求翻译：　　在发动机出现故障时，先对电子控制系统以外的可能故障部位予以检查。这样可避免本来是一个与电子控制系统无关的故障，却对系统的传感器、电脑、执行器及线路等进行复杂且又费时费力的检查，即真正的故障可能是较容易查找到却未能找到。比较容易的方法是发动机发生故障时，首先观察系统的故障指示灯，如果指示灯没有显示故障，则基本可以作为机械故障来进行处理。如果指示灯亮，我们就可以通过闪码来知道故障位置，进而进行相应处理。是什么意思？

Engine failure, the first fault location on the outside of the electronic control system may be examined. It can avoid that could have been a failure has nothing to do with the electronic control system, but then the system of sensors, computers, actuators and circuit complexity and because of time

正在翻译，请等待...

　　If the engine fails, to the electronic control system, other than the first may fault position to be checked. This can be avoided is a failure not associated with electronic control system, System sensor, computer, actuators and circuit for complex and time-consuming and laborious checks that real