CN108733029A - A kind of vehicle remote diagnosis system and method - Google Patents
A kind of vehicle remote diagnosis system and method Download PDFInfo
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- CN108733029A CN108733029A CN201810548448.5A CN201810548448A CN108733029A CN 108733029 A CN108733029 A CN 108733029A CN 201810548448 A CN201810548448 A CN 201810548448A CN 108733029 A CN108733029 A CN 108733029A
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- remote diagnosis
- vehicle
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- fault message
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- 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
Abstract
The present invention relates to car networking field more particularly to a kind of vehicle remote diagnosis system and methods.The vehicle remote diagnosis system includes car-mounted terminal and remote diagnosis server.The car-mounted terminal includes diagnosis request reception unit, fault message feedback unit, gateway and T-Box, the diagnosis request reception unit is for receiving diagnosis request, the fault message feedback unit is for feeding back fault message, the gateway is used to send the fault message that diagnosis asks and obtains feedback, and the T-Box is used for transmission fault message to remote diagnosis server.The present invention is using gateway as diagnosis terminal, T-Box makes transmitting device, ensure that the stability of T-Box operations, while secure access verification together is added between T-Box and gateway, so that needing to verify by T-Box and gateway twice when external transmission instruction, the safety of vehicle network is improved.
Description
Technical field
The present invention relates to car networking field more particularly to a kind of vehicle remote diagnosis system and methods.
Background technology
Vehicle remote fault diagnosis system is the novel fault diagnostic mode proposed in recent years, automobile can be made to pass through channel radio
Letter connection sends diagnostic trouble code from the electronic control module of automobile to an analysis center, realizes the remote failure of automobile
Diagnosis.The remote fault diagnosis of automobile can detect and feed back vehicle-state, be convenient for the repair and nursing of vehicle.
In the prior art, entire remote failure diagnosis system includes VMS entire car controllers and by CAN bus and VMS
The onboard diagnostics terminal of entire car controller communication, VMS entire car controllers acquire complete vehicle fault information, and onboard diagnostics terminal passes through
CAN bus reads the fault message of entire car controller acquisition, and network-feedback to backstage is supervised by radio communication by fault message
Control service unit.
It is substantially in new energy vehicle and is used as onboard diagnostics terminal with T-Box.For new energy vehicle, T-Box
As intelligent vehicle mounted terminal, the function of undertaking vehicle and external network data transmission is also needed to, if eventually using it as diagnosis
End, T-Box just need to undertake data transmission and diagnosis terminal function simultaneously, and proposing bigger to its memory, stability etc. wants
It asks.Therefore, cause T-Box break down probability will bigger, once T-Box, which breaks down, will influence data transmission and data
The critical functions such as upload.
If T-Box is as diagnosis terminal, only there are one network security barriers with external world's communication, once from outside
T-Box has been broken through in the attack of network, and external network can directly acquire controller information, and be controlled by being sent to controller
Instruction achievees the purpose that control vehicle.Therefore, it is provided only with a network security barrier so that the internet security of vehicle compares
Low, internet security influences the drive safety of vehicle in turn, and the safety of vehicle is caused to be unable to get guarantee.
Invention content
It is poor and dangerous as diagnosis terminal stability that the technical problem to be solved by the present invention is to T-Box.In order to solve such as
The technical problem, the present invention propose a kind of vehicle remote diagnosis system and method.The present invention is specifically with following skill
What art scheme was realized：
The first aspect of the invention proposes a kind of vehicle remote diagnosis system, the system comprises car-mounted terminal and far
Journey diagnosis server；
The car-mounted terminal includes gateway and T-Box, the gateway for obtain diagnostic instruction, send diagnosis request and
The fault message of feedback is obtained, the T-Box is used to obtain diagnostic instruction and is transferred to gateway, and obtains fault message and pass
It is defeated to arrive remote diagnosis server.The T-Box can also transmission fault information to user.
Secure access verification is equipped between the gateway and T-Box.Therefore when user sends diagnostic instruction or control refers to
It needs to get to each controller by gateway and the secure access verification of T-Box twice when enabling.
