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车型:带自动雨刮功能。故障现象:客户反映,车子行驶过程中雨刮/清洗器开关处于关闭位置的情况下,前挡风玻璃雨刮器出现间歇性自动运行的情况,故障频率不高。故障诊断:在维修前有必要先了解一下此车雨刮系统的工作原理。其工作原理(逻辑关系)如图1所示。LIN线通信发生故障时确保挡风玻璃雨刮功能正常。如果LIN线发生故障,则当雨刮/清洗器开关在关闭以外的任何
Model: with automatic wiper function. Symptom: The customer reports that the wiper / washer switch in the car is in the off position, the front windshield wiper intermittently automatic operation, the fault frequency is not high. Troubleshooting: it is necessary to understand the working principle of this car wiper system before maintenance. The working principle (logic) is shown in Figure 1. Make sure the windshield wiper is working properly when LIN line communication fails. If the LIN line fails then the wiper / washer switch is turned off any other than