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TM 9-2320-364-20-3
2-2172
13. CTIS LOW AIR INDICATOR STAYS ON OVER 110 PSI (CONT).
3.
Is continuity measured on all
wires between connector MC
111 and connector MC 109?
Repair wires (see
schematic Fig 2-48) or
notify DS
Maintenance. Verify
repair, go to Step 6 of
this Fault.
YES
NO
System air pressure greater
than 110 psi (758 kPa).
LOW AIR light solid.
Pressure switch OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If wire harness is faulty LOW
AIR light will come on.
WARNING
CTIS wire harness faulty.
CTIS controller faulty.
Front manifold faulty.
Read WARNING
on Page 2-2173
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