论文部分内容阅读
一辆日产千里马轿车,出现发动机怠速不稳,动力不足的故障。根据故障现象,重点检查了点火系统和燃油喷射系统。经检查其点火系统正常,在检查燃油喷射系统时,发现第2缸喷油器不工作。断开点火开关后,拔下发动机ECU的导线侧连接器,然后再接通点火开关,将第2缸喷油器的控制线直接搭铁,可以听到第2缸喷油器动作的声音,表明第2缸喷油器及其线束良好。检查发动机ECU和其导线侧连接器的连接情况,
A Nissan Maxima sedan, the engine idling instability, lack of power failure. Based on the symptoms, the ignition system and fuel injection system were checked. After checking its normal ignition system, check the fuel injection system, found that the second cylinder injector does not work. Disconnect the ignition switch, unplug the engine ECU’s wire side connector, and then turn the ignition switch, the second cylinder injector control line directly to the iron, you can hear the sound of the second cylinder injector action, Indicates that the 2nd cylinder injector and its wiring harness are good. Check the connection of the engine ECU and its wire-side connector,