TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
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e12. SPEEDOMETER DOES NOT OPERATE OR IS INACCURATE (CONT) TEST OPTIONS Continuity Test or STE/ICE-R Test #91 REASON FOR QUESTION KNOWN INFO 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. 7. Is continuity present from WTEC II VIM connector pin H2 to WTEC II VIM connector pin M2? If continuity is not present, WTEC II VIM is faulty. YES NO Replace WTEC II VIM (para 8-6). 8. Is continuity present from connector J116 socket B2 to connector J115 socket 23 and continuity absent from connector J116 socket B2 to ground? TEST OPTIONS Continuity Test or STE/ICE-R Test #91 REASON FOR QUESTION YES NO Replace WTEC II cab transmission harness (para 7-137). KNOWN INFO 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. POSSIBLE PROBLEMS Faulty WTEC II VIM. Faulty WTEC II cab transmission harness. Faulty CTIS cable assembly. Faulty CTIS ECU. Faulty speedometer. Faulty WTEC II cab transmission harness. Faulty CTIS cable assembly. Faulty CTIS ECU. Faulty speedometer. CAUTION Read CAUTION on following page. CAUTION Read CAUTION on following page. TM 9-2320-366-20-1 2-350 Change 1 If continuity is not present from connector J116 socket B2 to connector J115 socket 23 or continuity is present from connector J116 socket B2 to ground, WTEC II cab transmission harness is faulty.