CN112859819A - Automobile diagnosis system and method based on universal platform - Google Patents
Automobile diagnosis system and method based on universal platform Download PDFInfo
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- CN112859819A CN112859819A CN202110089062.4A CN202110089062A CN112859819A CN 112859819 A CN112859819 A CN 112859819A CN 202110089062 A CN202110089062 A CN 202110089062A CN 112859819 A CN112859819 A CN 112859819A
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention relates to the technical field of automobile diagnosis, in particular to an automobile diagnosis system and method based on a universal platform. The invention provides an automobile diagnosis system based on a universal platform, which comprises a diagnosis instrument and a cloud server: the cloud server is connected with the diagnostic instrument and sends vehicle information to the diagnostic instrument according to a request of the diagnostic instrument; the diagnostic instrument is connected with a vehicle to be operated through a vehicle communication interface, obtains the state and fault information of the vehicle to be operated, diagnoses the automobile fault and displays the result. The automobile diagnosis system and method based on the universal platform are suitable for various automobile types, simplify the diagnosis and updating process of the existing diagnosis instrument, enable a user to complete diagnosis or software refreshing of various automobile types without replacing automobile diagnosis equipment, manage vehicle information through the cloud server, and provide convenience for the user.
Description
Technical Field
The invention relates to the technical field of automobile diagnosis, in particular to an automobile diagnosis system and method based on a universal platform.
Background
With the increasing demand of people for automobiles, the performance requirements of Electronic Control Units (ECUs) on automobiles are also higher and higher.
In order to ensure that the ECU performance of the automobile is normal, ECU parameter calibration and diagnosis detection are required before the automobile is off-line, and if the ECU performance is not fully exerted before the automobile leaves the factory, the performance of the automobile needs to be improved through writing.
With the improvement of automobile technology, it is also necessary to update the ECU of an already sold vehicle and to diagnose a failure occurring in the ECU of the vehicle or the like.
The existing automobile diagnostic instrument equipment can only diagnose and upgrade the faults of certain automobile models, and has no universality. ECU data has various versions along with the change of automobile models, and the matching of the automobile model ECU and the vehicle information is completed in a manual mode at present, so that hidden dangers are caused by matching errors easily.
Meanwhile, the information of the automobile is not managed in a unified mode, and data are difficult to effectively utilize.
Disclosure of Invention
The invention aims to provide an automobile diagnosis system and method based on a universal platform, and solves the problems that an automobile diagnosis instrument in the prior art is poor in universality and difficult to remotely diagnose and refresh.
In order to achieve the above object, the present invention provides a vehicle diagnosis system based on a universal platform, which includes a diagnostic apparatus and a cloud server:
the cloud server is connected with the diagnostic instrument and sends vehicle information to the diagnostic instrument according to a request of the diagnostic instrument;
the diagnostic instrument is connected with a vehicle to be operated through a vehicle communication interface, obtains the state and fault information of the vehicle to be operated, diagnoses the automobile fault and displays the result.
In one embodiment, the cloud server includes a remote service platform:
the diagnostic apparatus detects the fault information of the vehicle, and sends the diagnostic fault code to the remote service platform for data statistics and management.
In one embodiment, the cloud server includes an after-sales diagnostic server:
the diagnostic instrument detects the fault information of the vehicle and sends the fault information to the after-sale diagnostic server;
and the after-sale diagnosis server carries out remote fault removal according to the input instruction.
In one embodiment, the cloud server includes an after-sales diagnostic server:
the after-sale diagnosis server sends the updated software program of the electronic control unit to the diagnosis instrument;
the diagnostic apparatus displays corresponding vehicle information based on the vehicle identification code, accurately matches the software program of the electronic control unit of the current vehicle, and automatically finishes the software program refreshing of the electronic control unit after connecting with the vehicle to be operated.
In one embodiment, the cloud server manages file data of a software program of the vehicle electronic control unit in a MySQL table manner.
In one embodiment, the cloud server includes an after-sales diagnostic server:
the after-sale diagnosis server sends the configuration code of the vehicle to the diagnosis instrument;
the diagnostic device is connected with a vehicle to be operated, and writes the configuration code of the vehicle into the replaced automobile parts based on the vehicle identification code, so that the normal functions of the replaced automobile parts are realized.
