New Holland CX720 Repair Manual page 1400

Module
ECU
DLU
DGPS
NOTE: KAM* = Keep Alive Memory; constant, key-off power.
Module
SSM
DLU
DGPS
CCM3
HHC
DISTRIBUTION SYSTEMS - ELECTRONIC SYSTEM
Power
Connector X193 pin 3 & 4
wires 810 & 811 white.
KAM* power at connector
X159 pin 1 wire 831 red
Main power at connector
X159 pin 5 wire 805 orange
Connector X142 pin 1 wire
903 orange
Network Connection
Connector X320 pin 4 (CAN HI) and
pin 3 (CAN LO)
Connector X159 pin 2 wire 807 yellow
(CAN HI) and pin 7 wire 806 green
(CAN LO)
Connector X142 pin 2 wire 999 yellow
(CAN HI) and pin 4 wire 996 green
(CAN LO)
Connector X012 pin J1-14 wire 133
yellow (CAN HI) and pin J1-13 wire
134 green (CAN LO)
1st check - Connector X281 pin 12
wire 544 yellow (CAN HI) and pin 6
wire 545 green (CAN LO)
2nd check — Connector X022 pin S
wire 544 yellow (CAN HI) and pin T
wire 545 green (CAN LO)
Ground
Connector X193 pins 1 & 2
wires 815 & 816 black
Connector X159 pins 6 & 8
wires 854 & 855 black
Connector X142 pin 3 wire
282 black
2 4/7/2006
A.50.A / 6
Comments
Refer to B.20.A.92 -
C.20.A.72 for more
information on ECU power
supply
KAM power from fuse F-39
Main power from fuse F-12
Power from fuse F-12
Comments
Connects to splice in MDM harness
just before reaching connector X064
Refer to Wiring harness - Electrical
schematic frame 24 (A.30.A.88 -
C.20.E.24).
Connects to network at splice in cab
roof (CR) harness
Refer to Wiring harness - Electrical
schematic frame 25 (A.30.A.88 -
C.20.E.25).
Connects to network at splice in cab
roof (CR) harness
Refer to Wiring harness - Electrical
schematic frame 25 (A.30.A.88 -
C.20.E.25).
Connects to network at CCM2
connector X015 pins J1-20 (CAN HI)
and J1-19 (CAN LO)
Refer to Wiring harness - Electrical
schematic frame 25 (A.30.A.88 -
C.20.E.25).
Connects to network through
connector X022 to splice in main
frame (MF) harness.
If 1st check indicates high or
infinite resistance, use 2nd check to
determine which harness fault is in.
Refer to Wiring harness - Electrical
schematic frame 25 (A.30.A.88 -
C.20.E.25).