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TM 9-2320-364-20-2
2-843
(1) Connect DDR cable to DDL
connector MC13.
(2) START engine (TM 9-2320-364-10).
(3) Fully apply brake pedal.
(4) Select R (Reverse) on shift selector.
(5) Increase engine speed to 1300
rpm.
(6) Observe TRANS CHECK light.
(a)
If TRANS CHECK light comes
ON, perform Steps (9) and (10)
below and go to Step 2 of this
Fault.
(b)
If TRANS CHECK light is not
ON, Code 15 is false. Go to
Step (7) below.
(7) Clear ATEC codes (Para 2-11).
(8) Test drive in R (Reverse) at 1300
rpm or greater to see if code
reappears.
(a)
If code did not reappear,
Code 15 was false. Perform
Steps (9) and (10) below and go
to Step 4 of this Fault.
(b)
If code appears, perform
Steps (9) and (10) below and go
to Step 2 of this Fault.
(9) Turn OFF ENGINE switch.
(10) Disconnect DDR cable from DDL
connector MC13.
DDR TEST
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts battery terminal, a direct
short may result in instant heating of tools, damage to equipment, and injury or death to personnel.
Ensure all personnel are clear of rear of truck before shifting into R (reverse). Failure to do so might
result in injury or death to personnel.
Do not exceed 2000 engine rpm. Damage to transmission could occur.
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