The remote diagnosis server includes memory module, study module, control module and communication module, the storage mould
Block is for storing breakdown maintenance scheme, and the study module is for updating breakdown maintenance scheme, and the control module is for calling
Breakdown maintenance scheme, the communication module is for obtaining fault message and sending breakdown maintenance scheme.
The user terminal includes mobile phone terminal and computer end, and user sends diagnostic instruction to T-Box simultaneously by user terminal
It is fed back.After user terminal obtains fault message, user can understand situation of remote by cell phone application or computer end, look into
Ask vehicle failure code, analyzing failure cause.
Further, the vehicle remote diagnosis system further includes manual service platform, and the manual service platform is used for
Assist remote diagnosis server handling failure information.The communication module is additionally operable to send fault message to manual service platform simultaneously
Obtain the breakdown maintenance scheme of manual service platform feedback.The breakdown maintenance scheme and this failure that manual service platform is made are believed
Breath can all store in remote diagnosis server.
Further, the car-mounted terminal further includes fault pre-alarming unit, and the fault pre-alarming unit is for monitoring in real time
Vehicle-state, and by abnormal state information and fault information reporting remote diagnosis server.
Further, the manual service platform has virtual image module, and the virtual image module is for establishing event
Hinder model.After obtaining the fault message that remote diagnosis server is sent, virtual reality skill can be utilized according to fault message
Art is restored on fault model, the reason of generation so as to preferably failure judgement.
When remote diagnosis server cannot solve the failure described in fault message, remote diagnosis server can contact
Manual service platform, request technology expert assist.After technical specialist assists to solve failure, remote diagnosis server
The breakdown maintenance scheme of manual service platform transmission can be obtained, and fault message and breakdown maintenance scheme are stored in storage
In module, the database of rich remote diagnosis server.
Further, the car-mounted terminal further includes the automatic unit of seeking help of collision, and the automatic unit of seeking help of collision is used for
After severe crash occurs for vehicle help information is sent to remote diagnosis server.
Further, the car-mounted terminal further includes maintenance reminding unit, and the maintenance reminding unit is for reminding user
Vehicle is maintained.In addition, in vehicle operation, it is prominent can also to judge whether vehicle has to the real time monitoring of vehicle condition
Hair-like condition, and reported to user feedback fault pre-alarming.
The second aspect of the invention proposes a kind of vehicle remote diagnosis method at remote diagnosis server end, the side
Method includes：
The fault message that T-Box is sent is obtained, and according to fault message, retrieves corresponding breakdown maintenance scheme；
When retrieving corresponding breakdown maintenance scheme, calls the breakdown maintenance scheme and be sent to user terminal；
When not retrieving corresponding breakdown maintenance scheme, fault message is sent to manual service platform, obtains artificial clothes
The breakdown maintenance scheme for platform feedback of being engaged in, and the breakdown maintenance scheme is sent to user terminal.
Further, after this breakdown maintenance terminates, remote diagnosis server stores this fault message and failure
Maintenance program.After technical specialist assists to solve failure, remote diagnosis server can obtain the transmission of manual service platform
Breakdown maintenance scheme, and fault message and breakdown maintenance scheme are stored in memory module, rich remote diagnostic service
The database of device.
The third aspect of the invention proposes a kind of vehicle remote diagnosis method, the method includes：
Obtain diagnostic instruction；
After carrying out secure access verification with gateway, the diagnostic instruction is sent to gateway so that gateway refers to the diagnosis
Order is sent to controller；
After the fault message that gateway obtains controller feedback, the fault message that gateway is sent is received；
The fault message is sent to remote diagnosis server so that remote diagnosis server can be obtained and be sent described
Breakdown maintenance scheme is to user terminal.
Further, when a vehicle is in a collision, collision information is obtained, sends diagnostic instruction to gateway, and obtain gateway
The fault message of the controller feedback of transmission, help information is sent to remote diagnosis server.
