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 890 of 1432

TEST OPTIONS

m3.

FIVE CENTRAL TIRE INFLATION SYSTEM (CTIS) ECU INDICATOR LIGHTS FLASHING (CONT)

KNOWN INFO

7.

Are wheel seals free from

major leaks?

TM 9-2320-365-20-2

Front and rear air gages read

120 PSI.

CTIS manifold valve vent hose

and bulkhead fitting OK.

Air hose and fittings OK.

Front axle CTIS quick

release valves OK.

Rear axle CTIS quick

release valve OK.

Wheel valves OK.

Front wheel kneeling

valves OK.

POSSIBLE PROBLEMS

Faulty wheel seals.

Faulty electrical system.

REASON FOR QUESTION

Seriously damaged wheel

seals will audibly exhaust

air and cause CTIS to

shutdown with five CTIS

ECU mode lights flashing.

Visual Inspection

YES

NO

Replace wheel seals

(para 12-2).

Go to Electrical System Troubleshooting

(e82. Central Tire Inflation System (CTIS)

Does Not Operate).

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