This invention is about one kind by the vehicles interior the self-diagnosis system constitution vehicles information communication network system, the department mainly contains has at least a control center, the plural number wireless signal receiver and the plural number wireless self-diagnosis system; And the plural number wireless signal receiver is the establishment nearby the path and with the control center constitution segment, transmits the received signal content material to the control center, and may constitute a wireless communication with the plural number wireless self-diagnosis system in the particular range, makes each wireless self-diagnosis system to store up the vehicle condition material the record, launches to the wireless signal receiver. Is by, this control center receives the vehicle condition material by the regional wireless signal receiver, by concentrates, and manages in own initiative the path vehicles' vehicle condition, achieves the prevention waste steam emissions control effectively.