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故障现象一辆奔驰E300车,装配型号为272的发动机和722.9自动变速器,行驶里程约为8万km,因仪表信息中心存在多个系统报警信息而进厂检修。故障诊断接车后试车验证故障现象,接通点火开关,起动发动机,发动机能顺利起动着机,但仪表信息中心立即依次出现“左前侧故障,请去特许服务中心”“右前侧故障,请去特许服务中心”“预防性安全系统停止运作,参见用户手册”“驻车引导功能停止运作”等一系列报警提示
Symptom A Mercedes E300 car, assembly type 272 engine and 722.9 automatic transmission, mileage of about 80,000 km, due to the instrumentation information center there are multiple system alarm information into the plant overhaul. Fault diagnosis After the test car to verify the fault phenomenon, turn on the ignition switch, start the engine, the engine can start a smooth machine, but the instrument information center immediately appear “Left front side of the fault, please go to the charter service center ” “Right front side fault , Please go to the Chartered Service Center and the preventive safety system is out of operation, see the user manual ”“ parking guidance function to stop working ”and a series of alarm tips