BMW 5 Series: Horn
System wiring diagram
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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 information via the LIN bus to the Body Domain Controller.
- The Body Domain Controller evaluates the information and activates the relay for the horn.
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Introduction
The most versatile range of Driver Assistance Systems ever for a BMW model
was launched with the
introduction of the G12.
Numerous innovative systems have been introduced and have opened the way for
G30 Bus Overview
G30 Bus overview
ACC - Active Cruise Control
ACSM - Advanced Crash Safety Module
AMPT - Top HiFi amplifier
ASD - Active Sound Design
BDC - Body Domain Controller
CON - Controller
DME - Digital Motor
SEE MORE:
In the vicinity of the steering wheel
Roller sunblind in the rear
window
Safety switch
Power windows
Exterior mirror operation
Seating comfort feature
Memory function
Massage function
Lights
Front fog lights
Night Vision
Light switch
Lights off
Daytime running lights
Parking lights
Automatic headlight control
Comfort Access
Concept
The vehicle can be accessed without operating
the vehicle key.
Carrying the vehicle key with you, e.g., in your
pants pocket, is sufficient.
The vehicle automatically detects the vehicle key
when it is in close proximity or in the car's interior.
General information
Comfort Access suppor
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