Organizational Troubleshooting (continued)
TEST OR INSPECTION
GTE HIGH EGT INDICATOR LIT - ENGINE SHUT DOWN.
Place MASTER SWITCH in off position and check visual position on aide
a. If valve is fully closed, go to step 2.
and perform operational check.
Test thermocouple (see malfunction 91).
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
control valve (LCV) (paragraph 4-75). Check resistance between pins A and C of LVC. Resis-
tance should be between 30 and 38 ohms.
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-
GTE HI OIL TEMP INDICATOR LIT - ENGINE SHUT DOWN.
Add oil if required.
Test high oil temperature (HOT) switch (see malfunction 90).
b. If switch is good, fault may be due to overloaded engine.
Notify maintenance supervisor.