TM 5-3805-294-23-1
0124
Table 1. Engine Control Unit (ECU) Does Not Communicate With Service Advisor - Continued.
Test or Inspection
Corrective Action
Malfunction
1.
Attach USB cable to DPA 4
23.
Check For J1939
Plus and MSD. (Volume 3,
(CAN) SW CAN Data
Transfer Light -
WP 0375)
DPA 4 Plus With
USB.
2.
Open Service ADVISOR and
attempt to connect to the
ECU. (Volume 3, WP 0375)
3.
Turn key switch to OFF
1.
If light flashed briefly, proceed
position (TM 5-3805-294-10).
to Malfunction 24.
(Volume 5, WP 0794)
2.
If light is on continuous,
Service ADVISOR is
connected to the ECU.
3.
If no light, problem may have
been missed in previous
troubleshooting procedures.
Restart procedure at
Malfunction 1.
1.
Turn key switch to ON position;
24.
Engine Will Not
START ENGINE (TM
Start.
5-3805-294-10). (Volume 5,
WP 0794)
2.
Note if engine starts.
3.
Turn key switch to OFF
1.
If starts, proceed to
position (TM 5-3805-294-10).
Malfunction 25.
(Volume 5, WP 0794)
2.
If does not start, proceed to
Malfunction 27.
1.
Disconnect engine wiring
25.
Engine Wiring
harness connector J02.
Harness Connector
J02 Has Damage or
(Volume 5, WP 0800, Figure
Loose Sockets.
47)
2.
Visually inspect sockets A1,
1.
If damaged or has loose
B1, and K2 on engine wiring
sockets, repair connector J02
harness connector J02 for
(Volume 4, WP 0511) or
damage and loose sockets.
replace engine interface wiring
harness. (Volume 4,
WP 0509) Restore machine to
original condition.
2.
If not damaged and does not
have loose sockets, proceed to
Malfunction 26.
0124-8