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 1006 of 1632

1.

CAUTION

Read CAUTION

on following page.

Fault corrected.

YES

TEST OPTIONS

WTEC III Transmission ECU

Reset Check

REASON FOR QUESTION

KNOWN INFO

TM 9-2320-366-20-2

2-1762

Change 1

f30. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE

21 AND ANY SUB CODE

START

NO

Does main code 21 repeat

after code has been

manually cleared and

throttle counts reset?

Main code 21 may appear on

WTEC III TPSS if voltage from

TPS WTEC III transmission

ECU is temporarily lost.

INITIAL SETUP

Equipment Conditions

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

Tools and Special Tools

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

Multimeter, Digital (Item 22, Appendix C)

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

References

TM 9-4910-571-12&P

Personnel Required

(2)

Faulty WTEC III cab

transmission harness.

Faulty TPS cable assembly.

Faulty WTEC III transmission

ECU.

POSSIBLE PROBLEMS

Fuse OK.

Transmission oil level OK.

Batteries OK.