关键词: 防盗系统；迈腾 B8L；工作过程；故障诊断方法

Abstract: With the development of science and technology, the new technology in the automobile is applied more and more widely, making the automobile have more complete functions and more complex structure, at the same time, the security and convenience of the anti-theft system to the vehicle has become higher requirements. The function and classification of Magton B8L automobile anti-theft system is analyzed, the body anti-theft system and the engine anti-theft system are introduced, and the control logic and working process of the engine anti-theft system is emphasised, as well as various phenomena in the process of signal transmission in this paper. Through a large number of tests on the real car is used to verify the theory, the cause of the problem is analyzed through the use of fault phenomenon, the automobile anti-theft system fault diagnosis methods and processes are summed up, and take a start button E378 and related line fault diagnosis for example, the process of fault diagnosis for anti-theft system is showed to provide a certain amount of train of thought of fault analysis, to provide some method reference of fault diagnosis of anti-theft system and the practical training and teaching of automobile fault diagnosis is also helped.

Key words: Anti-theft system; Magotan B8L; Working process; Fault diagnosis method