TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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1. Does main code 21 repeat after code has been manually cleared and throttle counts reset? CAUTION Read CAUTION on following page. START Fault corrected. NO YES TEST OPTIONS WTEC II TEPSS Reset Check REASON FOR QUESTION Main code 21 may appear on WTEC II TEPSS if voltage from TPS to WTEC II TEPSS is temporarily lost. KNOWN INFO Fuse OK. Transmission oil level OK. Batteries OK. POSSIBLE PROBLEMS Faulty WTEC II cab transmission harness. Faulty TPS cable assembly. Faulty WTEC II TEPSS. f12. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN CODE 21 AND ANY SUB CODE References TM 9-4910-571-12&P Personnel Required (2) INITIAL SETUP Equipment Conditions Engine shut down (TM 9-2320-365-10). Tools and Special Tools Tool Kit, Genl Mech (Item 44, Appendix C) Multimeter, Digital (Item 22, Appendix C) STE/ICE-R (Item 39, Appendix C) TM 9-2320-366-20-2 2-1654 Change 1