Volvo D9 - CAN Bus Termination

CAN bus termination
Requirement for BB1
To avoid signal reflection interference on the CAN bus,
120Ω resistors must be provided at each end of the
network. Termination should be done at the nodes far-
thest away.
The EMS has built-in terminations.
A
C
120Ω
OEM
CAN
device
CAN
device
120Ω
EMS
B
P0021392
CAN bus termination
A EMS
B CAN device (No termination)
C OEM CAN device
Engine control interface, CAN bus termination
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