TM-9-2320-366-20-3

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 3 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-3 - Page 112 of 1396

TEST OPTIONS

KNOWN INFO

TM 9-2320-366-20-3

7.

(2-2101 Blank)/2-2102

Change 2

m3.

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

(CONT)

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.

Intermediate axle CTIS

quick release valve OK.

Rear axle CTIS quick

release valve OK.

Wheel valves OK.

Front wheel kneeling

valves OK.

POSSIBLE PROBLEMS

Faulty wheel seals.

Faulty electrical system.

Are wheel seals free from

major leaks?

REASON FOR QUESTION

Visual Inspection

Seriously damaged wheel

seals will audibly exhaust

air and cause CTIS to

shutdown with five CTIS

ECU mode lights flashing.

YES

NO

Replace wheel seals

(para 12-2).

Go to Electrical System Troubleshooting

(e85. Central Tire Inflation System (CTIS)

Does Not Operate).