In one embodiment, the cloud server stores, manages and displays vehicle information based on a vehicle identification code;
the vehicle information includes: vehicle production information, vehicle maintenance information, LOG information, vehicle delivery time data, and offline data.
In one embodiment, the cloud server stores and manages the security key and the PIN code of the vehicle based on the vehicle identification code,
the diagnostic instrument acquires a safety key and a PIN code of a vehicle identification code corresponding to a vehicle to be operated from the cloud server.
In order to achieve the above object, the present invention provides a method for diagnosing an automobile based on a universal platform, comprising the steps of:
s1, a diagnostic instrument is connected with the vehicle to be operated through a vehicle communication interface to acquire the state and fault information of the vehicle to be operated;
s2, the cloud server sends vehicle information to the diagnostic instrument according to the request of the diagnostic instrument;
and S3, a diagnostic instrument for diagnosing automobile faults and displaying results.
In one embodiment, the cloud server comprises a remote service platform,
between the steps S1 and S2, the method further includes:
the diagnostic apparatus detects the fault information of the vehicle, and sends the diagnostic fault code to the remote service platform for data statistics and management.
In one embodiment, the cloud server comprises an after-sales diagnosis server,
the step S1, further comprising,
the diagnostic instrument detects the fault information of the vehicle and sends the fault information to the after-sale diagnostic server;
the step S2, further comprising,
and the after-sale diagnosis server carries out remote fault removal according to the input instruction.
In one embodiment, the cloud server comprises an after-sales diagnosis server,
the step S1, further comprising,
the diagnostic instrument acquires the vehicle identification code of the vehicle to be operated and sends the vehicle identification code to the after-sale diagnostic server, displays corresponding vehicle information and accurately matches the software program of the electronic control unit of the current vehicle;
the step S2, further comprising,
the after-sale diagnosis server sends the updated software program of the electronic control unit corresponding to the vehicle to the diagnosis instrument;
the step S3, further comprising,
the diagnostic instrument is connected with a vehicle to be operated and then automatically finishes the software program refreshing of the electronic control unit.
In one embodiment, the cloud server comprises an after-sales diagnosis server,
the step S1, further comprising,
the diagnostic instrument acquires a vehicle identification code of a vehicle to be operated and sends the vehicle identification code to the after-sale diagnostic server;
the step S2, further comprising,
the after-sale diagnosis server sends the configuration code of the corresponding vehicle to the diagnosis instrument;
the step S3, further comprising,
the diagnostic instrument writes the configuration code of the vehicle into the replaced automobile parts after being connected with the vehicle to be operated, and realizes the normal function of the replaced automobile parts.
The automobile diagnosis system and method based on the universal platform are suitable for various automobile types, simplify the diagnosis and updating process of the existing diagnosis instrument, enable a user to complete diagnosis or software refreshing of various automobile models without replacing automobile diagnosis equipment, manage vehicle information through the cloud server, and provide convenience for the user.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings in which like reference numerals denote like features throughout the several views, wherein:
FIG. 1 discloses a schematic diagram of a general platform based automotive diagnostic system according to an embodiment of the present invention;
FIG. 2 discloses a flowchart of a general platform based vehicle diagnostic method according to an embodiment of the present invention;
FIG. 3 discloses a flow chart of a diagnosis flash based on a Windows general platform diagnosis device according to an embodiment of the invention.
The meanings of the reference symbols in the figures are as follows:
10, a cloud server;
20 a diagnostic instrument;
30 vehicle communication interface;
40 vehicle to be operated.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides an automobile diagnosis system and method based on Windows general platform diagnosis equipment, which can carry out remote diagnosis and refresh operation on a vehicle, and realize the diagnosis or the flash operation of the vehicle through a vehicle communication interface by operating a WEB server based on Windows and a computer.