When a vehicle is in a collision, gateway sends diagnosis to controller and asks and obtain the fault message that controller is fed back,
Collision seeks help unit to T-Box transmission help informations automatically, and fault message and help information are sent to remote diagnosis and taken by T-Box
Business device.When vehicle has occurred severe crash and can not move, remote diagnosis server is obtaining fault message and help information, sentences
When disconnected vehicle can not move, by the collected vehicle position information of the locating module of vehicle, the position of vehicle is sent to and is rescued
It helps, and helps to call rescue.
Further, it can be protected according to the vehicle maintenance record and time maintenance period, T-Box of car-mounted terminal storage
Prompting message is supported, user is reminded periodically to carry out vehicle maintenance.When needing to be maintained, letter is reminded in T-Box forwarding maintenances
Breath reminds user to need to maintain vehicle.
When further, in vehicle operation, the real-time monitoring information of vehicle-state, institute are sent to remote diagnosis server
It includes abnormal state information and fault message to state real-time monitoring information；
Obtain the fault pre-alarming report that remote diagnosis server is sent.
The remote diagnosis server obtains the real-time monitoring information of vehicle-state, according to vehicle in real-time monitoring information
Abnormal state information and fault message, remote diagnosis server generate fault pre-alarming report and feed back to user.User can receive
Fault pre-alarming is reported, and judges whether vehicle condition is suitable for being continuing with according to fault pre-alarming report.
Using above-mentioned technical proposal, a kind of vehicle remote diagnosis system and diagnostic method of the present invention have as follows
Advantageous effect：
1) for the present invention using gateway as car-mounted terminal, T-Box is only used as data transfer component.Vehicle-mounted examine is undertaken by gateway
Disconnected function, ensures the stability and reliability of T-Box operations；
2) present invention increases secure access verification between gateway and T-Box, improves the network security of vehicle；
3) present invention is provided with remote diagnosis server, and remote diagnosis server can obtain fault message and according to failure
Information provides long-distance service auxiliary, is repaired to vehicle convenient for user oneself or maintenance store personnel, reduces after cost.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of vehicle remote diagnosis system provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of vehicle remote diagnosis method provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained without making creative work it is all its
His embodiment, shall fall within the protection scope of the present invention.
Embodiment 1：
A kind of vehicle remote diagnosis system is provided in the embodiment of the present invention, as shown in Figure 1, the vehicle remote diagnosis system
System includes car-mounted terminal and remote diagnosis server, and the car-mounted terminal includes gateway and T-Box.
The gateway is used to obtain diagnostic instruction, sends the failure that controller feedback was asked to controller and obtained in diagnosis
Information, gateway is as diagnosis terminal, additionally it is possible to store the fault message, and fault message is sent to T-Box；
The T-Box is data transmission device, and the diagnostic instruction for obtaining user's transmission is simultaneously sent to gateway, is additionally operable to
It obtains the fault message that gateway transmits and is sent to remote diagnosis server, the fault message is transferred to remotely by T-Box
Diagnosis server, or it is sent to user.
Secure access verification is equipped between the gateway and T-Box.Therefore when user sends diagnostic instruction or control refers to
It needs to get to each controller by gateway and the secure access verification of T-Box twice when enabling, improves vehicle network security.
The user terminal includes mobile phone terminal and computer end, and user sends diagnostic instruction to T-Box simultaneously by user terminal
It is fed back.After user terminal obtains fault message, user can understand situation of remote by cell phone application or computer end, look into
Ask vehicle failure code, analyzing failure cause.
The remote diagnosis server is for obtaining the fault message that T-Box is transmitted, by calling database or manually
The mode of service obtains breakdown maintenance scheme, and the breakdown maintenance scheme is fed back to mobile phone terminal and computer end, instructs user
Or local maintenance personal solves failure.The remote diagnosis server provides long-range for managing automobile failure diagnosis network
Shared, realization remote failure intelligent diagnostics and the expert assistance of diagnostic data.
Either maintenance personal can check failure to user by APP softwares on mobile phone terminal or using computer terminal
Information repairs after understanding fault condition, or obtains the breakdown maintenance scheme of remote diagnosis server, with reference to breakdown maintenance
Scheme repairs.
