INFORMATION MANAGEMENT METHOD FOR STORAGE UNIT AND MAINTENANCE METHOD OF PRODUCT

摘要

PROBLEM TO BE SOLVED: To hold the stored information with high accuracy even under the presence of the possibility of crashing the information caused by using environment of parts. SOLUTION: The information stored in a first storage unit 10 attached to an engine body 102 is read out by an information reading device 31 after assembling each product and parts before shipping a completed product, and stored in a second storage unit 10 attached to an intake system module 20 and an engine controller 101 and a ROM 101a built in the engine controller 101 by an information writing device 32.