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TM 9-2320-364-20-3
2-1952
2-26. CENTRAL TIRE INFLATION SYSTEM (CTIS) TROUBLESHOOTING (CONT).
4. ALL TIRES ON AXLES NO. 1 AND NO. 2 WILL NOT DEFLATE.
INITIAL SETUP
1.
Are all CTIS connectors fully
connected?
Secure loose
connections. Verify
repair, go to Step 8 of
this Fault.
START
YES
NO
Tires on Axles No. 1 and No. 2
inflate.
Tires on Axles No. 3 through
No. 5 deflate.
CTIS lines and components
not leaking.
CTIS wire harness connection
faulty.
CTIS controller faulty.
Wiring harness faulty.
Front manifold faulty.
Deflate valve solenoid faulty.
Deflate valve faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
CTIS will not operate properly if
connectors are loose or
unplugged.
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
STE/ICE-R (optional) (Item 3, 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)
CTIS front manifold cover removed, (Para 13-8)
CTIS turned on, (TM 9-2320-364-10)
Front access cover opened, (TM-9-2320-364-10)
Load Handling System (LHS) extended fully,
(TM 9-2320-364-10)
References
TM 9-2320-364-10
TM 9-4910-517-12&P
WARNING
Read WARNING
on Page 2-1953
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