TM-9-2320-365-20-2
M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-365-20-2 - Page 880 of 1432
m3.
FIVE CENTRAL TIRE INFLATION SYSTEM (CTIS) ECU INDICATOR LIGHTS FLASHING (CONT)
KNOWN INFO
TEST OPTIONS
Is air present from port C
on CTIS manifold valve?
2.
YES
NO
KNOWN INFO
TEST OPTIONS
YES
NO
Is CTIS air hoses and
fittings free from air leaks
during inflation mode?
3.
Replace or repair air hose
or fittings (para 2-42).
Go to Electrical System Troubleshooting
(e82. Central Tire Inflation System (CTIS)
Does Not Operate).
TM 9-2320-365-20-2
2-1824
Change 2
REASON FOR QUESTION
If air is leaking during inflation
mode, CTIS pneumatic system
is faulty.
Visual Inspection
Visual Inspection
REASON FOR QUESTION
This question eliminates
possible problems and
determines where
troubleshooting continues.
Front and rear air gages read
120 PSI.
CTIS manifold valve vent hose
and bulkhead fitting OK.
POSSIBLE PROBLEMS
Faulty air hose or fittings.
Faulty front axle CTIS quick
release valve.
Faulty rear axle CTIS quick
release valve.
Faulty wheel valve.
Faulty front wheel kneeling
valve.
Faulty wheel seals.
Faulty electrical system.
Front and rear air gages read
120 PSI.
CTIS manifold valve vent hose
and bulkhead fitting OK.
POSSIBLE PROBLEMS
Faulty air hose or fittings.
Faulty front axle CTIS quick
release valve.
Faulty rear axle CTIS quick
release valve.
Faulty wheel valve.
Faulty front wheel kneeling
valve.
Faulty wheel seals.
Faulty electrical system.
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