大众途锐_Touareg_发动机电子系统技术概述.pdf

Service.
Self-Study Programme 298
The Touareg
Electrical System
Design and Function
Vehicles with off-road capability are no longer The off-road vehicle features a number of hi-tech
just utility vehicles for a limited group of people. convenience systems for fort.
At all levels in the population they are now This Self-Study Programme is designed to help
ing more and more sought after. you learn about the electrical and electronic
systems in the Volkswagen Touareg.
S298_052
NEW Important
Note
This Self-Study Programme explains the design Please refer to the relevant Service Literature
and function of new developments. for current inspection, adjustment and repair
The contents will not be updated. instructions.
2
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Onboard power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Battery concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Onboard power supply management. . . . . . . . . . . . . . . . 30
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Networked functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Glossary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Test yourself . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
3
Introduction
Fuse boxes and relay slots in vehicle's electrical system
Fitting locations
The fuse boxes and relay slots can be found at
various locations in the vehicle due to the fact
that the onboard power supply does not have
a central layout.
The illustrations here provide an overview of their
fitting locations.
E-box
on left under dash p