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Page Title:
FOUR CENTRAL TIRE INFLATION SYSTEM (CTIS) ECU INDICATOR LIGHTS FLASHING (CONT) |
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 TM 9-2320-366-20-3
TM
m2. FOUR CENTRAL TIRE INFLATION SYSTEM (CTIS) ECU INDICATOR LIGHTS FLASHING (CONT)
m2.
KNOWN INFO
TEST OPTIONS
2.
Air pressure at wet tank OK.
CTIS Wheel Seal Test
Are CTIS wheel seals
REASON FOR QUESTION
Tires OK.
POSSIBLE PROBLEMS
Four CTIS ECU indicator
free from leaks at
lights may flash if CTIS
Faulty CTIS wheel
affected wheel(s)?
wheel seal is damaged.
seal(s).
Faulty kneeling
NO
valve(s) at front
wheel(s).
Faulty CTIS wheel
valve(s).
Replace CTIS wheel
Faulty air hoses from
seal (para 10-2).
quick release valve
YES
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 intermediate
axle quick release valve
fittings.
Faulty intermediate axle
tee 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.
2-2044
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