TM 9-2320-365-20-2
2-1812
NO
YES
Soapy Water Leak Test
Are front axle quick
release valve fittings
free from leaks and
damage?
TEST OPTIONS
REASON FOR QUESTION
CTIS may be unable to
reach selected pressure
and four CTIS ECU indicator
lights will flash if air leaks
from CTIS air hoses during
inflation/deflation sequence.
8.
KNOWN INFO
Air pressure at wet tank OK.
Tires OK.
CTIS wheel seals OK.
Kneeling valves at front
wheels OK.
CTIS wheel valves OK.
Air hoses from quick release
valve to affected wheels OK.
Front axle quick release
valve OK.
Rear axle quick release
valves OK.
Rear axle quick release
valve fittings OK.
POSSIBLE PROBLEMS
Faulty front axle quick
release valve fittings.
Faulty front tee
fittings.
Faulty manifold valve
assembly delivery port
fittings.
Faulty cab floor air
hose fittings.
Faulty manifold valve
assembly.
Faulty CTIS ECU.
Tighten loose air hoses.
Replace damaged air hose
and/or fittings (para 23-2).
m2. FOUR CTIS ECU INDICATOR LIGHTS FLASHING (CONT)
