BMW 7 Series (F01/F02) 2008-2015 Service Manual / General Vehicle Electronics / Steering Column Switch Cluster
BMW 7 Series: Steering Column Switch Cluster
- Introduction
- System Overview
- Functions
- Detecting The Controls
- System Components
- Operating Principle Of Optical Steering Angle Detection
- Steering Wheel Button Block
- Electrical Steering Column Adjustment
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Introduction
The Steering Column Switch Cluster - An Interface
The steering column switch cluster is a "mechanical and electrical interface"
from the steering wheel to the
vehicle; it is firmly connected mechanic
System Overview
Input/output Diagram, Steering Column Switch Cluster
Fig. 125: Steering Column Switch Cluster Input/Output Diagram
COMPONENTS DESCRIPTION CHART
Steering column stalk for turn-indicator/high-beam sw
Functions
Signal Detection
The functions of the steering column switch cluster are:
Detecting the switching signals of the steering-column switches
Detecting the controls in the multifunction steering wheel
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Replacing Vacuum Hose For Brake Booster
IMPORTANT: Before beginning work, fully press the brake pedal several
times to reduce the
vacuum pressure in the brake booster. This makes it easier to remove the
vacuum hose.
Vacuum hose and non-return valve are welded together and are replaced
together as a single unit.
Necessary preliminary tas
Replacing Complete Tail Panel
Read contents of BODY, GENERAL.
STRIP DOWN VEHICLE.
NOTE: Observe new procedure for bonding and riveting (REPAIR STAGE 2).
Operation is partially described on the left side. Right side identical.
Following new body parts are required (refer to Electronic Parts Catalogue -
EPC):
Rear panel
Follo
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