Fig. 1 discloses a schematic diagram of a general platform-based vehicle diagnostic system according to an embodiment of the present invention, and the general platform-based vehicle diagnostic system shown in fig. 1 includes a cloud server 10 and a diagnostic device 20:
the cloud server 10 is connected with the diagnostic apparatus 20, and sends vehicle information to the diagnostic apparatus according to a request of the diagnostic apparatus 20;
the diagnostic apparatus 20 is connected to the vehicle 40 to be operated through the vehicle communication interface 30, obtains the state and fault information of the vehicle to be operated, performs the vehicle fault diagnosis, and displays the result.
In the embodiment shown in FIG. 1, the general-purpose platform may be a Windows-based device platform.
In the embodiment shown in fig. 1, the diagnostic device 20 is a windows device installed with diagnostic device application software, acquires the operation authority of the vehicle 40 to be operated, provides a user operation interface, sends an operation instruction, and feeds back the vehicle diagnosis process and result display.
The diagnostic device 20, which mainly includes the application software of the diagnostic device, can be deployed on any hardware terminal of the Windows device platform without purchasing special hardware of the diagnostic device.
The diagnostic instrument application software comprises: D-Server (diagnostic service layer), OTX (diagnostic data layer); PassThru (diagnostic protocol layer) and HW-Driver (Driver).
The professional operates the vehicle to be processed 40 using the diagnostic apparatus 20 by operating a Windows-based device platform such as a computer or a tablet.
The Windows-based device platform acquires the related authority and information of the cloud server 10 in an https mode, processes the diagnosis or flash problem of the vehicle 40 to be processed in a targeted manner, displays the whole process information on an operation computer or a panel, and finally solves the problem of the vehicle 40 to be processed.
The diagnostic apparatus 20 is connected to the vehicle 40 to be operated via the VCI vehicle communication interface 30. The vehicle Communication interface 30, also called vci (vehicle Communication interface), is a dedicated vehicle Communication interface for the terminal of the vehicle 40 to be operated, and provides data support and stores data returned by the terminal of the vehicle 40 to be operated.
The vehicle 40 to be operated is a vehicle that requires repair, maintenance, or replacement.
The cloud server 10 is an enterprise platform system, and includes a plurality of servers with different functions, such as ASS (after-sales diagnosis server), DMS (distributor management system), MES (production traceability system), QES (quality management system), and TSP (remote service platform).
The cloud server 10 mainly includes diagnostic cloud service software.
The diagnosis cloud service software is all software deployed on the cloud server 10, and includes diagnosis data, an operation algorithm, and an interface program.
The diagnostic data includes vehicle data, protocol data, LOG data, and the like.
The operation algorithm includes a security algorithm, a DID (diagnostic identifier) operation, a fault code analysis operation, and the like.
Interface program, interface program between servers with different functions. Such as the interface between the MES production traceability system and the TSP remote service platform.
The universal platform diagnosis system provided by the invention can be communicated with each enterprise management platform or system due to the deployment of the cloud server 10, so that the consistency management of the full life cycle of the vehicle is ensured. Meanwhile, a diagnostic instrument is not required to be specially customized, relevant vehicle processing is realized through the cloud server 10, and the state of multiple vehicles is processed by multiple persons at the same time through a computer or a tablet device.
Further, the cloud server 10 includes a remote service platform TSP:
the diagnostic apparatus 20 detects the fault information of the vehicle, and sends the diagnostic fault code to the remote service platform TSP for data statistics and management.
The remote service platform TSP is convenient for managing DTC (diagnosis fault code) fault information, when a vehicle breaks down, the vehicle 40 to be operated uploads the DTC to the TSP through the diagnostic instrument 20, and the TSP pushes information to a call center and a quality team, so that data statistics and management of the DTC of the vehicle by enterprises are facilitated.
Further, the cloud server 10 includes an after-sales diagnosis server:
the diagnostic apparatus 20 detects the fault information of the vehicle and sends the fault information to the after-sales diagnostic server;
and the after-sale diagnosis server carries out remote fault removal according to the input instruction.
The after-sale diagnosis server can realize guided troubleshooting, and when the vehicle has a fault and dealers and maintenance stations have no troubleshooting capability, enterprises can perform remote troubleshooting through the after-sale diagnosis server.
