TM 9-2320-365-20-2
2-1788
NO
YES
Are manifold valve assembly
delivery port fittings free from
leaks and damage?
Soapy Water Leak Test
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
CTIS may be unable to
reach selected pressure
and two lights will flash if
air leaks from CTIS air
hoses during inflation/
deflation.
Air hoses from wet tank
to manifold valve
assembly OK.
Air compressor and
governor adjustment OK.
Wheel valves venting OK.
Manifold valve assembly
relief valve OK.
Manifold valve assembly
OK.
Quick release valves OK.
Rear axle quick
release valve fittings OK.
Front quick release valve
fittings OK.
Front tee fittings OK.
POSSIBLE PROBLEMS
Faulty manifold valve
assembly delivery port
fittings.
Faulty cab floor supply
hose fittings.
Faulty supply hoses from
quick release valve(s) to
wheel valve(s).
Faulty wheel valve filters.
Faulty electrical connections
at CTIS ECU and manifold
valve assembly.
Faulty ECU.
11.
Tighten loose air hoses.
Replace damaged air hoses
or fittings (para 23-2).
m1. TWO STEADY MODE LIGHTS ILLUMINATE ON CTIS ECU (CONT)
