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故障现象一辆长城哈弗自动挡车(装配现代Hyundai Powertech生产的5R35自动变速器),累计行驶里程约为2万km,出现挂入手动模式时仪表盘挡位显示为D挡,并且自动变速器也是在D挡状态的现象。故障诊断根据故障现象分析,导致上述故障的可能原因有:自动变速器操纵机构机械故障,使换挡杆不能挂到位;TCU与自动变速器总成之间线路或线束连接器故障;TCU与自动变速器操纵机构总成之间线路或线束连接器故障;自动变速器换挡操纵机构总成上微
Symptom A Great Wall Hover automatic car (equipped with modern Hyundai Powertech 5R35 automatic transmission), the cumulative mileage of about 20,000 km, hanging into Manual mode appears when the dashboard gear display and automatic transmission is also D Block status of the phenomenon. Fault diagnosis According to the analysis of the fault phenomenon, the possible causes of the above faults are: mechanical failure of the automatic transmission control mechanism so that the shift lever can not be hung in place; the line or harness connector between the TCU and the automatic transmission assembly fails; the TCU and the automatic transmission control Assembly line between the assembly or wiring harness connector failure; automatic transmission shift control mechanism assembly micro