BMW G15 - Ethernet

G15�General�Vehicle�Electronics
2.�Bus�Systems
7
Index Explanation
1 Dynamic�Stability�Control�(DSC)
2 Digital�Diesel�Electronics�(DDE)�(Not�for�US)
3 Digital�Engine�Electronics�2�(DME2)
4 Transfer�box�(VTG)
5 Electronic�Power�Steering�(EPS)
6 Electric�active�roll�stabilization�front�(EARSV)
7 Digital�Motor�Electronics�(DME)
8 Body�Domain�Controller�(BDC)
9 Vertical�Dynamic�Platform�(VDP)
10 Regulated�rear�axle�differential�lock�(GHAS)
11 Electric�active�roll�stabilization�rear�(EARSH)
12 Rear�axle�slip�angle�control�(HSR)
13 Advanced�Crash�Safety�Module�(ACSM)
14 Optional�equipment�system�(SAS)
FlexRay�has�a�data�transfer�rate�of�10MBit/s.
2.2.4.�Ethernet
2�Ethernet�variants�are�used�in�the�G15.�The�Ethernet�variant�with�5�lines�(4�data�lines�and�1�activation
line)�is�still�used�on�the�G15�by�the�OBD2�interface�to�the�BDC.
OABR�Ethernet�(2�data�lines)�is�also�used�in�the�G15.
OABR�Ethernet�application
The�following�control�units�are�connected�to�the�vehicle�electrical�system�via�OABR�Ethernet:
• Driver�Camera�System�(DCS)
• Top�Rear�Side�View�Camera�(TRSVC)
• Rear�view�camera�(RFK)
• Camera-based�driver�support�systems�(KAFAS)
• Front�radar�sensor�long�range�(FRSF).
The�following�control�units�are,�aside�from�a�further�bus�system,�connected�to�the�vehicle�electrical
system�via�OABR�Ethernet:
• Head�Unit�High�(HU-H)
• Telematic�Communication�Box�(TCB)
• Receiver�Audio�Module�(RAM)
• Optional�equipment�system�(SAS).