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TRANSMISSION SYSTEM TROUBLESHOOTING (CONT) - TM-9-2320-365-34-1_159
CONTINUITY TEST - TM-9-2320-365-34-1_161
/.5tonv1-2/TM-9-2320-365-34-1 M1078 Series 2-1/2-Ton 4x4 Light Medium Tactical Vehicles (LMTV) Manual
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c1. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN
CODE 22 SUB CODE 15 (SERIAL NUMBER 6510032369 AND HIGHER)
TM 9-2320-365-34-1
2-78 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)
Materials/Parts
Wire, Elect, 50 ft (Item 94, Appendix C)
Personnel Required
(2)
References
TM 9-4910-571-12&P
1.
WARNING
CAUTION
Read WARNING and
CAUTION on
following page.
KNOWN INFO
TEST OPTIONS
Continuity Test
or
STE/ICE-R Test #91
REASON FOR QUESTION
NO
START
Is
continuity
present from
connector P119-p to
external wiring harness
31-pin connector pin V?
Faulty transmission external
wiring harness.
Faulty transmission internal
wiring harness.
Faulty transmission turbine
speed sensor.
Faulty WTEC II TEPSS.
POSSIBLE PROBLEMS
Circuit breaker
OK.
Batteries OK.
WTEC II cab transmission
harness OK.
If
continuity
is not present,
transmission external wiring
harness is faulty.
YES
Replace transmission external
wiring harness (para 6-7).
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