System Overview

2010 BMW 650i 2D Coupe, StandardSECTION System Overview
Fig 1: High Beam Assistant Input/Output Diagram
G06896170Courtesy of BMW OF NORTH AMERICA, INC.
INDEX EXPLANATION CHART

Index Explanation
1 FLA Control Unit
2 Footwell Module
3 Instrument Cluster
4 Headlight
5 Reverse Gear Switch
6 Direction Indicator/High Beam Switch
7 Light Switch
8 Rain/Light/Solar Sensor
9 Wheel Speed Sensor
10 DSC Sensor
11 Image Sensor
Fig 2: High Beam Assistant Circuit Diagram
G06896171Courtesy of BMW OF NORTH AMERICA, INC.
INDEX EXPLANATION CHART

Index Explanation
1 High Beam Headlight, Left
2 High Beam Headlight, Right
3 Instrument Cluster
4 Housing of Interior Rear-view Mirror
5 Camera for High Beam Assistant
6 High Beam Assistant Control Unit
7 Junction Box Control Unit
8 Steering Column Stalk, High Beam Headlight
9 Steering Column Switch Cluster
10 Light Switch
11 Footwell Module
K-CAN  Body CAN
PT_CAN  Powertrain CAN
K-CAN SIGNALS AT CONTROL UNIT OF FOOTWELL MODULE

K-CAN Signals at Control Unit of Footwell Module
In/Out Signal Source Function
In  Position "A" (Automatic) on light switch > Light switch
> Footwell module
High beam assistance possible only in Automatic position
In  High beam/low beam > Steering column stalk, high beam
> Footwell module
Activation of high beam assistant system
In  Reverse gear > EGS Deactivation of high beam assistant
In  Brightness level of ambient light > Rain/light/solar sensor 
>Roof function Center 
Precondition: activation of high beam headlight
Out  High beam headlight on/off > High beam  High beam switched on and off by footwell module
Out  Indicator lamp > Instrument cluster  Activation of indicator lamp for high beam assistant
K-CAN SIGNALS AT CONTROL UNIT FOR HIGH BEAM ASSISTANT

K-CAN Signals at Control Unit for High Beam Assistant
In/Out Signal Source Function
In  Road Speed > Wheel speed sensors
> DSC
Deactivation of high beam assistant below certain speed
In  Yaw Rate > DSC Sensor
> DSC
Adaptation of detection range when cornering
In  Bulb Condition > Footwell Module  Monitoring condition of high beam on/off
Out  Switch-on and switch-off recommendation > Footwell Module  Switch-on and switch-off recommendation to footwell module - footwell module decides whether system is switched on or off
RENDER: 1.0x

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