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Page Title:
ENGINE CRANKS BUT WILL NOT START (CONT). |
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 TM 9-2320-364-20-1
E1 ENGINE CRANKS BUT WILL NOT START (CONT).
5.
KNOWN INFO
TEST OPTIONS
Fuel supply OK.
DDR test.
Is engine RPM less than 60
No aerated fuel.
while cranking engine?
Fuel filter OK.
REASON FOR QUESTION
Emergency shut-off switch OK.
TRS adjustment OK.
Less than 60 RPM indicates pos-
sible TRS Fault, more than
POSSIBLE PROBLEMS
60 RPM indicates possible SRS
Fault.
TRS faulty.
Damaged DDEC pulse wheel.
Damaged DDEC ECM terminals
or connectors.
SRS faulty.
Open in injector return line.
Short in injector return line.
DDEC ECM input voltage faulty.
Go to Step 8 of this
NO
Fault.
YES
6.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Fuel supply OK.
Resistance test.
on Page 2-485
No aerated fuel.
STE/ICE-R #91.
Fuel filter OK.
Emergency shut-off switch OK.
REASON FOR QUESTION
Are there 100 to 200 ohms
TRS adjustment OK.
measured between wires 109
Resistance less than 100 or
and 110 at engine harness
POSSIBLE PROBLEMS
more than 200 ohms indicates a
connector, terminals T1
TRS Fault.
and T2?
TRS faulty.
Damaged DDEC pulse wheel.
Damaged DDEC ECM terminals
or connectors.
SRS faulty.
Open in injector return line.
Short in injector return line.
Go to Fault A4
NO
DDEC ECM input voltage faulty.
CODE 41, Step 2.
YES
2-484
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