TM-9-2320-366-20-2

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-2 - Page 864 of 1632

f13. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN

CODE 51 SUB CODE 10, 12, 21, 43, 45, or 65 (CONT)

TM 9-2320-366-20-2

2-1670

Change 1

KNOWN INFO

Transmission oil level OK.

Fuse OK.

Batteries OK.

Output speed sensor OK.

Turbine speed sensor OK.

POSSIBLE PROBLEMS

Faulty WTEC II TEPSS.

2.

Does off-going clutch

pressure go to 0 psi (0 kPa)

when shift is made?

WARNING

Read WARNING

on following page.

TEST OPTIONS

REASON FOR QUESTION

Clutch Pressure Test or

STE/ICE-R Test #50

If off-going clutch oil pressure

does not go to 0 psi (0 kPa)

when transmission shifts,

WTEC II TEPSS may display

main code 51 and one or more

sub codes.

Notify DS Maintenance.

YES

NO

Replace WTEC II TEPSS (para 8-2).