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故障现象一辆2012年产的新波罗(POLO)轿车,搭载1.6 L发动机和手自一体式自动变速器,行驶里程约为9300 km。据驾驶人反映,无法使用驾驶人侧车窗玻璃升降开关控制右前侧车窗玻璃升降。故障诊断接车后试车验证故障,接通点火开关,使用驾驶人侧车窗玻璃升降开关无法控制右前车窗玻璃升降,但能够控制其他各车窗玻璃升降;而使用右前侧车窗玻璃升降开关能正常控制右前车窗玻璃升降。查阅资料可知,该车驾驶人侧及右前侧车窗玻璃升降器电动机与车门控制单元是一体的,车门控制单元通过LIN线与中央电气电子设备(BCM)连接。于是连接VAS6150B,进入网关安装列表检查故障,发现BCM存在故障。点击进入中央
Trouble A new POLO sedan produced in 2012 with a 1.6L engine and a manual automatic transmission has a range of about 9300 km. According to the driver reflected, can not use the driver’s side window lift switch to control the right front window glass lift. Fault diagnosis After the test car to verify the fault, turn the ignition switch, use the driver’s side window lift switch can not control the right front window glass lift, but to control the other window glass lift; the use of the right front window glass lift switch Can properly control the right front window glass lift. Access to information shows that the car driver’s side and right front window regulator motor and door control unit is integrated, the door control unit through the LIN line with the Central Electrical and Electronic Equipment (BCM) connection. Then connect the VAS6150B, enter the gateway installation list to check the fault and found BCM is faulty. Click to enter the center