Case 580SR Service Manual page 338

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Speed sensor test okay
YES
End
Repair
Change lever unit
If static is 0.6 - 0.8 V
or 1.3 - 1.5 V
SECTION 21 - TRANSMISSION
NO
T-LED Blinks
N-LED Blinks Slower
Select neutral and push kickdown
button:
= LED 1 red
= LED 5 orange (F2)
YES
Check wires from speed sensor CV pin A to Powershift
lever unit pin A or CV pin J to pin U, and continuity test.
NO
Does it test OK?
Check speed sensor has it failed
NO
Key on power
YES
NO
YES
= LED 1 red
NO
= LED 5 red (F3)
YES
YES
CV15 (A) CV07 (J)
100 Ω
+ 12 V
YES
Replace sensor
If static is not 0.6 - 0.8 V or
1.3 - 1.5 V
1
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No input fault
Other input fault
NO
YES
Refer to F1, F4
or F11
NO
F28371
F28370