Case 580SR Service Manual page 346

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280
Repair or
replace
Repair or
replace
SECTION 21 - TRANSMISSION
Key on power
T-LED Blinks
N-LED Blinks in phase
Select neutral and push kickdown button
(F7) open circuit: 2 red - 5 orange
All LEDs green
Perform output test - fault found? NO
NO
and OK
YES
Led 3 orange or red
YES
Check 1/2 solenoid: is
YES it faulty?
NO
YES
YES
NO
YES
NO
YES
YES
Led 5 orange or
Led 4 orange or
red
red
YES
Check the AWD/RWD
solenoid: is it faulty?
Check the high/
YES
low solenoid: is it
YES faulty?
NO
Check internal and
external wiring of
affected solenoids: are
they faulty?
NO
Replace the
powershift lever unit
3
4
5
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Non critical output
fault
Other output fault
(F8) short circuit 2
NO
red - 5 red
YES
Other LEDs are
orange
YES
YES
Proceed to
F9 or F10
YES
NO
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