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
Visually inspect ECU
1.
If damaged or has loose pins,
26.
ECU Connector J02
connector J02 for damage and
replace ECU. (Volume 4,
Has Damage or
loose pins. (Volume 5,
Loose Pins.
WP 0508) Restore machine to
WP 0800, Figure 146)
original condition.
2.
If not damaged and does not
have loose pins, proceed to
Malfunction 45.
1.
Remove POWER ON 5A F16
27.
POWER ON 5A F16
Fuse (TM 5-3805-294-10).
Fuse Blown.
(Volume 5, WP 0794)
2.
Visually inspect POWER ON
1.
If fuse is blown, replace
5A F16 fuse for blown element.
POWER ON 5A F16 fuse (TM
5-3805-294-10). (Volume 5,
WP 0794) Restore machine to
original condition.
2.
If not blown, proceed to
Malfunction 28.
Visually inspect POWER ON
1.
If damaged or has loose
28.
POWER ON 5A F16
5A F16 fuse sockets for
sockets, replace cab wiring
Fuse Sockets Are
damage or loose sockets.
harness. (Volume 4,
Damaged or Are
Loose.
(Volume 5, WP 0800, Figure
WP 0504) Restore machine to
161)
original condition.
2.
If not damaged and does not
have loose sockets, proceed to
Malfunction 29.
1.
Remove ECU 20A F8 Fuse
29.
ECU 20A F8 Fuse
(TM 5-3805-294-10). (Volume
Blown.
5, WP 0794)
2.
Visually inspect ECU 20A F8
1.
If fuse is blown, replace ECU
fuse for blown element.
20A F8 fuse (TM
5-3805-294-10). (Volume 5,
WP 0794) Restore machine to
original condition.
2.
If not blown, proceed to
Malfunction 30.
0124-9