TM-9-2320-365-20-1

M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-365-20-1 - Page 1302 of 1760

Perform Electrical System Troubleshooting

e1. Circuit Breaker Does Not Operate on

circuit breaker CB40 prior to beginning

this task.

NOTE

e82.

CENTRAL TIRE INFLATION SYSTEM (CTIS) DOES NOT OPERATE

INITIAL SETUP

Equipment Conditions

Engine shut down (TM 9-2320-365-10).

Tools and Special Tools

Tool Kit, Genl Mech (Item 44, Appendix C)

STE/ICE-R (Item 39, Appendix C)

Multimeter, Digital (Item 22, Appendix C)

Materials/Parts

Wire, Elect, 50 ft (Item 77, Appendix D)

Personnel Required

(2)

References

TM 9-4910-571-12&P

TM 9-2320-365-20-1

2-906

Change 2

NO

REASON FOR QUESTION

TEST OPTIONS

Continuity Test or

STE/ICE-R Test #91

1.

POSSIBLE PROBLEMS

KNOWN INFO

Is continuity present from

connector P110 socket T?

This question eliminates

possible problems and

determines where

troubleshooting continues.

YES

CAUTION

Read CAUTION

on following page.

START

Go to step 21 of this fault.

Faulty air pressure switch.

Faulty air pressure transducer.

Faulty manifold valve

assembly.

Faulty CTIS ECU.

Faulty start and charging cable

assembly.

Faulty WTEC II / WTEC III

dashboard cable assembly.

Faulty CTIS cable assembly.

VOLTS gage registers in green

zone with engine running.

Circuit breaker CB40 OK.

FRONT BRAKE AIR and

REAR BRAKE AIR pressure

gages read normal.