A fuel inlet valve for a fuel tank includes a flange that is attachable to the fuel tank and a first aperture and a second aperture formed in the flange. The terminals fixed in place at a first point within insulative connector body portions. The reception unit receives reception signals acquired by reflecting the transmission signals on an object. The assembly is further provided with a second operating state where the control means are arranged to maintain the brake chopper switch continuously in the closed position. The present invention provides a production process of a heteroaryl mono- or diboron compound comprising an aromatic heterocyclic compound and a boron compound in the form of bisdiboron or pinacolate diborane in the presence of a iridium-containing catalyst and a ligand such as a bipyridyl ligand.