c7. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN
CODE 24 SUB CODE 12 OR 23 (PRIOR TO SERIAL NUMBER 6510032369)
TM 9-2320-365-34-1
2-140 Change 1
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-365-10).
Batteries disconnected (TM 9-2320-365-20-3).
Tools and Special Tools
Tool Kit, Genl Mech (Item 68, Appendix B)
STE/ICE-R (Item 60, Appendix B)
Multimeter, Digital (Item 34, Appendix B)
Goggles, Industrial (Item 25, Appendix B)
Wrench, Torque, 0-200 lb-in. (Item 81, Appendix B)
Wrench Set, Socket (Item 75, Appendix B)
Pan, Drain (Item 36, Appendix B)
Materials/Parts
Wire, Elect, 50 ft (Item 94, Appendix C)
Personnel Required
(2)
References
TM 9-4910-571-12&P
WARNING
CAUTION
Read WARNING and
CAUTION on
following page.
TEST OPTIONS
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
KNOWN INFO
YES
1.
NO
START
Faulty transmission external
wiring harness.
Faulty transmission internal
wiring harness.
Faulty scavenge pump
assembly.
Faulty WTEC II TEPSS.
POSSIBLE PROBLEMS
If continuity is not present,
transmission external
wiring harness is faulty.
Replace transmission external
wiring harness (para 6-7).
Is continuity present from
connector P119-a to
external wiring harness
24-pin connector pin G2?
Circuit breaker OK.
Batteries OK.
WTEC II cab transmission
harness OK.