The remote diagnosis server has memory module, study module, control module and communication module.The storage mould
Block is for storing breakdown maintenance scheme.The study module is used for using intelligent diagnostics algorithms such as neural network, genetic algorithms, complete
The maintenance program of kind memory module storage.The control module is used to call the breakdown maintenance scheme of storage, the communication module
For obtaining the fault message and contact technical specialist's progress artificial assistance that T-Box is sent.
It is connected by CAN bus between the gateway and each controller.The gateway is controlled by CAN ALCL Assembly Line Communication Links
The fault message of device feedback.
User sends diagnostic instruction by terminal devices such as mobile phone or computers to T-Box, is passing through T-Box and gateway two
After road secure access verification, gateway obtains diagnostic instruction from T-Box.Gateway sends diagnosis request, request control to controller
Device self diagnosis obtains being sent to mobile phone terminal, computer end and remote by T-Box wireless communications after the fault message of controller feedback
Journey diagnosis server.Remote diagnosis server generates breakdown maintenance scheme according to fault message, and mode will by radio communication
Breakdown maintenance scheme is sent to mobile phone terminal or computer end, and user or local maintenance personal is instructed to carry out the solution of failure.
When remote diagnosis server can not solve fault message, it can be sent and be assisted to technical specialist by communication module
Information.When technical specialist provides assistance, virtual reality technology can be introduced, threedimensional model simulated failure is established, in order to special
Family is diagnosed.
The vehicle remote diagnosis system further includes locating module, and the locating module is used to obtain the position letter of vehicle
Breath provides accurate location information when vehicle failure needs alarm.
The vehicle remote diagnosis system further includes that the automatic unit of seeking help of collision starts after severe crash occurs for vehicle
The automatic unit of seeking help of collision, feeds back to gateway, the help information includes the location information of vehicle by help information.T-Box is sent out
Send diagnostic instruction to gateway, gateway is sent to controller to be diagnosed request and is fed back, gateway transmitting feedback information to T-Box,
T-Box uploads help information and Feedback failure information, and remote diagnosis server obtains help information and according to Feedback failure information
Judge vehicle's current condition, when vehicle can not move, according to the location information in help information, aid agency asks to road
It helps, and relevant information is sent to the mobile phone of user.
The vehicle remote diagnosis system further includes maintenance reminding unit, and the maintenance reminding unit can record to be used each time
Time of the family to vehicle maintenance.When detect user for a long time vehicle is not maintained, to judge that vehicle breaks down
Probability it is relatively high when, maintenance reminding unit remind user need to maintain vehicle.
The vehicle remote diagnosis system further includes fault pre-alarming unit, and the fault pre-alarming unit is for monitoring vehicle in real time
State, and by abnormal state information and fault information reporting remote diagnosis server, the abnormal state information and failure letter
The failure for not interfering with vehicle operation in the short time for belonging to smaller is ceased, but user is needed to enhance your vigilance.Remotely examine
After disconnected server receives the information that fault pre-alarming unit reports, generates fault pre-alarming report and be sent to user, user can root
The abnormality and fault condition for understanding vehicle are reported according to fault pre-alarming.User can report according to fault pre-alarming understands vehicle in time
Current operating status avoids that more serious failure occurs.
For the present invention using gateway as diagnosis terminal, T-Box is only used as data transfer component.Onboard diagnostics is undertaken by gateway
Function, T-Box carry out two-way communication with gateway, and after gateway carries out safety verification success, T-Box can obtain verification letter
Breath ensures the stability and reliability of T-Box operations.Increase secure access verification between gateway and T-Box, is vehicle and outside
One of network security barrier is increased between network again, such external network sends diagnosis or control instruction, it is necessary to pass through
T-Box and the secure access verification of gateway twice get to each controller, improve vehicle network security.
