Symptom: a wide Accord 2.0, mileage 27500km. The owner of the reaction in a month ago, because the key to open the left front door when the central control function does not work, in a garage replacement door lock block (electric lock and mechanical lock into one). Change the work after the normal lock, but in the next month there have been two left front door lock can not open the phenomenon. These two are the owner of the door lock, adjust the driver's seat back back tilt, take a while and then press the remote control to unlock the key or press the left front door inside the central lock switch, can not make the left front door button Rose to unlock the location, but the other three doors can be unlocked, so only from the right front door off.
    Troubleshooting: the driver seat back tilt should not be unlocked with the left front door has nothing to do, maintenance workers have not found a number of test the left front door can not unlock the phenomenon. Maintenance workers suspected that the driver may have touched when the switch or button to cause this phenomenon, so repeated trial, and finally make the fault reproduce: door lift button falls, when pulling the door pull, and then press the remote control unlock key Or with the left front door inside the central lock switch to unlock the door button can not be raised to unlock the position, even if the hand up the door lift button also pull the unlock position, the door can not open. Later in the car with the key to turn the left front door lock, and many times outside the door to pull the door to open the handle.
    In order to find the cause of the fault to open the left front door trim board, first press the door button, pull the door hand pull, and then pull the door button, and sure enough to pull the button lift. In the car with the key to rotate the left front door lock and pull the door outside the handle, so that the door button to the unlocked position. Remove the lock block carefully view, did not find the card at the place, after the complex or the existence of this phenomenon. And after several tests, and finally found the problem: the lock block and the door between the handle of the hook angle is not correct, resulting in hook and lock between the friction increases, so that the door pull the pull line can not be returned, resulting in The door locks are not open.
    Remove the hook to adjust the angle, after installation work properly.
    Maintenance summary: maintenance workers in the replacement parts should pay attention to the details of the problem, and not when a simple change workers. If each job is completed self-test self-examination, pay attention to the details of the problem, it will not appear the above failure. In addition, maintenance workers to exclude occasional failures to test, read more information, think more.