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

TM 9-2320-366-20-3

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

INITIAL SETUP

Equipment Conditions

Tools and Special Tools

Engine shut down (TM 9-2320-366-10-1).

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

Kick panel removed (para 16-3).

Multimeter, Digital (Item 22, Appendix C)

Goggles, Industrial (Item 15, Appendix C)

Personnel Required

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

(2)

START

WARNING

Read WARNING

KNOWN INFO

TEST OPTIONS

on following page.

Visual Inspection

Front and rear air gages read

120 PSI.

Is CTIS manifold valve vent

REASON FOR QUESTION

hose or bulkhead fitting

POSSIBLE PROBLEMS

plugged or restricted?

If CTIS manifold valve vent

hose or bulkhead fitting is

CTIS manifold valve vent hose

plugged, CTIS system will not

or bulkhead fitting plugged or

operate correctly.

restricted.

Faulty air hose or fittings.

Faulty front axle CTIS quick

release valve.

Faulty intermediate axle

CTIS quick release valve.

Faulty rear axle CTIS quick

release valve.

YES

Go to step 2 of this fault.

Faulty wheel valve.

Faulty front wheel kneeling

valve.

Faulty wheel seals.

Faulty electrical system.

Clean CTIS manifold valve vent

hose (para 2-43).

2-2070

Change 2