Patent attributes
In an electronic control unit having a metallic control block in which a plurality of control equipments are installed, a metallic cover member fitted onto the metallic control block, and an electronic control mechanism retained between the control block and the cover member to drive the control equipments, the electronic control mechanism includes: a bus bar constituent made of a resin material and having a power electronic circuit to drive the control equipments; and a print board to control the drive of the control equipments via the bus bar constituent, the print board on which a plurality of electronic parts are mounted being fixed onto the bus bar constituent by means of a metallic fixture section and an electrically conducting section being disposed to electrically conduct the control block to the cover member to provide the same electric potential for both of the cover member and the control block.