The scan tool mode of operation allows the prescribed transfer of data within the scope of the european on - board diagnosis ( e - obd ) from and to exhaust gas influencing control units from all vehicle manufacturers 扫描工具的运作模式,允许指定的数据转移内部的范畴欧洲对车载诊断(电子的obd ) ,并以尾气影响控制单元,从各汽车制造商。