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Section 4
TROUBLESHOOTING CHARTS
D. CHART -7 - NO DATA TO DDR (Cont’d)
STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
C 7-30
Verify Repairs
l Turn ignition off.
l Reconnect all connectors.
l Turn ignition on.
l Clear codes.
l Turn ignition off.
l Turn ignition on.
l Note status of “Check Engine”
light.
lIf “Check Engine” light does not
stay on, start engine and run
(TM 9-2320-380-10) for
1 minute or until “Check Engine”
light comes on. Stop engine.
l Read inactive codes.
DDR display reads “NO
All system diagnostics are
DATA BEING RECEIVED
complete. Review this section
FROM SYSTEM” or
from first step to find error.
"DDEC SYSTEM NOT
RESPONDING”.
Engine starts
and DDR reads
no codes.
Repairs are complete.
Engine starts,
Go to START-1, pg H-25, to
and code appears.
service codes.
I
I
H-83
TM9-2320-360-20-3
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