US Patent 7137823 Apparatus equipped with electronic control units

Each of electronic control units is configured to control electronic components in a vehicle, and is provided with a plurality of first terminals classified into a plurality of groups each of which is associated with electronic components in one of sections in the vehicle. A board has a first face on which the electronic control units are mounted. First connectors are provided on a second face of the board. Each of the first connectors has second terminals each of which is electrically connected to one of the first terminals in one of the groups in each of the electronic control units, and is configured to be connected to a wire harness extended to one of the sections in the vehicle.