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

Visual Inspection

Front and rear air gages read

Is front axle CTIS quick

120 PSI.

REASON FOR QUESTION

release valve free from

CTIS manifold valve vent hose

exhausting air during

and bulkhead fitting OK.

If air exhausts from CTIS quick

inflation mode?

Air hose and fittings OK.

release valve during inflation

mode, CTIS quick release valve

POSSIBLE PROBLEMS

is faulty.

Faulty front axle CTIS quick

release valve.

Faulty intermediate axle

CTIS quick release valve.

Faulty rear axle CTIS quick

release valve.

Faulty wheel valve.

Replace front axle CTIS

Faulty front wheel kneeling

YES

quick release valve

valve.

(para 12-8).

Faulty wheel seals.

Faulty electrical system.

2-2074

Change 2