【摘 要】
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一、诊断测试的基本原则 汽车发动机微机控制系统是比较复杂的系统,在诊断故障时需掌握系统的步骤和方法。发动机微机控制系统将影响发动机各种工况下的因素综合起来进行控
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一、诊断测试的基本原则 汽车发动机微机控制系统是比较复杂的系统,在诊断故障时需掌握系统的步骤和方法。发动机微机控制系统将影响发动机各种工况下的因素综合起来进行控制。在发动机工作过程中微机将采集到的信号进行分析,一旦发现信号超出范围即判断为该信号出现故障。微机判定信号的标准根据不同厂家生产的汽车有所不同,但基本遵循以下规律:
First, the basic principles of diagnostic testing Automotive engine computer control system is a more complex system, in the diagnosis of failure to master the steps and methods of the system. Engine microcomputer control system will affect the engine under various conditions combined control. In the process of engine work, the computer will analyze the collected signals, and once the signal is out of range, it will be judged that the signal is faulty. Microcomputer decision signal standard according to different manufacturers of cars are different, but basically follow the following rules:
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