
The hazard warning lights can also be switched off manually using the button on the dash panel  
48  
Fog light - static turning light  
If the T5 2010 is equipped with fog lights then these are also used for the function of the static turning light.  
Indicator stalk  
or  
< 40 km/h  
Steering wheel  
S453_099  
Fog lights  
The static turning light is switched on by the onboard supply control unit J519 in accordance with the vehicle speed,  
the steering wheel angle and the turning request.  
The turn indicator signal has a greater priority than the steering angle in this case. For example, if the onboard  
supply control unit receives the information "turn indicator = left" and "steering wheel angle = right" then the  
direction of the indicators applies.  
At speeds up to 40 km/h, the side of the road on the inside of the bend is illuminated by the fog light when the  
vehicle is turning. The light is switched on and off with a dimming function.  
49  
Electrics  
The lane change assist  
Warning light for lane change  
assist (front passenger side) K234  
Lane change assist control  
unit 2 J770  
The T5 2010 (closed bodies, short wheelbase and  
tailgate) is now available with lane change assist  
(Side Assist) as an option.  
The lane change assist warns the driver about  
Dash panel  
insert  
vehicles that are located to the side in the "blind spot"  
or which are approaching rapidly from behind. To  
achieve this, two radar sensors scan the adjacent  
lanes on either side, both to the side and to the rear of  
the vehicle. If the lane change assist detects a critical  
situation, the warning light for the lane change assist  
(LED system) in the exterior mirror housing on the side  
of the vehicle in question indicates that there is a risk.  
The system can be switched on and off using a switch  
in the centre dash panel or using the multifunction  
indicator. The system automatically switches to active  
mode at a speed of 30 km/h or more.  
Button for  
lane change  
assist E530  
Lane change assist control  
unit J769  
Lane change assist warning light  
(driver side) K233  
S453_071  
Warning light for lane change assist  
K232 - function of light …  
... not lit  
The lane change assist warning lamp in the right-  
hand round instrument of the dash panel insert  
indicates whether the system is active or passive.  
... yellow  
... green  
Functions of warning lamp …  
… not lit - system is switched off or there is  
an error  
… yellow - system switched on and passive  
… green - system switched on and active  
S453_110  
rear left  
rear right  
Installation position of the control  
units  
The lane change assist control units are each installed  
behind the cover under the tail light. The sensors are  
also integrated in these control units.  
Lane change assist  
control unit J769 (left)  
Lane change assist  
control unit 2 J770  
(right)  
For information about the lane change  
assist, refer to self-study programme no. 396  
"The lane change assist"  
S453_101  
S453_102  
50  
The reversing camera system  
As an extension to the previous, ultrasound-based system for assistance during parking, the T5 2010 with tailgate  
can be equipped with the option of a reversing camera system.  
The reversing camera system operates with a wide-  
angle camera in conjunction with a control unit.  
The camera is fitted in the number plate light.  
The field of view to the rear that can be observed via  
the camera is transferred to the control unit installed  
in the right seat box and is processed there so that it  
can be displayed on the colour display of the  
navigation system without distortion and with  
In the dark, the illumination in the rear area of the  
vehicle provided by the reversing light is sufficient  
to allow perfect function.  
superimposed dynamic and static assistance lines.  
Detailed information about the reversing  
camera system is available in self-study  
programme no. 407 "The reversing  
camera system".  
Installation position of system components  
Control unit for  
reversing camera  
Reversing camera  
Vehicle in the  
observation area of the  
reversing camera  
Colour display in the radio/  
navigation system  
Observation area of the  
reversing camera  
S453_103  
51  
Electrics  
The dash panel  
The dash panel has been revised for the T5 2010. Overview of new features: revised lines, surfaces, newly  
designed dash panel inserts, completely new radio/navigation range and updated controls for heating/ventilation  
and air conditioning systems.  
The joystick control in the dash panel has been retained.  
Two different equipment versions of the dash panel are installed:  
Some models like the Caravelle and platform vans  
have the dash panel shown adjacent.  
The middle section of the dash panel only has a  
narrow downwardly tapering housing contour for  
accommodating the joystick control.  
S453_009  
Other models, such as the Multivan Highline, feature  
the following dash panel.  
This dash panel version is extended downwards in the  
centre part across the full width of the display units  
located above, for the purpose of accommodating the  
joystick control and for accommodating other controls  
and storage possibilities.  
S453_008  
52  
Dash panel insert  
Three variants of the dash panel insert are fitted in the T5 2010 depending on the vehicle equipment.  
Standard  
Medium  
S453_086  
S453_133  
Premium  
S453_134  
Gearshift recommendation  
Depending on the equipment, the T5 2010 has a display in the  
multifunction indicator of the dash panel insert in order to provide a  
recommendation for the driver to change gear in order to drive more  
economically.  
Arrow  
Number =  
Dot  
=
Gearshift recommendation – lower/higher gear  
Target gear  
=
No gearshift recommendation given  
(the digit next to the dot shows the currently  
engaged gear that corresponds to the optimum  
engine revs)  
S453_144  
In vehicles with DSG, the engaged drive range and the current gear are displayed.  
The media device interface box  
The T5 2010 is optionally equipped with the media  
device interface box (MDI box). It makes it possible to  
connect portable audio and memory devices and to  
play back their audio files via the radio or navigation  
system.  
S453_140  
The media device interface box is fitted on the right  
above the pedals. The connection socket installed in  
Detailed information about the media  
the glove compartment is used for connecting  
portable devices.  
device interface box can be found in self-  
study programme no. 423 "The Golf 2009".  
53  

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