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

TM 9-2320-366-20-3

m3. FIVE CENTRAL TIRE INFLATION SYSTEM (CTIS) ECU INDICATOR LIGHTS FLASHING

(CONT)

KNOWN INFO

TEST OPTIONS

Front and rear air gages read

Visual Inspection

120 PSI.

Are intermediate and rear

REASON FOR QUESTION

CTIS manifold valve vent hose

axle CTIS quick release

and bulkhead fitting OK

valves free from exhausting

If air exhausts from CTIS quick

Air hose and fittings OK.

air during inflation mode?

release valve during inflation

Front axle CTIS quick

mode, CTIS quick release valve

release valve OK.

is faulty.

POSSIBLE PROBLEMS

Faulty intermediate axle

CTIS quick release valve.

Faulty rear axle CTIS quick

release valve.

Faulty wheel valve.

Faulty front wheel kneeling

Replace intermediate or

valve.

YES

rear axle CTIS quick release

Faulty wheel seals.

valve (para 12-9).

Faulty electrical system.

2-2076

Change 2