Toyota Motor Corp says it will temporarily suspend production at its North American plants for several days this month as a result of parts shortages caused by the earthquake that hit Japan.The automaker Friday announced a series of one-day shutdowns, starting April 15 and ending April 25.The shutdowns will affect about 25,000 workers, but there will be no layoffs. Toyota says workers will focus on training and reviewing plant operations when production is halted.Shutdowns will total five days, except at the plant in Georgetown, Ky, where production will halt four days. That plant makes the Camry.Toyota says most of its North American engine and component plants will follow the same schedule.Toyota executive vice president Steve St Angelo says production is slowing to conserve parts.(Bloomberg)