1 car fault diagnosis system
General automobiles equipped with microprocessor control unit, having a fault diagnosis system. It can be used on the vehicle driveline, the control system operating state prepared for automatic parts inspection and monitoring. When the car fails, mounted on the dashboard malfunction indicator light will flash to warn car owners might be problem, click the button, the fault code will be displayed on the dashboard. This fault signal will be simultaneously stored in memory, even if the ignition switch is turned off, troubleshooting, fault LED is off, a fault signal will remain in the memory for use by maintenance personnel to determine failures in the car. Troubleshooting, disconnect the power supply ECU 30 seconds fault code will be cleared.
Car fault diagnosis system monitors the running time of the car, even if it is a little screw loose, will be reflected in order to detect hidden dangers, to ensure the safe operation of the vehicle. In particular, the degree of electronic Hyundai continues to improve, which optimizes performance in automotive technology greatly, but also makes the car’s control systems become more complex, these complex electronic device event of a failure, it will bring great Difficulties. In order to quickly diagnose the fault position, improve maintenance efficiency, the world’s major automotive manufacturers have developed car fault diagnosis system.