TM 9-2320-365-20-2
2-1780
NO
YES
7.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
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.
Is CTIS quick release
valve(s) free from leaks
and damage?
Visual inspection
Faulty CTIS quick release
valve(s).
Faulty rear axle quick
release valve fittings.
Faulty front quick
release valve fittings.
Faulty front tee fittings.
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.
If air leaks continuously
from quick release valve(s)
during inflation or deflation,
CTIS will not select
tire pressure and two
steady mode lights will
illuminate.
Replace or clean quick
release valve(s) (para 12-8
or 12-9).
m1. TWO STEADY MODE LIGHTS ILLUMINATE ON CTIS ECU (CONT)
