The following items are main part of this course： 1.Operation principle of the automobile engine. 2.Diagnose the structure of the automobile engine. 3.Operation method of automobile engine repair tools and testing tools. (including service manual) This course concentrates on the promotion of the students\' operation skill of all relative diagnostic equipments and the analyzing ability of diagnostic readings. which will be different from troubleshooting. Upon completion of this course, the students should be able to： 1.Perform the operation of all diagnostic equipment\'s properly. 2.Analyze the diagnostic readings with the underlying theory of engine systems correctly. 3.Read and find the materials from service manual whenever necessary. 4.Have a spirit of division of labor and mutual assistance