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 742 of 1334

TM 9-2320-365-34-1

KNOWN INFO

TEST OPTIONS

Continuity Test or

STE/ICE-R Test #91

REASON FOR QUESTION

4.

NO

POSSIBLE PROBLEMS

If continuity is not present,

transmission internal wiring

harness is faulty. If continuity

is present, C3 pressure switch

is faulty.

Replace transmission internal

wiring harness (para 7-13).

YES

Replace C3 pressure

switch (para 7-8).

2-648

Change 2

c53. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN

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

(CONT)

Circuit breaker OK.

Batteries OK.

WTEC III cab transmission

harness OK.

WTEC III transmission ECU

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?