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TM 9-2320-360-20-1
NOTE
·
The following chart should be used only if
DDEC troubleshooting was started on pg.
2-80 and you were referred here.
·
A false DDEC historical Code 43 may be
logged during cold starts in extremely
cold environments, -50 to -26° F (-46 to
-32° C). Typically, the CHECK ENGINE
light will come on 8 minutes after starting
and go out 2-3 minutes later. If the vehicle
has been operated under these conditions,
clear the historical codes and return the
vehicle to service.
Check coolant level at sight
glass. Sight glass will show
green when coolant level is full.
(1)
Turn ENGINE switch OFF.
(2)
Disconnect wires to Coolant Level
Sensor probe.
(3)
Remove CLS probe (para 7-10).
(4)
Wipe probe clean with a clean
rag.
(5)
Install CLS probe (para 7-10).
(6)
Turn ENGINE switch ON.
(7)
Start engine (TM 9-2320-360-10)
and run for one minute,
or until SEL comes on.
(8)
Stop engine and read historical
codes.
Change 1 229
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