Patent ID: 8977424
Filing Date: 2015-03-10
Classification: G06F,G07C

Abstract:
1. A fault diagnosing method carried out in association with an electronic control unit mounted on a vehicle, for reading self-diagnosis result data stored in the electronic control unit into an external diagnosing apparatus and diagnosing the vehicle for a fault, comprising: a diagnostic trouble code reading step of reading a diagnostic trouble code for identifying a faulty event from the electronic control unit into the external diagnosing apparatus; and a work guidance step of displaying a work guidance screen for guiding work depending on the read diagnostic trouble code; wherein the work guidance screen has: an overall work display area including an overall work flowchart, which is made up of a plurality of work items for identifying a faulty spot where the faulty event corresponding to the diagnostic trouble code has occurred, with a selected one of the work items being displayed in highlighted form; and a specific work display area representing specific work content corresponding to the work item that is displayed in highlighted form, the overall work display area and the specific work display area are juxtaposed to each other; the work guidance step comprises: displaying alternatives for confirming results of the work items on the work guidance screen; and if there is a next work item depending on a selected one of the alternatives, in response to the selection of the one of the alternatives, switching a highlighted display in the overall work display area from the present work item to the next work item that corresponds to the selected one of the alternatives, and displaying specific work content corresponding to the next work item in the specific work display area.