Yanmar 6LY3 series Service Manual page 365

Troubleshooting by DTC Fault Codes
12/05
U0146/12 (i2 Model (i83XX) Communication Error)
DTC U0146/12
Electrical Circuit Chart
Figure 13-39
6LY3 Service Manual
i2 module (i83XX) communication error
i2 module communication error
Battery
Fuse
20A
ECU
Main
Relay
AUX Power /
Service Tool
3
CANH
6
CANL
2
BAT+
8
BAT-
4
© 2007 Yanmar Marine International
36
26
Figure 13-39
TROUBLESHOOTING
ECU
CANH
CANL
0006140
13-75