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Page Title:
CENTRAL TIRE INFLATION SYSTEM (CTIS) ECU INDICATES NO FAULT CODE BUT SYSTEM FAILS TO INFLATE OR DEFLATE (cont) |
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 TM 9-2320-366-20-3
m5. CENTRAL TIRE INFLATION SYSTEM (CTIS) ECU INDICATES NO FAULT CODE BUT SYSTEM
FAILS TO INFLATE OR DEFLATE (CONT)
KNOWN INFO
TEST OPTIONS
3.
Visual Inspection
Front and rear air
REASON FOR QUESTION
gages read 120 psi.
Is air present from
Air hoses and fittings
pressure protection
If air is not present from
free from leaks.
valve?
pressure protection valve,
POSSIBLE PROBLEMS
pressure protection valve
Faulty
pressure protection
is faulty.
valve.
Faulty
main air supply hose.
Faulty
CTIS manifold input
hose.
NO
Faulty
electrical system.
Replace pressure
YES
protection valve (para 11-29).
2-2114
Change 1
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