TM 5-3805-296-23-1
0044
Table 1. E194 High Exhaust Temperature Event Code.
0044
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
E194 High Exhaust
Temperature - Derate
Perform this test only if condition is active.
EVENT CODE SET CONDITION
Engine ECM Determines Exhaust Temperature is Too High.
POSSIBLE CAUSE
High intake manifold air temperature, high altitude operation, and high
engine loads.
Aftercooler Restricted/Damaged.
Turbocharger Components Restricted/Damaged.
Test Step 1. Verify Operating
Conditions When Code Occurred.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Verify if engine was operating
Yes No action required.
under heavy load or at high alti-
No Proceed to Test Step 2.
tude when code occurred.
Test Step 2. Inspect Aftercooler.
Inspect aftercooler for damage/
Aftercooler Restricted Clear
restrictions (WP 0167).
restrictions (WP 0167).
Proceed to Test Step 4.
Aftercooler Damaged Replace
aftercooler (WP 0230).
Proceed to Test Step 4.
Aftercooler Not Restricted or
Damaged Proceed to Test Step 3.
Test Step 3. Inspect Turbocharger
Components.
Inspect turbocharger components for
Turbocharger Components
damage/restrictions (WP 0167).
Restricted Clear restriction(s)
(WP 0167).
Proceed to Test Step 4.
Turbocharger Components
Damaged Replace damaged
turbocharger components (WP 0207).
Proceed to Test Step 4.