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 (CONT) TEST OPTIONS NO KNOWN INFO 11. Are speedometer dip switch settings correct? Visual Inspection REASON FOR QUESTION If speedometer dip switch settings are correct and speedometer does not operate or is inaccurate, speedometer is faulty. POSSIBLE PROBLEMS Water temperature gage operates correctly. Main code 13, 22, or 25 not active in pushbutton shift selector. VOLTS gage operates correctly. Vehicle is equipped with WTEC II transmission controls. WTEC II dashboard cable assembly OK. WTEC II VIM OK. WTEC II cab transmission harness OK. CTIS cable assembly OK. CTIS ECU OK. Faulty speedometer. YES Correct speedometer dip switch settings (para 7-14). Replace speedometer (para 7-14). TM 9-2320-365-20-1 2-344 Change 1