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
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
Notes
WARNING: DANGER OF POISONING if oil is ingested/absorbed through the
skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to
enter the hydraulic
system.
Do not draw off hydraulic fluid (risk of contamination).
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DAMAGE (ESD PROTECTION).
Necessary preliminary work
Read out the fault memory of the DME control unit.
Switch off ignition.
Disconnect BATTERY EARTH LEAD.
Remove right SUSPENSION CROSS-BRACE.
Remove SOUND INSULATION for