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故障现象一辆2007年产速腾冠军版轿车,搭载型号为BPL的1.8T发动机和自动变速器,行驶里程约为83万km,因发动机无法起动而请求救援。故障诊断接到求援电话后,维修人员赶赴现场对车辆进行检查。接通点火开关,尝试起动发动机,起动机不转动;观察仪表盘上的指示灯,亮度很暗;按喇叭,喇叭声音沙哑;检查蓄电池正负极接线的情况,未见异常。根据上述检查结果,初步判断故障原因是蓄电池电量严重不足。用万用表测量蓄电池电压,仅为8.2 V,由此可以确定
Fault phenomenon A 2007 Sagitar Champion Edition sedan, equipped with model BPL 1.8T engine and automatic transmission, mileage of about 830,000 km, because the engine can not start and request rescue. Troubleshooting After receiving the call for help, the maintenance staff rushed to the scene to inspect the vehicle. Turn the ignition switch, try to start the engine, the starter does not rotate; indicator light on the instrument panel, the brightness is dark; horn, horn hoarseness; check the battery positive and negative wiring conditions, no exception. According to the above test results, the initial judge of the cause of the malfunction is a serious shortage of battery power. With a multimeter to measure the battery voltage, only 8.2 V, which can be determined