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 1390 of 1760

TM 9-2320-365-20-1

e88.

PTO DOES NOT OPERATE (CONT)

KNOWN INFO

YES

NO

TEST OPTIONS

REASON FOR QUESTION

Is 24 VDC present at

connector P904-5?

Voltage Test or

STE/ICE-R Test #89

3.

WARNING

Read WARNING

on following page.

Circuit breaker OK.

Vehicle starts.

PTO OK.

POSSIBLE PROBLEMS

If 24 VDC is not present, wire

1925 is faulty.

Repair wire 1925 (para 2-40) or replace

auxiliary panel cable assembly (all models

except M1079 w/o winch) (para 7-49).

2-974

Change 2

Faulty auxiliary panel cable

assembly.

Faulty PTO switch.

Faulty dashboard cable

assembly.

Faulty PTO cable assembly.

Faulty WTEC II VIM.

Faulty WTEC II relay SF02.

Faulty WTEC III relay K37.

Faulty WTEC III transmission

ECU.