文档介绍：Participant's Manual
E87 General Vehicle Electrical
Systems - Part 2 -
BMW Service
The information contained in this participant's manual is intended solely for the participants of
this seminar run by BMW Aftersales Training.
Refer to the latest relevant "BMW Service" information for any changes/supplements to the
Technical Data.
Information status: April 2004
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© 2004 BMW AG
Aftersales Training, München, Germany.
Reprints of this manual or its parts require the written approval of
BMW AG, München.
Participant's Manual
E87 General Vehicle Electrical
Systems - Part 2 - Autarkic Functions
Wipe/wash system
Park distance control
Exterior lighting
Steering column switch cluster
Contents
Autarkic functions
Introduction 1
What are "autarkic functions" in the BMW 1
Series? 1
Wipe/wash system WiWa 2
Park distance control PDC 3
Exterior lighting 4
Outside mirror ASP 5
Seats 6
Steering column switch cluster (SZL) 7
9
Introduction
Autarkic functions
What are "autarkic functions" in the BMW 1 Series?
In Part 1 of the General Vehicle Electrical output signal to ponents executing
Systems the term "distributed functions" is the function.
used to describe the distribution of a certain
The wipe/wash system can be considered as
function over several control units.
a typical example of an autarkic function. In this
In Part 2 of the General Vehicle Electrical system, the signal from the rain and lights
Systems of the BMW 1 Series the term sensor is made available in digital form to the
"autarkic functions" is used to describe all control unit. On the other hand, the reset
systems whose function is executed mainly by contact of the wiper motor that is responsible
one control unit. for detecting the wiper park position provides
an analogue input signal.
The respective control unit receives analogue
or digital input signals, it processes the This participant's manual deals with the
information and passes it on in the for