论文部分内容阅读
故障现象一辆行驶里程约为13.8万km的2009款别克新君威E10轿车,客户反映该车无法起动,并且仪表盘上的侧滑灯和ABS灯常亮。故障诊断与排除接车后,试车验证故障现象,故障的确如客户所述。根据故障现象分析导致车辆无法起动的原因可能有以下几个方面:车辆防盗系统有故障:车身控制系统有故障;发动机控制系统有故障:发动机机械系统有故障。连接GDS进行检测,发现GDS无法读取车辆识别码(图1),分析认为,GDS读取的是发动机控制模块(ECM)内的车
Symptoms A model of the 2009 Buick Regal E10 sedan with a mileage of about 138,000 km, the customer reported that the car could not be started and the side slide and ABS lights on the dashboard were always on. Fault diagnosis and troubleshooting After the car, the test to verify the fault phenomenon, the fault is indeed as described by the customer. According to the failure phenomenon analysis can cause the vehicle can not be started for the following reasons: the vehicle anti-theft system is faulty: the body control system is faulty; the engine control system is faulty: the engine mechanical system is faulty. GDS connected to detect and found GDS unable to read the vehicle identification code (Figure 1), the analysis that GDS read the engine control module (ECM) within the car