... Protocal Tools; Diesel Diagnostic Tools;Truck Bus Scanner Launch X431 Heavy Duty launch heavy dutyProduct Introduce:DescriptionIncluding all the advantages of ... the main unit,Run X-431master software,select car by menu;when you can find the LED lights flashing ... supply. ECU or the diagnostic tool will be damaged by using incorrect connector. 2009-Support LaugugeEnglishPacking ListPartNameX-431, VOLVO ...