CENTRAL TIRE INFLATION SYSTEM (CTIS) DOES NOT OPERATE (CONT)

TM 9-2320-366-20-2

e85. CENTRAL TIRE INFLATION SYSTEM (CTIS) DOES NOT OPERATE (CONT)

KNOWN INFO

TEST OPTIONS

Continuity Test or

VOLTS gage registers in green

STE/ICE-R Test #91

zone with engine running.

Is continuity present from

REASON FOR QUESTION

Circuit breaker CB40 OK.

connector P110 socket F to

FRONT BRAKE AIR and

This question eliminates

known good ground?

REAR BRAKE AIR pressure

possible problems and

gages read normal.

determines where

Air pressure switch OK.

troubleshooting continues.

Start and charging cable

assembly OK.

POSSIBLE PROBLEMS

Faulty air pressure transducer.

Faulty manifold valve

assembly.

Faulty CTIS ECU.

YES

Faulty WTEC II / WTEC III

Go to step 26 of this fault.

dashboard cable assembly.

Faulty CTIS cable assembly.

2-950

Change 2