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Page Title:
CHECK ENGINE LIGHT (CEL) ON AND NO HISTORICAL OR ACTIVE CODES DISPLAYED ON DDR (CONT). |
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 TM 9-2320-364-20-1
A1 CHECK ENGINE LIGHT (CEL) ON AND NO HISTORICAL OR ACTIVE CODES
DISPLAYED ON DDR (CONT).
4.
KNOWN INFO
TEST OPTIONS
CEL diagnostic request line
Does CEL stay ON longer
Verify repair.
wire 451 OK.
than five seconds?
CEL driver line wire 419 OK.
Harness connectors OK.
REASON FOR QUESTION
If CEL lights for approximately
POSSIBLE PROBLEMS
five seconds and then goes
OUT after ENGINE switch is
turned to ON, Fault has been
corrected.
Fault corrected.
NO
YES
Go to Fault Index
2-154
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