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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).
6.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
CHECK ENGINE light (CEL)
Resistance test.
on Page 2-409
comes ON and stay ON.
STE/ICE-R #92.
ECM supply voltage OK.
4.7 to 5.2 vdc supplied to FTS
REASON FOR QUESTION
Are there more than 10,000
or TBS.
ohms or an open circuit
4.7 to 5.2 vdc supplied to OPS
Resistance less than 10,000
or OTS.
measured between wires 416
ohms at sensor connector
ECM and engine harness
indicates wire 416 is shorted to
and 452 at TBS connector,
connectors OK.
return line wire 452 or ground.
terminals A and C?
POSSIBLE PROBLEMS
Open in engine +5 volt line short
Repair wires 416
in engine +5 volt line.
and/or 452 (see
Short to battery positive.
schematic Fig 2-2) or
notify DS
NO
Maintenance.
Verify repair, go to
Step 8 of this Fault.
YES
Go to Step 4 of this
Fault.
2-408
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