TM 9-2320-365-20-2
2-1804
Soapy Water Leak Test
NO
YES
4.
Air pressure at wet tank OK.
Tires OK.
CTIS wheel seals OK.
Kneeling valves at front
wheels OK.
CTIS wheel valves OK.
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
A leak in supply hose to
affected wheel will prevent
wheel from coming to
matching pressure with all
other wheels and will cause
four CTIS ECU indicator
lights to flash.
Are air hoses and fittings
from quick release
valve to affected
wheel(s) free from leaks
and damage?
Faulty air hoses from
quick release valve
to affected wheel(s).
Faulty front axle
quick release valve.
Faulty rear axle
quick release valve(s).
Faulty rear axle
quick release valve
fittings.
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.
POSSIBLE PROBLEMS
Tighten loose air hoses.
Replace damaged air hoses
or fittings (para 23-2).
m2. FOUR CTIS ECU INDICATOR LIGHTS FLASHING (CONT)