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
2.
Try to connect using a different
1.
If connects, problem
USB port (DPA 4 Plus).
corrected.
(Volume 3, WP 0375)
2.
If does not connect, proceed to
Malfunction 6.
3.
If not available, proceed to
Malfunction 6.
Try to connect, using a
1.
If connects, problem
6.
Use a Different USB
different USB or parallel cable,
corrected.
or Parallel Cable.
if available. (Volume 3,
2.
If does not connect, proceed to
WP 0375)
Malfunction 7.
3.
If not available, proceed to
Malfunction 7.
Try to connect using a different
1.
If connects, problem
7.
Use a Different DPA
DPA 4 Plus, if available.
corrected.
4 Plus.
(Volume 3, WP 0375)
2.
If does not connect, proceed to
Malfunction 8.
3.
If not available, proceed to
Malfunction 8.
Try to connect using a different
1.
If connects, problem
8.
Use a Different
MSD, if available. (Volume 3,
corrected.
MSD.
WP 0375)
2.
If does not connect, proceed to
Malfunction 9.
3.
If not available, proceed to
Malfunction 9.
1.
If using USB cable, disconnect
9.
Check For DPA 4
USB cable from DPA 4 Plus.
Plus Power Light.
(Volume 3, WP 0375)
2.
Attach 26-pin J1939 cable to
the DPA 4 Plus and
application's 9-pin diagnostic
connector. (Volume 3,
WP 0375)
3.
Turn key switch to ON position,
1.
If DPA 4 Plus power light is
but DO NOT START ENGINE
ON, proceed to Malfunction
(TM 5-3805-294-10). (Volume
10.
5, WP 0794)
2.
If DPA 4 Plus power light is not
ON, proceed to Malfunction
11.
0124-3