System wiring diagram
Horns
Horn, left
Horn, right
Relay in the Body Domain Controller
Body Domain Controller (BDC)
Steering column switch cluster (SZL)
Signal path of horn:
When the horn is pressed the signal is received by the steering column
switch cluster (SZL).
The SZL sends the in
Today's premium vehicles contain up to 70 control units with well over 100
micro-controllers which
are networked with each other. However, depending on the current vehicle
condition or the vehicle
user requirements, not all convenience and assistance systems may always be
needed.
It is possible