| 摘要 |
PURPOSE: A trouble code display is provided to allow users to easily recognize the troubled part by displaying trouble code indicative of the troubled part of the electronic control device onto the car audio. CONSTITUTION: A trouble code display comprises a trouble display controller(50) for receiving trouble signals from a plurality of electronic control units(20) and performing trouble code communication with electronic control units through a K-line(30); and a car audio liquid crystal display(60) for displaying trouble code of the corresponding electronic control unit output through the trouble display controller. The trouble display controller includes a signal input unit for receiving trouble signals from electronic control units; a signal communication unit for applying a command for requesting trouble code to electronic control units in accordance with the trouble signals received in the signal input unit, and receiving trouble code from the corresponding electronic control unit; and a micro computer for receiving trouble signal from the signal input unit, and controlling the trouble code to be output from the signal communication unit to the car audio LCD in accordance with the internal program for indicating detailed description of the trouble electronic control unit.
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