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TM 9-2320-360-20-1
NOTE
·
Vehicle troubleshooting must be
performed first, before attempting to
use this chart.
·
The following flow chart should only
be used if DDEC troubleshooting was
started on p. 2-80 and you were
referred here.
(1)
Turn ENGINE switch ON.
(2)
Plug in DDR into the 12-pin DDL connector.
(3)
Read throttle % at idle using the DDR.
(1)
Start engine (TM 9-2320-360-10).
(2)
Position transmission range selector to N
(neutral).
(3)
Select the PTO RPM on the DDR reader.
(4)
Position left ENGINE SPEED CONTROL
switch to HIGH ENGINE IDLE and press
PUSH TO LOCK ENGINE @ HIGH IDLE
switch Note reading on DDR.
(5)
Shut off engine (TM 9-2320-360-10).
(1)
Start engine (TM 9-2320-360-10) and
run at idle.
(2)
Using the DDR reader, make sure that
vehicle speed is less than 5 mph and %
throttle is 0.
(3)
Position left ENGINE SPEED CONTROL
switch to HIGH ENGINE IDLE and press
PUSH TO LOCK ENGINE @ HIGH IDLE
switch. Note reading on DDR and
tachograph.
Change 3 2-341
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