Further, the cloud server 10 includes an after-sales diagnosis server:
the after-sale diagnosis server sends the updated software program of the electronic control unit ECU to the diagnostic instrument 20 based on the vehicle identification code;
the diagnostic apparatus 20 displays corresponding vehicle information based on the vehicle identification code, accurately matches the software program of the electronic control unit ECU of the current vehicle, and automatically completes the software program refreshing of the electronic control unit after connecting with the vehicle 40 to be operated.
The after-sale diagnosis server and the diagnosis instrument 20 can realize accurate matching of ECU software based on the vehicle identification number VIN information, and can accurately match the flash file used by the current vehicle ECU through the VIN and the software and hardware numbers of the ECU. When the ECU software of the vehicle has a new version, the version information can be issued through the after-sales diagnostic server, and the software flashing is automatically completed after the diagnostic instrument 20 is connected to the vehicle.
Further, the cloud server 10 includes an after-sales diagnosis server:
the after-sale diagnosis server sends the configuration code of the vehicle to the diagnosis instrument;
the diagnostic apparatus 20 is connected to the vehicle 40 to be operated, and writes the configuration code of the vehicle into the replaced automobile parts based on the vehicle identification code, thereby realizing the normal function of the replaced automobile parts.
The after-sales diagnostic server and the diagnostic apparatus 20 can write the vehicle configuration based on the vehicle identification number VIN information, and prevent the client from modifying the vehicle configuration at will. After the automobile parts are replaced, the configuration codes of the automobile can be remotely written into the parts, and normal functions are realized.
Further, the cloud server 10 manages file data of a software program of the vehicle electronic control unit in a MySQL table manner.
The cloud server 10 adopts a management mode of file data and a MySQL table, so that flexible collocation of each vehicle type and the ECU is facilitated, meanwhile, accurate positioning is realized when the ECU is flushed, and data error flushing is prevented.
Further, the cloud server 10 stores, manages and displays vehicle information based on the vehicle identification code;
the vehicle information includes: vehicle production information, vehicle maintenance information, LOG information, vehicle delivery time data, and offline data.
The front-end WEB of the cloud server 10 can inquire all vehicle information of the current offline, and the vehicle production information and the maintenance information are fused on a platform for enterprise personnel to inquire.
The after-sale diagnosis server and the diagnosis instrument 20 can display the detailed information of the vehicle based on the information of the vehicle identification number VIN.
The diagnostic device 20 can display all information of a specific vehicle, support VIN inquiry and offline time range inquiry, and can inquire all LOG information, vehicle delivery data and offline data of the vehicle by clicking a function key. LOG information is accurately bound with the vehicle, and multi-dimensional analysis of LOG information data is facilitated.
Further, the cloud server 10 stores and manages a security key and a PIN code of the vehicle based on the vehicle id,
the diagnostic apparatus 20 obtains the security key and the PIN code of the vehicle id corresponding to the vehicle 40 to be operated from the cloud server 10.
Fig. 2 discloses a flowchart of a general platform-based vehicle diagnosis method according to an embodiment of the present invention, and as shown in fig. 2, the general platform-based vehicle diagnosis method provided by the present invention includes the following steps:
s1, a diagnostic instrument is connected with the vehicle to be operated through a vehicle communication interface to acquire the state and fault information of the vehicle to be operated;
s2, the cloud server sends vehicle information to the diagnostic instrument according to the request of the diagnostic instrument;
and S3, a diagnostic instrument for diagnosing automobile faults and displaying results.
Furthermore, the cloud server comprises a remote service platform, and DTC (diagnosis fault code) fault information is convenient to manage.
Between the steps S1 and S2, the method further includes:
the diagnostic apparatus detects the fault information of the vehicle, and sends the diagnostic fault code to the remote service platform for data statistics and management.
Further, the cloud server, including the after-sales diagnosis server, can realize guided troubleshooting.
The step S1, further comprising,
the diagnostic instrument detects the fault information of the vehicle and sends the fault information to the after-sale diagnostic server;
the step S2, further comprising,
and the after-sale diagnosis server carries out remote fault removal according to the input instruction.
