STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
TM 9-2320-363-20-1
Section 4
TROUBLESHOOTING CHARTS
D. CHART - 7 - NO DATA TO DDR (Cont'd)
C 7-30
Verify Repairs
Turn ignition off.
DDR display reads "NO
All system diagnostics are
Reconnect all connectors.
DATA BEING RECEIVED
complete. Review this section
Turn Ignition on.
FROM DATA LINK' or
from first step to find error.
Clear codes.
"DDEC SYSTEM NOT
Turn Ignition off.
RESPONDING".
Turn ignition on.
Note status of "Check Engine"
Engine starts.
Repairs are complete.
light.
and DDR reads
If "Check Engine" light does not
(no codes).
stay on, start engine and run for
1 minute or until "Check Engine"
Engine starts,
Go to START-1, pg 3-345.41.
light comes on
Stop engine.
and code appears.
Read inactive codes.
Change 3 3-345.103
