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故障现象一辆2007年产雷诺风景MPV车,行驶里程约为6.2万km。据驾驶人反映,该车左后车窗玻璃不能正常升降,电子驻车制动故障灯常亮,20 A的1N熔丝经常熔断。故障诊断接车后试车,发现仪表板上的电子驻车制动故障灯常亮;控制驾驶人侧车窗玻璃升降控制开关只能使左后车窗玻璃下降,不能使其上升,并且没有一键升降功能,而控制驾驶人侧车窗玻璃升降控制开关可正常升降其他3块车窗玻璃;控制左后车窗玻璃升降控制开关只能
Fault phenomenon An 2007 Renault landscape MPV car, mileage of about 62,000 km. According to the driver, the left rear window glass of the car can not be normally raised and lowered, and the electronic parking brake fault light is always on. The 1N fuse of 20 A often blows. Troubleshooting After taking the car to a test run, it is found that the electronic parking brake fault light on the instrument panel is always on. Controlling the driver’s side window lifter control switch only causes the left rear window glass to descend, Key lift function, and control the driver side window glass lift control switch can lift the other three windows; control of the rear left window glass lift control switch only