STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
TM 9-2320-363-20-1
Section 4
TROUBLESHOOTING CHARTS
D. CHART -2 . ENGINE CRANKS BUT WILL NOT START
NOTE: This chart is only to be used if.
1)
All basic mechanical checks and physical inspections have been performed with no problem found, and
2)
Diagnosis of DDEC-III was started at step Start-1, pg 3-345.41 and you have now been referred here
3)
Check fuel supply before starting Step C2-1.
C 2-1
Observe "Check
Engine" Light Status
Turn ignition on while observing
"Check Engine”
Go to C2-3.
the "Check Engine' Light.
Light comes on for up to
5 seconds, then goes out.
"Check Engine”
Go to C2-17.
Light does not come
on at all.
"Check Engine"
Go to C2-2.
Light comes on goes off
and comes back on or
stays on.
C 2-2
Read Active Codes
Using DDR
Plug DDR into the DDR connector.
Active codes on DDR
Follow appropriate diagnostic
Read active codes by selecting
charts for code(s) received.(See
(ACTIVE CODES on the DDR.
Table of Contents).
No codes
Go to C5-1.
Display read "NO DATA
Go to Start-6, page 3-345.45.
BEING RECEIVED FROM
DATA LINK” or DDEC
SYSTEM NOT
RESPONDING" or a
blank or random display.
C 2-3
Check if Out of Fuel
Check fuel supply.
Fuel supply okay.
Go to C2-4.
No fuel.
Refuel vehicle. May have to
prime system. Then go to
C2-30.
Change 3 3-345.63
