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 888 of 1632

f18. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN

CODE 56

AND ANY SUB CODE

TM 9-2320-366-20-2

2-1692

Change 1

INITIAL SETUP

Equipment Conditions

Engine shut down (TM 9-2320-366-10-1).

Tools and Special Tools

Goggles, Industrial (Item 15, Appendix C)

Tool Kit, Genl Mech (Item 46, Appendix C)

STE/ICE-R (Item 41, Appendix C)

Pan, Drain (Item 24, Appendix C)

Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C)

Wrench Set, Socket (Item 51, Appendix C)

Is main code 56 logged

without main code 22 sub

code15 or 16?

1.

CAUTION

Read CAUTION

on following page.

START

Perform Transmission System Troubleshooting

(f3. WTEC II Transmission ECU Pushbutton Shift

Selector (TEPSS) Displays Main Code 22 Sub Code

15 or f4.

WTEC II Transmission ECU Pushbutton

Shift Selector (TEPSS) Displays Main Code 22 Sub

Code 16).

NO

YES

TEST OPTIONS

Visual Inspection

REASON FOR QUESTION

If main code 22 sub code 15 or

16 is logged, turbine speed

sensor, output speed sensor, or

associated circuit(s) is faulty.

Faulty output speed sensor.

Faulty transmission turbine

speed sensor.

Faulty oil pressure pump.

Faulty control valve module.

Faulty WTEC II TEPSS.

POSSIBLE PROBLEMS

KNOWN INFO

Transmission oil level OK.

Fuse OK.

Batteries OK.

Materials/Parts

Packing, Preformed (Item 197, Appendix G)

Adapter, Straight, Pipe to Tube (Item 1.2, Appendix D)

Adapter, Straight, Tube to Boss (Item 1.3, Appendix D)

Hose Assembly, Nonmetallic (Item 24.13, Appendix D)

Personnel Required

(2)

Reference

TM 9-4910-571-12&P