The Control Unit (engine Room) is made up of components including this Box Assy,relay which is the most expensive.
thirty-two components are listed in the schematic for this Pilot 2004 (4) 5dr Ex (kl,ka) Control Unit (engine Room) .
Some items from this specific schematic: Horn Assy,high, Blade Fuse,mini 10a, Grommet Relay Box, Screw Wash (m5x14).