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 240 of 1334

TM 9-2320-365-34-1

KNOWN INFO

TEST OPTIONS

Continuity Test or

STE/ICE-R Test #91

REASON FOR QUESTION

4.

POSSIBLE PROBLEMS

YES

Replace transmission internal

wiring harness (para 7-13).

NO

Replace C3 pressure

switch (para 7-8).

2-154

Change 2

c8. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN

CODE 32 AND/OR 57 AND ANY SUB CODE (SERIAL NUMBER 6510032369 AND HIGHER)

(CONT)

Circuit breaker OK.

Batteries OK.

WTEC II cab transmission

harness OK.

WTEC II TEPSS OK.

Transmission external wiring

harness OK.

Faulty transmission internal

wiring harness.

Faulty C3 pressure switch.

Is continuity present from

internal wiring harness

31-pin connector pin X to

internal wiring harness

connector C3 pin 3A?

If continuity is not present,

transmission internal wiring

harness is faulty. If continuity

is present, C3 pressure switch

is faulty.