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) KNOWN INFO 2. TEST OPTIONS Voltage Test or STE/ICE-R Test #89 REASON FOR QUESTION Is 24 VDC present at connector PX8 pin 3? If 24 VDC is not present, wire 1546 is faulty. Water Temperature gage operates correctly. Main code 13, 22, or 25 not active in pushbutton shift selector. POSSIBLE PROBLEMS Faulty dashboard cable assembly. Faulty WTEC II VIM. Faulty WTEC II cab transmission harness. Faulty CTIS cable assembly. Faulty CTIS ECU. Faulty speedometer. YES NO WARNING CAUTION Read WARNING and CAUTION on following page. Repair wire 1546 from connector PX11 pin 3 to connector PX8 pin 3 (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). TM 9-2320-365-20-1 2-334 Change 1