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TM 9-2320-364-20-3
2-2058
10. FRONT MANIFOLD CLICKS CONTINUALLY/LOW AIR LIGHT FLASHING (CONT).
7.
Is CTIS front manifold pressure
relief valve free of leaks
or damage?
Replace pressure
relief valve (Para
13-10). Verify repair,
go to Step 28 of this
Fault.
YES
NO
System air pressure greater
than 110 psi (758 kPa).
Rear manifold not clicking
continually.
CTIS harness connections
OK.
CTIS controller OK.
CTIS wire harness OK.
Air line 2993 and fittings OK.
CTIS front manifold not
leaking.
Inflate valve OK.
Front manifold pressure relief
valve faulty.
CTIS air lines, manifolds and
fittings on Axle No. 1 and No.
2 faulty.
CTIS air lines from wheel hub
to wheel valve faulty.
CTIS air lines from tire to
wheel valve faulty.
Wheel valve faulty.
CTIS hub seals faulty.
CTIS front manifold faulty.
Pressure transducer faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Audible inspection.
Visual inspection.
If front manifold pressure relief
valve is damaged or leaking,
CTIS will turn off and LOW AIR
light will flash.
WARNING
Read WARNING
on Page 2-2059
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