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 1396 of 1760

TM 9-2320-365-20-1

e88.

PTO DOES NOT OPERATE (CONT)

KNOWN INFO

YES

NO

TEST OPTIONS

REASON FOR QUESTION

Visual inspection

This question eliminates

possible problems and

determines where

troubleshooting continues.

Go to step 13 of this fault.

6.

Is vehicle equipped with

WTEC II transmission

controls?

2-980

Change 2

Circuit breaker OK.

Vehicle starts.

PTO OK.

PTO switch OK.

PTO cable assembly OK.

Faulty WTEC II VIM.

Faulty dashboard cable

assembly.

Faulty auxiliary panel cable

assembly.

Faulty WTEC II relay SF02.

Faulty WTEC III relay K37.

Faulty WTEC III cab

transmission harness.

Faulty WTEC III transmission

ECU.

POSSIBLE PROBLEMS