High specs model which auto control function in addition to setting of individual control of scramble mode that can be operated with ten kinds of standard mode and special switches is installed. A more certain control is achieved by studying the signal of a pure sensor. Auto mode controls open times of the accelerator by the automatic operation according to the situation, and achieves a smooth drive that not is with steps. The error by excessive of the ratio changing is decreased by the TTL control by a full microcomputer. Sport 3 modes that enable sharp acceleration by mild 4 modes that is appropriate for Eco 3 modes and usual running that aims at the conserve fuel cost besides two kinds of auto modes are installed. In addition, it is possible to select it from 13 modes of the scramble mode that becomes possible because it connects an optional switch in total. The safety function of reverse cancellation harness (optional) correspondence and normal return functions etc. is conventional. In addition, the function that on/off and the mode can be selected when the engine starts is installed. The black mask liquid crystal equipped with white LED 16seg is newly adopted. Open times of the accelerator before it controls with the throttle opening gauge and after it controls can be recognized by visual. The connector design is similar with old goods (In the model, a part of 12 volt wiring is separately needed).