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Page Title:
ENGINE HARNESS +5 VOLT SUPPLY (CONT). |
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 TM 9-2320-364-20-1
A5B ENGINE HARNESS +5 VOLT SUPPLY (CONT).
7.
KNOWN INFO
WARNING
TEST OPTIONS
Read WARNING
Are there
on Page 2-411
CHECK ENGINE light (CEL)
Resistance test.
more than
comes ON and stay ON.
STE/ICE-R #92.
ECM supply voltage OK.
10,000 ohms
4.7 to 5.2 vdc supplied to FTS
or an open circuit measured
REASON FOR QUESTION
or TBS.
between wire 416 at engine
4.7 to 5.2 vdc supplied to OPS
Resistance less than 10,000
harness connector, terminal
or OTS.
ohms at the power harness
W1 and 439 at vehicle
DDEC ECM and engine harness
connector indicates short
harness connector MC18,
connectors OK.
between terminals where
terminal B3?
No open in engine +5 volt line.
measured.
No short in engine +5 volt line.
Repair wires 416,
POSSIBLE PROBLEMS
240, 241 and/or 439
(see schematic
Short to battery positive.
Fig 2-1 and/or 2-2) or
NO
notify DS
Maintenance.
Verify repair, go to
Step 8 of this Fault.
YES
2-410
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