WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN CODE 57 AND ANY SUB CODE

TM 9-2320-366-20-2

f10. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN

CODE 57 AND ANY SUB CODE

INITIAL SETUP

Equipment Conditions

Materials/Parts

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

Packing, Preformed (Item 197, Appendix G)

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

Tools and Special Tools

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

Goggles, Industrial (Item 15, Appendix C)

Hose Assembly, Nonmetallic (Item 24.13, Appendix D)

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

Personnel Required

Multimeter, Digital (Item 22, Appendix C)

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

(2)

Pan, Drain (Item 24, Appendix C)

References

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

Wrench Set, Socket (Item 51, Appendix C)

TM 9-491-571-12&P

START

WARNING

CAUTION

Read WARNING and

CAUTION on

KNOWN INFO

TEST OPTIONS

following page.

Clutch Pressure Test or

Transmission oil level OK.

STE/ICE-R Test #50

Fuse OK.

Is zero pressure present

REASON FOR QUESTION

Batteries OK.

on C3 clutch when shift

WTEC II cab transmission

If there is pressure to C3 clutch

is made into affected range?

harness OK.

when shift is made, DS

Transmission external wiring

Maintenance needs to be

harness OK.

notified.

POSSIBLE PROBLEMS

Faulty control valve module.

Faulty WTEC II TEPSS.

Faulty C3 pressure switch.

YES

Notify DS Maintenance.

2-1640

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