High voltage battery for Your Volkswagen Touareg SUV Third Generation (2018-2025)

NOTICE  
High voltage battery  
Never dis- clutch or clamp the 12-volt battery  
when the ignition is switched on or the  
engine is running. Also, never use a 12-volt  
battery that does not meet the vehicle's  
battery specifications. The electrical system  
or certain electronic components could be  
damaged and electrical functions could fail.  
Safety warnings regarding  
the high voltage network  
and the high voltage battery  
Never connect to the 12-volt socket or to  
the cigarette lighter socket accessories that  
supply current, e.g. breadboards, etc., to the  
12-volt socket.  
solar panels or battery chargers to charge the  
12-volt battery. Failure to do so could  
damage the vehicle's electrical system.  
Dispose of the 12-volt battery in accordance  
with the applicable regulations. The  
battery can  
contain toxic substances, such as sulphuric ac
and lead.  
The electrolyte may contaminat
environment. If any operating fl
out,  
collect it and dispose of it properly.  
Problems and
Note  
and
beginning of th
12-volt battery  
There is a fa
ked by a se  
the electrical sysnnect  
any unnecessary electtches. The  
alternator will not charge the 12-volt  
battery while ving. The start-stop  
system cannoart the engine p. 174.  
Several electriconsumers have been  
disconnected ause the 12-volt battery  
does not haufficient voltage. Drive a  
long distaat a slightly higher speed.  
nnect any power-consuming  
electrical consumers.  
Fig. 252 Warning signs (schematic  
representations): High voltage components. High-  
voltage general warning sign. High voltage battery  
warning sign.  
(e.g. heated window). If the warning light  
High voltage system overview  
The high-voltage system consists of, among other  
things  
electrical  
still comes on, have the  
s
ystem checked by a specialist workshop.  
others, of the following components:  
High voltage battery  
333  
   
High voltage battery  
affected with clean running water for at  
least 15 minutes and seek medical advice  
immediately.  
Power electronics module  
Electric motor  
3
The high-voltage battery can burn. Never  
expose the high-voltage battery to fire,  
sparks or naked flames. Always handle the  
high-voltage battery with care to avoid  
damage to the battery and leakage of  
battery fluid.  
High-voltage air-conditioning compressor  
Orange high-voltage cables and  
connectors  
Work on the high-voltage system may only be  
carried out by a qualified specialist workshop  
with appropriately qualified and trained  
technicians in accordance with Volkswagen  
guidelines p. 313, In the engine  
compartment.  
4
5
Always keep children athe high  
voltage battery.  
Further information and w
found in the operating inst
workshop documentation.  
Handling of warning signs and stickers page  
384  
6
Impropedling of the hig
battery can lt in serious or injury.  
Never remove high-voltage ery  
cover or disassethe high-voe  
High Voltage General Warning Signs  
There are warning signs fig. 252 andon the  
vehicle indicating the presence of high voltage.  
The following vehicle parts may be fitted with  
these warning signs:  
andling of tgh-volta
result in seriofatal injuries.  
e work on the hioltage  
ust only be carried out by  
and trained personnel p. 333.  
r make any modifications to the high-  
ltage battery. When the high-voltage  
ttery is open, it must not come into  
cct with water or other liquids. Liquids  
can e short circuits, electric shock and  
burns.  
Those covers and lids behind which there
high-voltage components subject to high  
electrical voltage.  
All high-voltage components, including the  
high-voltage battery.  
The locking plate, in the en
High Voltage Battery W
A warning sign on the
of dangers.  
WARNING  
work on the high-voltage system and high-  
voltage components is carried out incorrectly,  
this can lead to malfunctions, accidents and  
injuries.  
Legend to fig. 252 :  
1
High voltage can c
intouch th
th your fingers, tools, je
metal objects.  
Work on the high-voltage system and other  
systems which can be indirectly influenced  
by it may only be carried out by  
appropriately qualified and trained  
personnel.  
The high-voltage battery contains hazardous  
liquids and solids. Sevburns and  
blindness can result if gs escape from the  
battery. When working he high-voltage  
attery, always wear sble eye protection  
protective clothio prevent skin and  
eym coming contact with the  
battery attery fluid should come  
into contact with skin or eyes, immediately  
rinse the areas immediately.  
NOTICE  
After an accident or after having hit an obstacle  
with the underbody of the vehicle, qualified  
technical personnel must be called in.  
The battery is not designed and formed to check the high-  
voltage battery.  
334  
Instruction manual  
Cooling  
NOTICE  
Under the rear seat there is an air inlet for the  
high-voltage battery. This inlet draws in cooled  
air for the high-voltage battery. Never obstruct  
or cover the ventilation area under the rear  
seat.  
If the 12-volt battery has been disconnected,  
discharged or replaced, the combustion engine  
may not switch off automatically at first when  
the vehicle is started. If this situation persists for  
several days, contact a qualified specialist  
workshop. Volkswagen recommends that you  
visit a Volkswagen dealer for this.  
ro →  
.
Maintenance  
The user is not ped to carry out any  
maintenance work high-voltage  
battery.  
NOTICE  
Do not transport large quantities of liquid in the  
luggage compartment. If the liquid leaks out, it  
could get under the high-voltage battery cover.  
This could damage the high-voltage network and  
the battery.  
The battery maintenanc
under the floor of the lutment  
under orange cover. Thr is only  
intendeservice persond only qualified  
persons athorised to dinnect it page  
53.  
high voltage railroads.  
OTICE  
High-voltage battery  
inlet of the holtage battery is  
obstructed or owise closed,  
to the battery may occur.  
cooling and maintenance  
NOTICE  
If the vehicle is not used for a long period of  
time, the high-voltage battery is discharged. To  
ep the high-voltage battery in good condition,  
tehicle must be driven at least every 2  
mos for at least 30 minutes or 20 km at the  
latest. If the high-voltage battery becomes  
discharged and it is not possible to start the  
engine with the starting aid, seek the assistance  
of qualified personnel. Volkswagen recommends  
Please visit a Volkswagen dealership for this.  
Fig. 253 Under t
location of the hig
Fig. 254 Under the rear seat: air inlet for the high-  
voltage battery.  
High voltage battery  
335