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

TM 9-2320-366-20-3

m2. FOUR CENTRAL TIRE INFLATION SYSTEM (CTIS) ECU INDICATOR LIGHTS FLASHING

INITIAL SETUP

Tools and Special Tools

Equipment Conditions

Tool Kit, Genl Mech (Item 46, Appendix C)

Engine running (TM 9-2320-366-10-1).

Goggles, Industrial (Item 15, Appendix C)

Parking brake on (TM 9-2320-366-10-1).

Gage, Tire Pressure (Item 11, Appendix C)

Wheels chocked (TM 9-2320-366-10-1).

Pan, Wash (Item 25, Appendix C)

Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C)

Materials/Parts

Soap, Laundry (Item 63, Appendix D)

START

WARNING

CAUTION

Read WARNING and

KNOWN INFO

TEST OPTIONS

CAUTION on following

Air pressure at wet tank OK.

Tire Pressure Measurement

page.

POSSIBLE PROBLEMS

REASON FOR QUESTION

Are tires free

Low tire pressure or tire

Faulty tire(s).

from leaks?

damage may cause CTIS

Faulty CTIS wheel

to shut down to

seal(s).

protect tire pressure in

Faulty kneeling

other wheels. Four

valve(s) at front

CTIS ECU indicator lights

wheel(s).

will flash.

Faulty CTIS wheel

valve(s).

Faulty air hoses from

quick release valve

YES

to affected wheel(s).

Repair wheel (para 12-2).

Faulty front axle

quick release valve.

Faulty rear axle

quick release valve(s).

Faulty rear axle

quick release valve

fittings.

Faulty intermediate

axle quick release valve

fittings.

Faulty intermediate axle

tee fittings.

Faulty front axle quick

release valve fittings.

Faulty front tee

fittings.

Faulty manifold valve

assembly delivery port

fittings.

Faulty cab floor air

hose fittings.

Faulty manifold valve

assembly.

Faulty CTIS ECU.

2-2042