TM
55-1730-229-12
AC
320A0-OMM-000
TO
35C2-3-473-1
TM
1730-12/1
Table 4-2.
Organizational Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
GTE HIGH EGT INDICATOR LIT - ENGINE SHUT DOWN.
31.
Step 1.
Place MASTER SWITCH in off position and check visual position on aide
of LCV (5, figure 4-56).
a. If valve is fully closed, go to step 2.
b. If valve is not fully closed, replace LCV (paragraph 4-75),
and perform operational check.
Step 2.
Test thermocouple (see malfunction 91).
a. Replace thermocouple if defective (paragraph 4-43), and
perform operational check.
b. If thermocouple tests Rood, continue with next step,.
Set MASTER SWITCH off and disconnect engine wiring harness connector P5 from load
Step 3.
control valve (LCV) (paragraph 4-75). Check resistance between pins A and C of LVC. Resis-
tance should be between 30 and 38 ohms.
a.
If resistance is ok, check engine harness wires M1A20 (P2-T
to P5-C) and M2820N (P2-X to P5-A) for continuity. Replace
wiring if defective. If wiring is good, replace ECU (para-
b.
If resistance is not ok, replace LCV (paragraph 4-75).
c. Perform operational check.
GTE HI OIL TEMP INDICATOR LIT - ENGINE SHUT DOWN.
32.
Step 1.
Check oil level.
Add oil if required.
Step 2.
Test high oil temperature (HOT) switch (see malfunction 90).
a. Replace switch if defective (paragraph 4-42), and perform
operations check.
b. If switch is good, fault may be due to overloaded engine.
Notify maintenance supervisor.
