CENTRAL TIRE INFLATION SYSTEM (CTIS) OVERSPEED INDICATOR DOES NOT OPERATE

TM 9-2320-366-20-1

e25. CENTRAL TIRE INFLATION SYSTEM (CTIS) OVERSPEED INDICATOR DOES NOT OPERATE

INITIAL SETUP

Equipment Condition

Tools and Special Tools

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

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

Batteries disconnected (para 7-57).

STE/ICE-R (Item 41, Appendix C)

Multimeter, Digital (Item 22, Appendix C)

Personnel Required

Wrench, Torque, 0-75 lb-in. (Item 90, Appendix B)

(2)

References

TM 9-4910-571-12&P

START

KNOWN INFO

TEST OPTIONS

CTIS operates normally.

Continuity Test or

POSSIBLE PROBLEMS

STE/ICE-R #91

Is continuity present

Faulty CTIS overspeed

REASON FOR QUESTION

between lighted indicator

This question eliminates

indicator lamps.

display terminals 9 and 17?

possible problems and

Faulty lighted indicator

determines where

display.

troubleshooting continues.

Faulty dashboard cable

assembly.

Faulty relay K52.

Faulty CTIS cable

assembly.

YES

Go to step 7 of this fault.

Faulty CTIS ECU.

2-420