TEST OPTIONS
REASON FOR QUESTION
YES
Visual Inspection
m3. FIVE CENTRAL TIRE INFLATION SYSTEM (CTIS) ECU INDICATOR LIGHTS FLASHING (CONT)
Replace kneeling valve(s)
or wheel valve(s) (para 12-5).
5.
KNOWN INFO
POSSIBLE PROBLEMS
TM 9-2320-365-20-2
2-1830 Change 1
Front and rear air pressure
gages read 120 psi.
Air hose and fittings OK.
Front axle CTIS quick release
valve OK.
Rear axle CTIS quick release
valve OK.
Faulty wheel valve.
Faulty front wheel kneeling
valve.
Faulty wheel seals.
Faulty electrical system.
Are CTIS wheel valves and
front wheel kneeling valves
free from leaks and
damage?
Leaks at wheel valves and
front wheel kneeling valve(s)
that cause rapid tire deflation
will make five CTIS ECU mode
lights flash.
NO