TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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e12. SPEEDOMETER DOES NOT OPERATE OR IS INACCURATE  START  1.  TEST OPTIONS  Transmission Diagnostic Code  Check  REASON FOR QUESTION  This question eliminates  possible problems and  determines where  troubleshooting continues.  KNOWN INFO  POSSIBLE PROBLEMS  Is main code 13, 22 or 25  active in pushbutton shift  selector?  YES Go to step 2 of this fault.  NO  Perform transmission troubleshooting f19 or  f37 for main code 13, transmission troubleshooting  f2, f3, f4, f22, f23, or f24 for main code 22, or  transmission troubleshooting f14 or f32 for  main code 25.  Water temperature gage  operates correctly.  Main code 13, 22, or 25 active  in pushbutton shift selector.  Faulty dashboard cable  assembly.  Faulty WTEC II VIM.  Faulty WTEC II cab  transmission harness.  Faulty Central Tire Inflation  System (CTIS) cable assembly.  Faulty CTIS ECU.  Faulty speedometer.  INITIAL SETUP  Equipment Conditions  Engine shut down (TM 9-2320-365-10).  Tools and Special Tools  Tool Kit, Genl Mech (Item 44, Appendix C)  STE/ICE-R (Item 39, Appendix C)  Multimeter, Digital (Item 22, Appendix C)  Wrench, Torque, 0-75 lb-in. (Item 86, Appendix B)  Materials/Parts  Nut, Self-Locking (2) (Item 125, Appendix G)  Personnel Required  (2)  References  TM 9-4910-571-12&P  TM 9-2320-365-20-1  2-332 Change 1