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Vehicle configuration identification and diagnosis method and vehicle diagnosis instrument

A technology of vehicle configuration and diagnosis method, which is applied in the field of vehicle diagnosis and can solve problems such as wrong selection and inability to diagnose

Inactive Publication Date: 2020-10-23
北京一雄信息科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a vehicle configuration identification and diagnosis method and a vehicle diagnostic instrument, which can solve the problem of inability to diagnose caused by wrong selection when selecting a version based on experience

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  • Vehicle configuration identification and diagnosis method and vehicle diagnosis instrument

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Embodiment Construction

[0017] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0018] see figure 1 , the vehicle configuration identification and diagnosis method provided by the present invention comprises the following steps:

[0019] S11, identifying the voltage condition of the vehicle diagnostic seat and transmitting it to the host computer.

[0020] S12. Obtain a version reading command obtained by the host computer according to the matching of the communication mode and the baud rate, wherein the communication mode and the baud rate are judged by the host computer according to the voltage condition.

[0021] S13, according to the version returned by the vehicle, perform intelligent matching with the tag of the diagnosis resource.

[0...

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Abstract

The invention provides a vehicle configuration identification and diagnosis method and a vehicle diagnosis instrument. The method comprises the steps: identifying voltage condition of a vehicle diagnosis base and transmitting the voltage condition to an upper computer; obtaining a version reading command obtained by the upper computer according to the matching of the communication mode and the Baud rate, the communication mode and the Baud rate being judged by the upper computer according to the voltage condition; and according to the version replied by the vehicle, carrying out intelligent matching with the mark of the diagnosis resource. According to the vehicle configuration identification and diagnosis method and the vehicle diagnosis instrument provided by the invention, the problem that diagnosis cannot be performed due to selection errors when versions are selected according to experience can be solved.

Description

technical field [0001] The invention relates to the technical field of vehicle diagnosis, in particular to a vehicle configuration identification and diagnosis method and a vehicle diagnostic instrument. Background technique [0002] In the field of automotive diagnostics, due to the different diagnostic methods and diagnostic protocols of the electronic control systems configured by each OEM, even the different versions of the electronic control unit diagnostic protocols of the same electronic control manufacturer are not the same. Therefore, when performing vehicle diagnostics, first It is necessary to know which manufacturer's electronic control unit is currently equipped with the vehicle, and even which version number can be correctly diagnosed. The electronic control unit includes engine, post-processing, anti-lock brakes and other electronic controls configured on the car. [0003] The current method of obtaining electronic control information is to obtain the vehicle...

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Application Information

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IPC IPC(8): G05B23/02
CPCG05B23/0213G05B2219/24065
Inventor 姚峰军张彦杰蔡超郭敬元敦莹
Owner 北京一雄信息科技有限公司