TM-9-2320-365-34-1

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

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME NO. 1 OF 2

AUGUST 2005

CHANGE 2

TM-9-2320-365-34-1 - Page 204 of 1334

TM 9-2320-365-34-1

KNOWN INFO

TEST OPTIONS

Continuity Test or

STE/ICE-R Test #91

REASON FOR QUESTION

POSSIBLE PROBLEMS

4.

CAUTION

Read CAUTION

on following page.

NO

Replace transfer case

wiring harness (para 8-2).

YES

Replace WTEC II TEPSS

(TM 9-2320-365-20-3).

2-118

Change 2

c4. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN

CODE 22 SUB CODE 16 OR MAIN CODE 25 AND/OR 56 AND ANY SUB CODE (CONT)

Circuit breaker OK.

Batteries OK.

WTEC II cab transmission

harness OK.

Transmission external wiring

harness OK.

Output speed sensor OK.

Faulty transfer case wiring

harness.

Faulty WTEC II TEPSS.

Is continuity present from

output speed sensor

connector to transfer case

connector?

If continuity is not present,

transfer case wiring harness

is faulty. If continuity is

present, WTEC II TEPSS is

faulty.