TM 5-3805-294-23-1
0096
TROUBLESHOOTING PROCEDURE
Table 1. DTC 1136.00 - Engine Control Unit (ECU) Temperature Signal Extremely High.
Test or Inspection
Corrective Action
Malfunction
Visually inspect ECU for dirt,
1.
If dirt, debris, or items
1.
Dirt and Debris on
debris, or items restricting
restricting airflow around ECU
ECU Causes ECU
airflow around ECU. (Volume
are found, remove any existing
Temperature to
dirt and debris from ECU, BE
Become Extremely
5, WP 0800, Figure 146)
CAUTIOUS TO AVOID
High.
DAMAGING CONNECTORS
OR STRIKING ECU
HOUSING. DO NOT USE
PRESSURE WASH TO
CLEAN ECU. Proceed to
Malfunction 3.
2.
If dirt, debris, or items
restricting airflow around ECU
are not found, proceed to
Malfunction 2.
Visually inspect ECU to see if
1.
If ECU is exposed to direct
2.
Direct Sunlight
exposed to direct sunlight.
sunlight, shade ECU then
Exposure is
proceed to Malfunction 3.
Causing ECU
(Volume 5, WP 0800, Figure
Temperature to
146)
2.
If ECU is not exposed to direct
Become Extremely
sunlight, proceed to
High.
Malfunction 3.
1.
Remove ECU from machine.
3.
ECU is Faulty.
(Volume 4, WP 0508) then
isolate ECU from any heat
sources and allow to cool for 5
minutes. (Volume 5, WP 0800,
Figure 146)
2.
Reconnect connector J2 to
ECU. (Volume 5, WP 0800,
Figure 146)
3.
Turn key switch to ON position,
but DO NOT START ENGINE
(TM 5-3805-294-10). (Volume
5, WP 0794)
0096-2