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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
6.
Air pressure at wet tank OK.
Visual inspection
REASON FOR QUESTION
Tires OK.
Are rear axle quick release
Four CTIS ECU indicator
CTIS wheel seals OK.
valves free from constant
lights will flash if quick
Kneeling valves at front
escape of air during
release valve continually
wheels OK.
inflation sequence?
purges air.
CTIS wheel valves OK.
Air hoses from quick release
valve to affected wheels OK.
NO
Front axle quick release
valve OK.
POSSIBLE PROBLEMS
Faulty rear axle
Clean or replace rear quick
quick release valve(s).
release valve (para 12-9).
Faulty rear axle
YES
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.
2-2052
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