在电控汽油喷射发动机上,一般都设置有微机自诊断测试系统,如果微机监测到某个传感器或有关电路和信号不良,系统发生故障,发动机的故障指示灯就发亮,故障的内容以故障代码的形式储存在微机的存储器中。在进行检修时,首先要进入自诊断测试状态,读出故障码,然后根据故障码提供的信息进行检修并 In the electronically controlled gasoline injection engine, a microcomputer self-diagnostic test system is generally provided. If the microcomputer detects a sensor or a bad circuit or signal, the system fails, the engine fault indicator light is on, and the content of the fault is faulty The form of code stored in the computer’s memory. In the maintenance, we must first enter the self-diagnostic test state, read the fault code, and then according to the code provided troubleshooting information and maintenance