TM 5-3805-294-23-1
0104
Table 1. DTC 1638.09 - Hydraulic Oil Temperature Message Not Received or Timed Out - Continued.
Test or Inspection
Corrective Action
Malfunction
3.
Clear and Refresh DTCs. Note
if DTC 1638.09 is still active.
(Volume 3, WP 0362)
4.
Turn key switch to OFF
1.
If DTC 1638.09 is still active,
position (TM 5-3805-294-10).
replace IFC. (Volume 4,
(Volume 5, WP 0794)
WP 0513) Restore machine to
original condition. Clear and
refresh DTCs. (Volume 3,
WP 0362)
2.
If DTC 1638.09 is not active,
problem corrected.
1.
Disconnect engine interface
62.
wiring harness J02 from ECU.
Between Engine
Interface Wiring
(Volume 5, WP 0800, Figure
Harness Connector
47)
J02 Sockets A1 and
B1 Out Of Range.
2.
Measure resistance (Volume
1.
If between 50 - 70 ohms,
proceed to Malfunction 63.
3, WP 0369) between engine
interface wiring harness
2.
If not between 50 - 70 ohms,
connector J02 sockets A1 and
proceed to Malfunction 64.
B1. (Volume 5, WP 0800,
Figure 47) Note readings.
1.
Connect engine interface
63.
Check DTC 1638.09
wiring harness connector J02
For Active Status.
to ECU. (Volume 5, WP 0800,
Figure 47)
2.
Turn key switch to ON position,
but DO NOT START ENGINE
(TM 5-3805-294-10). (Volume
5, WP 0794)
3.
Clear and refresh DTCs. Note
if DTC 1638.09 is still active.
(Volume 3, WP 0362)
4.
Turn key switch to OFF
1.
If DTC 1638.09 is still active,
position (TM 5-3805-294-10).
replace ECU. (Volume 4,
(Volume 5, WP 0794)
WP 0508) Restore machine to
original condition. Clear and
refresh DTCs. (Volume 3,
WP 0362)
2.
If DTC 1638.09 is not active,
problem corrected.
0104-19