Improvement of Performance and Reliability of Engine Electronic Controller

Need for electronic engine control has increased, because of high power output, high performance and the demands for drivability and low fuel consumption. As the control system has become sophisticated and important, the reliabilty has become very important, too. Nissan Motor Company has introduced a high-reliability and high-performance system which meets the current customer's demand, adopting new technology and new method for items such as circuit composition, electronic parts, print circuit board layout, parts instsllation, control specification of engine electronic control system (ECCS). The new content and the effect of new technology and method are described.