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TM 9-2320-364-20-3
2-2046
10. FRONT MANIFOLD CLICKS CONTINUALLY/LOW AIR LIGHT FLASHING.
INITIAL SETUP
1.
Are all CTIS connectors fully
connected?
Secure loose
connections. Verify
repair, go to Step 28 of
this Fault.
START
YES
NO
System air pressure greater
than 110 psi (758 kPa).
Rear manifold not clicking
continually.
CTIS harness connections
faulty.
CTIS controller faulty.
CTIS wire harness faulty.
Air line 2993 or fittings faulty.
CTIS front manifold damaged
or leaking.
Inflate valve faulty.
Front manifold pressure relief
valve faulty.
CTIS air lines, manifolds and
fittings on Axles No. 1 and
No. 2 faulty.
CTIS front manifold 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.
Front manifold deflate valve
faulty.
Front manifold quick release
valve faulty.
Pressure transducer faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
CTIS will not operate if a
connector is not plugged in
fully.
2-26. CENTRAL TIRE INFLATION SYSTEM (CTIS) TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
STE/ICE-R (optional) (Item 3, Appendix G)
Goggles, Industrial (Item 30, Appendix G)
Multimeter (Item 44, Appendix G)
Jumperwire
Personnel Required
Two
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
Front access cover opened,
(TM 9-2320-364-10)
CTIS front manifold cover removed, (Para 13-8)
CTIS turned on, (TM 9-2320-364-10)
Load Handling System (LHS) extended fully,
(TM 9-2320-364-10)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
WARNING
Materials/Parts
Solution, Soap (Item 86, Appendix C)
Read WARNING
on Page 2-2047
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