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TM 9-2320-364-20-3
2-1930
2. CTIS INOPERATIVE (CONT).
Heater operates indicating 24
vdc are input to circuit breaker
CB17.
System air pressure greater
than 110 psi (758 kPa).
CTIS lines and components
not leaking.
No lights illuminated on
controller.
CTIS wire harness connections
OK.
Voltage regulator OK.
CTIS protection device OK.
Circuit breaker CB17 OK.
Wire 1880 OK.
Wire 1435 faulty.
CTIS controller faulty.
Wire 1065 faulty.
Front manifold faulty.
Wire 1064 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
YES
NO
Repair wire 1435
(see schematic
Fig 2-48)
or notify DS
Maintenance.
Verify repair, go to
Step 11 of this Fault.
6.
Is continuity measured on wire
1435 at harness connector
MC35, terminals 7 and 8 and a
known good ground?
If there is no continuity on wire
1435 at harness connector
MC35, wire 1435 is faulty.
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