Furthermore, the cloud server comprises an after-sale diagnosis server, and can realize accurate matching and remote flashing of ECU software.
The step S1, further comprising,
the diagnostic instrument acquires the vehicle identification code of the vehicle to be operated and sends the vehicle identification code to the after-sale diagnostic server, displays corresponding vehicle information and accurately matches the software program of the electronic control unit of the current vehicle;
the step S2, further comprising,
the after-sale diagnosis server sends the updated software program of the electronic control unit corresponding to the vehicle to the diagnosis instrument;
the step S3, further comprising,
the diagnostic instrument is connected with a vehicle to be operated and then automatically finishes the software program refreshing of the electronic control unit.
Furthermore, the cloud server comprises an after-sale diagnosis server, and the configuration code of the vehicle is remotely written into the accessory based on the VIN information of the vehicle identification code, so that a normal function is realized.
The step S1, further comprising,
the diagnostic instrument acquires a vehicle identification code of a vehicle to be operated and sends the vehicle identification code to the after-sale diagnostic server;
the step S2, further comprising,
the after-sale diagnosis server sends the configuration code of the corresponding vehicle to the diagnosis instrument;
the step S3, further comprising,
the diagnostic instrument writes the configuration code of the vehicle into the replaced automobile parts after being connected with the vehicle to be operated, and realizes the normal function of the replaced automobile parts.
The following illustrates the flow of the diagnosis flash of the automobile diagnosis system based on the Windows universal platform according to the present invention.
Fig. 3 discloses a diagnostic flashing flow chart of the automobile diagnostic system based on the Windows universal platform according to an embodiment of the invention, and as shown in fig. 3, the diagnostic flashing method based on the Windows universal platform diagnostic system specifically includes the following steps:
step S101, a diagnostic apparatus scans or inputs a VIN code of a vehicle to be processed;
step S102, the diagnostic instrument acquires the required vehicle information of the vehicle to be processed from the ASS after-sale diagnostic server;
step S103, the diagnostic device reads the vehicle state and fault information through the vehicle communication interface;
step S104, the diagnostic instrument carries out maintenance, service or replacement treatment;
step S105, the diagnostic instrument checks whether the vehicle ECU needs a refreshing operation, and if so, the vehicle ECU carries out the refreshing operation;
step S106, checking whether the vehicle has other fault problems again, and if so, repeating the step S103 to the step S105; if not, the operation is quitted.
The automobile diagnosis system and method based on the universal platform are suitable for various automobile types, simplify the diagnosis and updating process of the existing diagnosis instrument, enable a user to complete diagnosis or software refreshing of various automobile models without replacing automobile diagnosis equipment, manage vehicle information through the cloud server, and provide convenience for the user.
While, for purposes of simplicity of explanation, the methodologies are shown and described as a series of acts, it is to be understood and appreciated that the methodologies are not limited by the order of acts, as some acts may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other acts from that shown and described herein or not shown and described herein, as would be understood by one skilled in the art.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.
The embodiments described above are provided to enable persons skilled in the art to make or use the invention and that modifications or variations can be made to the embodiments described above by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of protection of the present invention is not limited by the embodiments described above but should be accorded the widest scope consistent with the innovative features set forth in the claims.
Claims (13)
1. The utility model provides an automobile diagnosis system based on universal platform which characterized in that, includes diagnostic apparatus and high in the clouds server:
the cloud server is connected with the diagnostic instrument and sends vehicle information to the diagnostic instrument according to a request of the diagnostic instrument;
the diagnostic instrument is connected with a vehicle to be operated through a vehicle communication interface, obtains the state and fault information of the vehicle to be operated, diagnoses the automobile fault and displays the result.
2. The universal platform based automotive diagnostic system of claim 1, wherein the cloud server comprises a remote service platform:
the diagnostic apparatus detects the fault information of the vehicle, and sends the diagnostic fault code to the remote service platform for data statistics and management.
