ON BOARD CHARGING AND COMMUNICATION DEVICE AND VEHICLE CHARGING AND COMMUNICATION SYSTEM

摘要

In order to prevent a PLC modem in an on board electronic control unit from being unnecessarily started up the on board charging and communication device and the vehicle charging and communication system according to the present invention include: an on board battery charged by electric power supplied from an external charging device through a charging cable; and an on board electronic control unit which has a power line communication function capable of power line communication through said charging cable between the on board electronic control unit and said external charging device by using the PLC modem. Further said on board electronic control unit has a PLC modem start up control means that starts up the PLC modem when said power line communication function is activated and does not start up the PLC modem when said power line communication function is not activated.