BMW F48 - Steering Wheel Heating

F48�General�Vehicle�Electronics
7.�Alarm�System
70
Index Explanation
1 Engine�compartment�lid�contact�switch
2 Fuses�in�the�power�distribution�box�in�the�passenger�compartment
3 Body�Domain�Controller�(BDC)
4 Door�contact,�passenger's�side,�front
5 Door�contact�on�passenger's�side,�rear
6 Siren�with�tilt�alarm�sensor
7 Tailgate�lock�contact
8 Door�contact,�driver's�side,�rear
9 Door�contact,�driver's�side,�front
10 Roof�function�center�(FZD)
11 LED�in�the�interior�mirror
The�alarm�system�in�the�F48�is�optional�equipment�(SA�302).
The�alarm�system�in�the�F48�is�equipped�with�an�ultrasonic�interior�movement�detector�for�monitoring
the�passenger�compartment.�The�ultrasonic�interior�movement�detector�(USIS)�is�fully�integrated�in
the�roof�function�center�(FZD).
The�door�contacts,�engine�compartment�lid�switch�and�the�opening�of�the�tailgate�are�monitored�by
the�Body�Domain�Controller.�As�soon�as�a�status�changes,�the�ultrasonic�interior�movement�detector
receives�this�information�via�the�K-CAN2.�In�the�event�of�an�activated�alarm�system�a�siren�with�tilt
alarm�sensor�is�activated�by�the�control�unit�in�the�event�of�a�break-in.
The�SINE�is�connected�to�the�roof�function�center�via�a�local�interconnect�network�bus.
By�operating�the�central�locking�button�on�the�remote�key�twice,�the�tilt�sensor�and�the�interior
movement�detector�are�deactivated�up�to�the�next�unlocking�process.
The�status�of�the�alarm�system�is�displayed�via�the�LED�at�the�interior�mirror.