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TM 9-2320-364-20-2
2-1054
2. ENGINE STARTS BUT MISFIRES, RUNS ROUGH, OR LACKS POWER (CONT).
7.
Repair wires 240
and/or 241 (see
schematic Fig 2-3) or
notify DS
Maintenance.
Verify repair, go to
Step 8 of this Fault.
YES
NO
Turn signals operate indicating
10 to 14 vdc are present on
wires 240 and 241 at battery
No. 4.
Fuel priming pump operates.
Fuel tank(s), fuel/water separator
hoses, and fittings OK.
Fuel/water separator OK.
Secondary fuel filter OK.
Fuel system not contaminated.
Wire 240 or 241 from battery to
circuit breaker CB23 or CB22
faulty.
Circuit breaker CB23 or CB22
faulty.
Wire 240 or 241 from circuit
breaker CB22 or CB23 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If less than 11.5 vdc are present
on one of wires 240 and 241,
the engine will run rough.
WARNING
Are 10 to 14 vdc measured on
wires 240 and 241 at DDEC
ECM power connector,
terminals A, B, E and F?
Read WARNING
on Page 2-1055
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