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1. An in-vehicle control system mounted in a vehicle, which is connectable to a charging facility through a charging cable including a double-wire type facility-side communication line and a charging power cable connected with a facility-side terminal circuit and has a battery chargeable from the charging facility through the charging power cable, the in-vehicle control system comprising:
a double-wire type vehicle-side communication line connectable to the facility-side communication line and including three vehicle-side terminal circuits; plural electronic devices connected to the vehicle-side communication line and capable of communication through the vehicle-side communication line by using a differential voltage, the plural electronic devices including a charging control device capable of communication with the charging facility through the vehicle-side communication line and the facility-side communication line by using the differential voltage; and changeover members provided in correspondence to the three vehicle-side terminal circuits and individually validating and invalidating the three vehicle-side terminal circuits, respectively, wherein the changeover members validate two of the three vehicle-side terminal circuits and invalidate a remaining one of the three vehicle-side terminal circuits, when the facility-side communication line is disconnected from the vehicle-side communication line, and the changeover members validate one of the three vehicle-side terminal circuits and invalidate remaining two of the three vehicle-side terminal circuits, when the facility-side communication line is connected to the vehicle-side communication line. |
