宝马E87 车载网络培训师背景材料（英文）.pdf

Trainer Background Material
E87 Vehicle Electrical System
BMW Service
The information contained in the trainer background material is intended solely for the trainer of
BMW Aftersales Training.
Refer to the latest relevant "BMW Service" information for any changes/supplements to the
Technical Data.
Information status: April 2004
******@
© 2004 BMW AG
Aftersales Training, München, Germany.
Reprints of this manual or its parts require the written approval of BMW AG,
München.
Trainer Background Material
E87 Vehicle Electrical System
Power distribution box on battery
Electric loads connected to continuous
positive
Coding options in transport mode
Contents
Vehicle Electrical
System
Introduction 1
ponents 3
Power supply 3
Junction box 4
Function 7
Power management 7
Transport mode 8
7
Introduction
Vehicle electrical system
Background information on the E87 vehicle electrical
system
This trainer background material BMW 1 Series. This section deals with the
complements the participant's manual for the power supply system.
1 - Power supply in the BMW 1 Series
1
7
2
8
ponents
Vehicle electrical system
Power supply
Power distribution box in partment
The power distribution box in the luggage The partment power distribution
compartment consists of the following box is available as plete unit for
components: replacement purposes. The fuses cannot be
replaced.
• Housing
• Fuse unit
• Retaining clip
1 - Power distribution box in
partment
Index Description
1 Fuses
2 Housing
3 Connector, high current connections
3
8
Junction box
Assignments of interfaces 1 and 2
The connections for activating and checking connection point of the junction box control
the relays are located in the connectors 1 and unit in the junction box.
2. The plug connector 2 is the internal
2 - Junction box
4