TM 9-2320-365-20-2
2-1796
NO
YES
Are electrical connectors
at CTIS ECU and at
manifold valve assembly
clean and secure?
Erratic operation of CTIS
system can often be
traced to poor electrical
connections.
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
Visual inspection
15.
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.
Manifold valve assembly
delivery port fittings OK.
Cab floor supply hose
fittings OK.
Supply hoses from quick
release valve to wheel
valves OK.
Wheel valve filters OK.
POSSIBLE PROBLEMS
Faulty electrical connections
at CTIS ECU and manifold
valve assembly.
Faulty ECU.
Clean and/or tighten
electrical connections.
Notify DS maintenance if
electrical connectors are
damaged.
Replace CTIS ECU
(para 12-6).
m1. TWO STEADY MODE LIGHTS ILLUMINATE ON CTIS ECU (CONT)
