FAULT DIAGNOSIS METHOD AND FAULT DIAGNOSIS DEVICE
First Claim
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 concerning the work item that is displayed in highlighted form.
2 Assignments
0 Petitions
Accused Products
Abstract
A fault diagnosis device and a fault diagnosis method read a diagnostic trouble code from an Electronic Control Unit to the fault diagnosis device, and display a work guide screen for guiding work in accordance with the read diagnostic trouble code. The work guide screen includes an entire work flowchart consisting of a plurality of work items for identifying a fault occurrence location at which the fault event corresponding to the diagnostic trouble code is caused, and includes an entire work display area in which a work item selected among the plurality of work items is highlighted and a concrete work display area in which concrete work details about the highlighted work item are indicated.
4 Citations
16 Claims
-
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 concerning the work item that is displayed in highlighted form. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A fault diagnosing apparatus connected to an electronic control unit mounted on a vehicle, for reading self-diagnosis result data stored in the electronic control unit and diagnosing the vehicle for a fault, comprising:
-
a reader for reading a diagnostic trouble code for identifying a faulty event from the electronic control unit; and a display controller for displaying on a display unit a work guidance screen for guiding work depending on the read diagnostic trouble code; wherein the display controller displays on the work guidance screen; 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 concerning the work item that is displayed in highlighted form. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
-
Specification