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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).
9.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Fuel supply OK.
Resistance test.
on Page 2-489
No aerated fuel.
STE/ICE-R #91.
Fuel filter OK.
Emergency shut-off switch OK.
REASON FOR QUESTION
Are there are 100 to 200 ohms
TRS adjustment OK.
measured between wires 112
TRS OK.
Resistance less than 100 or
DDEC pulse wheel OK.
more than 200 ohms indicates a
and 111 at engine harness
DDEC ECM terminals and
SRS Fault.
connector, terminals S1
connectors OK.
and S2?
POSSIBLE PROBLEMS
SRS faulty.
Open in injector return line.
Go to Fault A4
Short in injector return line.
NO
Code 42, Step 2.
DDEC ECM input voltage faulty.
YES
10.
KNOWN INFO
TEST OPTIONS
Fuel supply OK.
Resistance test.
Are there less than or equal to
No aerated fuel.
STE/ICE-R #91.
5 ohms at both injector
Fuel filter OK
harness connectors?
Emergency shut-off switch OK.
REASON FOR QUESTION
TRS adjustment OK.
TRS OK.
More than 5 ohms at any
DDEC pulse wheel OK.
reading indicates an open exists
DDEC ECM terminals and
in one of the injector driver or
connectors OK.
return lines.
SRS OK.
POSSIBLE PROBLEMS
Repair injector
Open in injector return line.
harness wires
Short in injector return line.
(see schematic 2-4)
NO
DDEC ECM input voltage faulty.
or notify DS
Maintenance.
Verify repair, go to
Step 13 of this Fault.
YES
2-488
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