故障现象一辆2011年产途观车,搭载1.8 TSI发动机和手自一体变速器,行驶里程约为5.1万km。该车因左前门锁不能工作而进厂检修。故障诊断接车后试车验证故障,发现驾驶人侧门锁开关无法控制左前车门解锁和闭锁;按下遥控器上的解锁或闭锁键,驾驶人侧门锁也没有任何动作,其他车门均正常。进一 Symptoms A 2011 production car, with 1.8 TSI engine and manual transmission, mileage is about 51000 km. The car due to the left front door lock can not work into the factory maintenance. Fault diagnosis After the test car to verify the failure and found that the driver side door lock switch can not control the left front door unlock and lock; press the remote control to unlock or lock key, the driver side door lock does not have any action, the other doors are normal. Enter one