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Page Title:
NO DATA LINK AND LAMP CHECK OK (CONT). |
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 TM 9-2320-364-20-1
C2 NO DATA LINK AND LAMP CHECK OK (CONT).
8.
KNOWN INFO
TEST OPTIONS
Lamp check OK, no data link or
Verify repair.
Does CHECK ENGINE light
no DDEC data received.
Codes are not flashing out when
stay on longer than five
REASON FOR QUESTION
CHECK ENGINE light is
seconds?
illuminated.
If CHECK ENGINE indicator
Diagnostic request line OK.
lights for approximately five
DDEC ECM connectors OK.
seconds and then goes OUT
No open in data line.
after ENGINE switch is turned to
No short in data line.
ON position, fault has been
No short to ignition and ground.
corrected.
POSSIBLE PROBLEMS
Fault corrected.
NO
YES
Go to Fault Index
2-440
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