Remote diagnosis server is arranged in the present invention, and remote diagnosis server can be assisted with long-distance service, user or repair
The personnel in shop can repair according to the guidance of remote diagnosis server come oneself, reduce after cost.After failure occurs, pass
System settling mode needs specialized maintenance personnel to scene, and carries professional equipment and carry out fault detect and handle or be sent to vehicle
Notified body repairs, not only wasting manpower and material resources, but also increases after cost；The present invention can be sent after failure generation to gateway
Diagnostic instruction is sent to mobile phone terminal, electricity after being fed back by gateway requests controller failure information by T-Box wireless communications
Brain end, remote fault diagnosis service centre；Service centre generates maintenance program, and mode by radio communication according to fault message
It is sent to mobile phone terminal or computer end, user or local maintenance personal is instructed to carry out failure solution.
Embodiment 2：
A kind of method of vehicle remote diagnosis is provided in a feasible embodiment of the invention.As shown in Fig. 2, the side
Method includes：
S1. user sends diagnostic instruction to car-mounted terminal, and the T-Box on car-mounted terminal is instructed.
S2. it is described after the gateway on the T-Box and the car-mounted terminal on the car-mounted terminal is by having secure access to verification
Gateway obtains diagnostic instruction.
S3. gateway sends diagnosis request to Assign Controller, and obtains the fault message of controller feedback, sends failure letter
Cease T-Box.
S4.T-Box obtains the fault message that gateway is sent, and fault message is sent to mobile phone terminal, computer terminal and remote
Journey diagnosis server.
S5. remote diagnosis server calls breakdown maintenance scheme corresponding with fault message, when remote diagnosis server
When lane database does not have corresponding breakdown maintenance scheme, fault message is sent to manual service platform, contact technical specialist carries out
Artificial assistance after manual service platform solves fault message, sends breakdown maintenance scheme to remote diagnosis server.
S6. remote diagnosis server sends breakdown maintenance scheme to user.
User can use cell phone application that can also send diagnostic instruction by computer end and receive repair solution.
Further, when a vehicle is in a collision, gateway sends diagnosis request to controller and obtains what controller was fed back
Fault message, collision seek help unit to T-Box transmission help informations automatically, and fault message and help information are sent to by T-Box
Remote diagnosis server, the help information include the location information of vehicle.Severe crash, which has occurred, in vehicle to move
When, remote diagnosis server is obtaining fault message and help information, when judging that vehicle can not move, passes through the appeal letter of vehicle
The position of vehicle is sent to rescue by the vehicle position information that breath includes, and helps vehicle calling rescue.
Further, it after the manual service platform solves fault message, sends breakdown maintenance scheme and is taken to remote diagnosis
Business device, remote diagnosis server store this fault message and breakdown maintenance scheme.Technical specialist assist solve failure it
Afterwards, remote diagnosis server can obtain the breakdown maintenance scheme of manual service platform transmission, and fault message and failure are tieed up
The scheme of repairing is stored in memory module, the database of rich remote diagnosis server.
Further, when vehicle is in operating status middle, the remote diagnosis server obtains the real-time of vehicle-state
Monitoring information, according to the abnormal state information and fault message of vehicle in real-time monitoring information, remote diagnosis server generates event
Barrier early warning report feeds back to user.User can receive fault pre-alarming report, and judge vehicle condition according to fault pre-alarming report
Whether it is suitable for being continuing with.
For the present invention using gateway as diagnosis terminal, T-Box is only used as data transfer component.Onboard diagnostics is undertaken by gateway
Function, T-Box carry out two-way communication with gateway, and after gateway carries out safety verification success, T-Box can obtain verification letter
Breath ensures the stability and reliability of T-Box operations.Increase secure access verification between gateway and T-Box, is vehicle and outside
One of network security barrier is increased between network again, such external network sends diagnosis or control instruction, it is necessary to pass through
T-Box and the secure access verification of gateway twice get to each controller, improve vehicle network security.
