User Manual

©
Scania CV AB 2013, Sweden
CAN interface for bodywork
Requirements for CAN communication with the vehicle
11:90-01 Issue 1 en-GB 131 (139)
Location of the external CAN bus in the vehicle's
CAN network
The external CAN bus is the bodywork's interface with the vehicle's CAN network.
The bodywork control unit sends information from the vehicle's network to the ex-
ternal CAN bus. It is also possible to send information to the bodywork control unit
in order to activate bodywork functions in the vehicle. Below is an overview of the
CAN network. The number of control units connected to the vehicle's CAN network
varies depending on the specification of the vehicle:
1. Control units always accessible in the vehicle's CAN network together with a bodywork control unit.
2. The bodywork control unit in the bodybuilder network, is the interface with the external CAN bus. The control unit in the bodywork
CAN network connected to the external CAN bus.
Diagnostic bus: Green bus: Yellow bus: Red bus: External CAN bus:
COO
Coordinator system
Diagnostic bus
Green bus
Yellow bus
Red bus
External CAN bus bus
APS
Airprocessing
system
RTI
Roadtransport
informaticssystem
GMS
Gearbox management
system
EMS
Engine management
system
BMS
Brake management
system
SMS
Suspension
management system
ICL
Instrument cluster
system
TCO
Tachograph system
VIS
Visibility system
LAS
Locking and alarm
system
BWS
Bodywork system
ECU X
Bodybuilder system
1
1
4
4
1
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