8-3
08/12
Section 8
Electrical
Data Bus Communication
The multiplexed instrumentation system uses several different data links to transmit input/output data from other systems
to the Cab Electronic Control Unit (CECU), and ultimately to the Central Instrument Cluster and CVSG Gauges. See Fig-
ure 8-3, Multiplexed Instrumentation Block Diagram on page 8-3.
FIGURE 8-3.
Multiplexed Instrumentation Block Diagram.
•
V-CAN = Vehicle Controller Area Network
The V-CAN, also referred to as the J1939, is used to transmit data between the transmission, ABS system, engine, etc. to
the Cab Electronic Control Unit (CECU).
•
B-CAN = Body Builder Controller Area Network.
the B-Can provided the body builder access to J1939 data at a convenient back of cab harness location. This optional har-
ness is available on all models.
•
I-CAN = Instrumentation Controller Area Network
The I-CAN provides data link communication from the Cab Electronic Control Unit (CECU) to the Central Instrument Clus-
ter.
•
F-CAN = Frame Controller Area Network
The F-CAN provides a data link communication from the Cab Electronic Control Unit (CECU) to the Chassis Node to
control lighting functions.
•
CVSG Bus
The CVSG bus is a private data bus used to transmit data from the Cab Electronic Control Unit (CECU) to the individual
2-inch gauges. A series of “daisy chained” jumper harnesses link each gauge to one another.
CECU 3
Driver
Performance
Center
Cluster
Temp Sensors
Vacuum Sensor
Current Sensors
Fuel Sensors
Voltage Sensors
Tail/Trailer Lamps
Front Lamps
Customer Installed
ECU’s
Spare Inputs
Switches
Electrinic CVSGs
NavPlus
ABS
Adaptive Cruise
Control
Engine
Automated
Transmission
Diagnostic
Connector
MCS
Chassis
Node
CVGS Bus
I-CAN
D-CAN
V-CAN
B-CAN
F-CAN
Firewall
Содержание t800
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Страница 244: ...8 24 08 12 Section 8 Electrical FIGURE 8 17 Spare Relay Harnesses ...
Страница 254: ...8 34 08 12 Section 8 Electrical FIGURE 8 24 Chassis Power Distribution Center Mounting Above Washer Bottle ...
Страница 257: ...8 37 08 12 Section 8 Electrical Figure 8 28 Aerocab Alternate Hardware Location FIGURE 8 29 Chassis Node Dimensions ...
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Страница 276: ...A 6 08 12 Appendix A Vehicle Identification Kenworth Truck Company P O Box 1000 Kirkland WA 98083 425 828 5000 ...