Remote diagnosis server is arranged in the present invention, and remote diagnosis server being capable of long-distance service auxiliary, user or repair
The personnel in shop can repair according to the guidance of remote diagnosis server come oneself, reduce after cost.After failure occurs, pass
System settling mode needs specialized maintenance personnel to scene, and carries professional equipment and carry out fault detect and handle or be sent to vehicle
Notified body repairs, not only wasting manpower and material resources, but also increases after cost；The present invention can be sent after failure generation to gateway
Diagnostic instruction is sent to mobile phone terminal, electricity after being fed back by gateway requests controller failure information by T-Box wireless communications
Brain end, remote fault diagnosis service centre；Service centre generates maintenance program, and mode by radio communication according to fault message
It is sent to mobile phone terminal or computer end, user or local maintenance personal is instructed to carry out failure solution.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of vehicle remote diagnosis system, which is characterized in that the system comprises car-mounted terminals and remote diagnosis server；
The car-mounted terminal includes gateway and T-Box, and the gateway is for obtaining diagnostic instruction, sending diagnosis request and acquisition
The fault message of feedback, the T-Box are used for transmission diagnostic instruction and fault message；
Secure access verification is equipped between the gateway and T-Box；
The remote diagnosis server includes memory module, study module, control module and communication module, and the memory module is used
In storage breakdown maintenance scheme, the study module is for updating breakdown maintenance scheme, and the control module is for calling failure
Maintenance program, the communication module is for obtaining fault message and sending breakdown maintenance scheme.
2. a kind of vehicle remote diagnosis system according to claim 1, which is characterized in that the vehicle remote diagnosis system
Further include manual service platform, the manual service platform is for assisting remote diagnosis server handling failure information；
The communication module of the remote diagnosis server is additionally operable to send fault message to manual service platform and obtains artificial clothes
The breakdown maintenance scheme for platform feedback of being engaged in.
3. a kind of vehicle remote diagnosis system according to claim 2, which is characterized in that the manual service platform has
Virtual image module, the virtual image module is for establishing fault model.
4. a kind of vehicle remote diagnosis system according to claim 1, which is characterized in that the car-mounted terminal further includes event
Hinder prewarning unit, the fault pre-alarming unit is used to monitor vehicle-state in real time, and will be on abnormal state information and fault message
Report remote diagnosis server.
5. a kind of vehicle remote diagnosis system according to claim 1, which is characterized in that the car-mounted terminal further includes touching
Automatic unit of seeking help is hit, the collision seeks help unit for being sent out to remote diagnosis server after severe crash occurs for vehicle automatically
Send help information.
6. a kind of vehicle remote diagnosis system according to claim 1, which is characterized in that the car-mounted terminal further includes protecting
Reminding unit is supported, the maintenance reminding unit is for reminding user to maintain vehicle.
7. a kind of vehicle remote diagnosis method at remote diagnosis server end, which is characterized in that the method includes：
The fault message that T-Box is sent is obtained, and according to fault message, retrieves corresponding breakdown maintenance scheme；
When retrieving corresponding breakdown maintenance scheme, calls the breakdown maintenance scheme and be sent to user terminal；
When not retrieving corresponding breakdown maintenance scheme, fault message is sent to manual service platform, it is flat to obtain manual service
The breakdown maintenance scheme of platform feedback, and the breakdown maintenance scheme is sent to user terminal.
8. a kind of vehicle remote diagnosis method, which is characterized in that the method includes：
Obtain diagnostic instruction；
After carrying out secure access verification with gateway, the diagnostic instruction is sent to gateway so that gateway sends out the diagnostic instruction
It is sent to controller；
After the fault message that gateway obtains controller feedback, the fault message that gateway is sent is received；
The fault message is sent to remote diagnosis server so that remote diagnosis server can obtain and send the failure
Maintenance program is to user terminal.
9. a kind of vehicle remote diagnosis method according to claim 8, which is characterized in that when a vehicle is in a collision, obtain
Collision information is obtained, diagnostic instruction is sent to gateway, and obtains the fault message of the controller feedback of gateway transmission, to remote diagnosis
Server sends help information.
10. a kind of vehicle remote diagnosis method according to claim 8, which is characterized in that when in vehicle operation, Xiang Yuan
Journey diagnosis server sends the real-time monitoring information of vehicle-state, and the real-time monitoring information includes abnormal state information and failure
Information；
Obtain the fault pre-alarming report that remote diagnosis server is sent.
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