The lowest price component in this Controller parts-list fiche is the Bolt-wash.,6x16.
Some items from this specific schematic: Cont Unit, Feed Back, Timer, Radiator Fan, Stay, R., Bolt-wash.,6x16.
The Civic Wagon 4wd 1987 (h) Wgn 4wd (ka,kl) Controller consists of seven pieces with the Cont Unit, Feed Back being the most expensive.