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TM 9-2320-364-20-3
2-2796
19. CRANE HIGH IDLE NOT WORKING (CONT).
12.
Is there continuity on wire
231 between relay R22,
terminal 85 and connector
MC50, terminal E?
Repair wire 231
(see schematic
FO-1) or notify DS
Maintenance.
Verify repair, go to
Step 19 of this Fault.
YES
NO
Crane operates.
Red wire from terminal 17 to
relay OK.
Green wire from relay to
ground OK.
Black wire from terminal 3 to
relay OK.
Relay OK.
Blue wire from relay to
diode OK.
Diode OK.
Red wire from diode to HIGH
IDLE switch OK.
Green jumper wire on HIGH
IDLE switch OK.
HIGH IDLE switch OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If wire 231 is loose or faulty,
relay R22 will not be grounded.
WARNING
Wire 231 faulty.
Relay R22 faulty.
Black wire from power switch to
HIGH IDLE switch faulty.
HIGH IDLE switch faulty.
Green wire from HIGH IDLE
switch to terminal 17 faulty.
White wire from terminal 17 to
crane connector faulty.
Wire 1737 faulty.
Read WARNING
on Page 2-2797
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