3. The universal platform based automotive diagnostic system of claim 1, wherein the cloud server comprises an after-sales diagnostic server:
the diagnostic instrument detects the fault information of the vehicle and sends the fault information to the after-sale diagnostic server;
and the after-sale diagnosis server carries out remote fault removal according to the input instruction.
4. The universal platform based automotive diagnostic system of claim 1, wherein the cloud server comprises an after-sales diagnostic server:
the after-sale diagnosis server sends the updated software program of the electronic control unit to the diagnosis instrument;
the diagnostic apparatus displays corresponding vehicle information based on the vehicle identification code, accurately matches the software program of the electronic control unit of the current vehicle, and automatically finishes the software program refreshing of the electronic control unit after connecting with the vehicle to be operated.
5. The universal platform based automobile diagnosis system according to claim 1, wherein the cloud server manages file data of software programs of the vehicle electronic control unit by means of MySQL tables.
6. The universal platform based automotive diagnostic system of claim 1, wherein the cloud server comprises an after-sales diagnostic server:
the after-sale diagnosis server sends the configuration code of the vehicle to the diagnosis instrument;
the diagnostic device is connected with a vehicle to be operated, and writes the configuration code of the vehicle into the replaced automobile parts based on the vehicle identification code, so that the normal functions of the replaced automobile parts are realized.
7. The universal platform based automotive diagnostic system of claim 1, wherein the cloud server stores, manages and displays vehicle information based on a vehicle identification code;
the vehicle information includes: vehicle production information, vehicle maintenance information, LOG information, vehicle delivery time data, and offline data.
8. The universal platform based automotive diagnostic system of claim 1, wherein the cloud server stores and manages a security key and a PIN code of the vehicle based on the vehicle identification code,
the diagnostic instrument acquires a safety key and a PIN code of a vehicle identification code corresponding to a vehicle to be operated from the cloud server.
9. A vehicle diagnosis method based on a universal platform is characterized by comprising the following steps:
s1, a diagnostic instrument is connected with the vehicle to be operated through a vehicle communication interface to acquire the state and fault information of the vehicle to be operated;
s2, the cloud server sends vehicle information to the diagnostic instrument according to the request of the diagnostic instrument;
and S3, a diagnostic instrument for diagnosing automobile faults and displaying results.
10. The universal platform based automobile diagnosis method according to claim 9, wherein the cloud server comprises a remote service platform,
between the steps S1 and S2, the method further includes:
the diagnostic apparatus detects the fault information of the vehicle, and sends the diagnostic fault code to the remote service platform for data statistics and management.
11. The universal platform based automobile diagnosis method according to claim 9, wherein the cloud server comprises an after-sales diagnosis server,
the step S1, further comprising,
the diagnostic instrument detects the fault information of the vehicle and sends the fault information to the after-sale diagnostic server;
the step S2, further comprising,
and the after-sale diagnosis server carries out remote fault removal according to the input instruction.
12. The universal platform based automobile diagnosis method according to claim 9, wherein the cloud server comprises an after-sales diagnosis server,
the step S1, further comprising,
the diagnostic instrument acquires the vehicle identification code of the vehicle to be operated and sends the vehicle identification code to the after-sale diagnostic server, displays corresponding vehicle information and accurately matches the software program of the electronic control unit of the current vehicle;
the step S2, further comprising,
the after-sale diagnosis server sends the updated software program of the electronic control unit corresponding to the vehicle to the diagnosis instrument;
the step S3, further comprising,
the diagnostic instrument is connected with a vehicle to be operated and then automatically finishes the software program refreshing of the electronic control unit.
13. The universal platform based automobile diagnosis method according to claim 9, wherein the cloud server comprises an after-sales diagnosis server,
the step S1, further comprising,
the diagnostic instrument acquires a vehicle identification code of a vehicle to be operated and sends the vehicle identification code to the after-sale diagnostic server;
the step S2, further comprising,
the after-sale diagnosis server sends the configuration code of the corresponding vehicle to the diagnosis instrument;
the step S3, further comprising,
the diagnostic instrument writes the configuration code of the vehicle into the replaced automobile parts after being connected with the vehicle to be operated, and realizes the normal function of the replaced automobile parts.
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