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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
5.
Air pressure at wet tank OK.
Visual inspection
Tires OK.
REASON FOR QUESTION
Is front axle quick release
CTIS wheel seals OK.
Four CTIS ECU indicator
valve free from constant
Kneeling valves at front
lights will flash if quick
escape of air during
wheels OK.
release valve continually
inflation sequence?
CTIS wheel valves OK.
purges air.
Air hoses from quick release
valve to affected wheels OK.
POSSIBLE PROBLEMS
NO
Faulty front axle
quick release valve.
Faulty rear axle
quick release valve(s).
Clean or replace quick
Faulty rear axle
release valve (para 12-8).
quick release valve
YES
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.
2-2050
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