The example used for this discussion is the electronic control system in Toyota gasoline engines. ... Two problems in its signal processing circuit are highlighted and corrective methods are provided. ... The Japanese governmenta#39;s policy of stimulating domestic demand will boost the demand for truck and bus tires. The revised projection sees a 4.6% drop in original equipment tires, a 3.1% rise in supplementary and replacement tires, and a 1.1% increase in exports, compared to 1986.