BMW G15 - D-CAN Bus System; Local CAN Bus Systems

G15�General�Vehicle�Electronics
2.�Bus�Systems
4
Index Explanation
SMFA Driver's�seat�module
SRSNVL Side�radar�sensor�short�range�front�left
SRSNVR Side�radar�sensor�short�range�front�right
TCB Telematic�Communication�Box
TRSVC Top�rear�side�view�camera
VDP Vertical�Dynamic�Platform
VIP Virtual�Integration�Platform
VTG Transfer�box
WCA Wireless�charging�station
ZGM Central�Gateway�Module
1 Start-up�node�control�units�for�starting�and�synchronizing�the�FlexRay�bus
system
2 Control�units�authorizedto�perform�wake-up�function
3 Control�units�also�connected�to�wake-up�line.
2.2.�Main�bus�systems
2.2.1.�K-CAN
In�the�G15�the�following�K-CAN�are�used:
• K-CAN2
• K-CAN3
• K-CAN4
• K-CAN5
• K-CAN6.
The�control�units�on�the�K-CAN5�are�not�displayed�during�diagnosis�by�the�BMW�diagnosis�system
ISTA.�Diagnosis�is�performed�via�the�Body�Domain�Controller�(BDC).�The�following�control�units�are
affected�here:
• Remote�control�receiver�(FBD)
• Wireless�charging�station�(WCA)
• Near�Field�Communication�(NFC).
All�K-CAN�bus�systems�have�a�data�transfer�rate�of�500kBit/s.