故障 排除 经验 点滴

Auto Maintenance & Repair(2016)

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Abstract
车型 江淮瑞风车(车辆型号为HFC6500A3C7V) 故障现象 接通点火开关,组合仪表上的发动机故障灯和EPC灯均不点亮,发动机防盗指示灯闪烁.起动发动机,发动机无法起动. 故障诊断 用故障检测仪(X-431)检测,无法与发动机控制系统进行通信,提示通信连接中断或点火开关未置于ON位;进入联合电子防盗系统,读得2个故障代码,分别为“B1508 IMMO验证ECM失败”和“U0100防盗器与ECM通讯中断”(图1).
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