STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
TM 9-2320-363-20-1
Section 4
TROUBLESHOOTING CHARTS
D.
CHART 20 - AUXILIARY ENGINE PROTECTION #1 OR #2 ALWAYS ON
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.
C 20-1
Check Calibration
Configuration
Turn ignition on.
YES.
Go to Code 26, Step 1, pg
Plug in DDR.
3-345.255.
Select ECM input/output
configuration.
Are the correct cavities/wires
NO.
Reconfigure ECM for correct
configured for auxiliary engine
inputs.
protection?
Change 3 3-345.159
