TM-9-2320-365-34-1 LMTV Direct Maintenance Manual M1078 Series - Volume 1 Download
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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.