CN105137964A - Automobile fault remote diagnosis system based on cellphone APP - Google Patents
Automobile fault remote diagnosis system based on cellphone APP Download PDFInfo
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- CN105137964A CN105137964A CN201510593917.1A CN201510593917A CN105137964A CN 105137964 A CN105137964 A CN 105137964A CN 201510593917 A CN201510593917 A CN 201510593917A CN 105137964 A CN105137964 A CN 105137964A
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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
- G05B23/0216—Human interface functionality, e.g. monitoring system providing help to the user in the selection of tests or in its configuration
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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
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
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Abstract
The invention discloses an automobile fault remote diagnosis system based on a cellphone APP. The system comprises cellphone APP software, a vehicle interface device, and a remote service center, the cellphone APP software sends a diagnosis request of a user to the remote service center via a mobile network, the remote service center sends a diagnosis command to the cellphone APP software according to the diagnosis request, the cellphone APP software forwards the diagnosis command to the vehicle interface device via a wireless network, and the vehicle interface device analyzes the diagnosis command, sets diagnosis protocol communication parameters with a to-be-diagnosed automobile electronic system, or sends a diagnosis request message to the to-be-diagnosed automobile electronic system via a vehicle network. According to the system, users can get the service of automobile fault diagnosis in a remote manner without increasing too much cost, the automobile fault diagnosis time is shortened, the manpower cost is reduced, and the automobile fault diagnosis efficiency is improved.
Description
Technical field
The present invention relates to automotive electronics diagnostic techniques field, particularly relate to a kind of vehicle failure remote diagnosis system based on mobile phone A PP.
Background technology
In Automobile Failure Diagnosis Technology field, traditional fault diagnosis, mainly take technician to hold the on-the-spot scheme of vehicle being carried out to fault diagnosis of professional equipment, following defect can be there is:
1., because traditional automobile failure diagnosis adopts professional diagnosis equipment, require higher to diagnostic personnel level of skill, complicated operation, low to the diagnosis efficiency of some fault, easily cause erroneous judgement, bring difficulty to car fault diagnosis.
2. because traditional automobile failure diagnosis needs professional and technical personnel's execute-in-place mostly, after vehicle breaks down, often can not get timely diagnosis and repair, there is certain hysteresis quality.
3. the automobile failure diagnosis time cycle due to traditional is longer, and diagnostic result feedback not in time.
4., because traditional fault detection system for automobile customization is comparatively strong, applicability is lower.
So in order to improve the real-time of automobile failure diagnosis, simultaneously in order to save human cost, improving fault diagnosis efficiency, feeding back fault diagnosis result in time, the vehicle failure remote diagnosis system developed based on mobile phone A PP is just necessary.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of vehicle failure remote diagnosis system based on mobile phone A PP.
The present invention is achieved by the following technical solutions:
A kind of vehicle failure remote diagnosis system based on mobile phone A PP, include mobile phone A PP software, vehicle-mounted interface equipment and remote service center, the diagnosis request of user is sent to described remote service center by mobile network by described mobile phone A PP software, remote service center is asked according to described diagnosis, diagnostic command is sent to mobile phone A PP software, described diagnostic command is forwarded by wireless network and gives described vehicle-mounted interface equipment by described mobile phone A PP software, vehicle-mounted interface equipment resolves described diagnostic command, the diagnosing protocol messaging parameter that setting and follow-up break between automobile electronic system, or pass through In-vehicle networking, to follow-up break automobile electronic system send diagnosis request message, described vehicle-mounted interface equipment receives follow-up and to break the diagnostic response result of automobile electronic system, by described mobile phone A PP software forward to remote service center, described remote service center analyzes described diagnostic response result, generate diagnosis report, and by described mobile phone A PP software, feed back to user.
Described diagnosis request comprises user profile and vehicle information, and remote service center is verified according to the identity of described user's information, determines to treat the diagnosis diagnosing protocol messaging parameter of vehicle and the diagnosis service of support according to described vehicle information.
Mobile network between described mobile phone A PP software and remote service center is 2G/3G/4G network or WIFI wireless network; Wireless network between described mobile phone A PP software and vehicle-mounted interface equipment is bluetooth or WIFI wireless network.
Described diagnostic command comprises protocol configuration order or diagnosis control order, the diagnosing protocol messaging parameter that described protocol configuration order is broken between automobile electronic system for configuring vehicle-mounted interface equipment and follow-up, described diagnosis control order to be broken the diagnosis request message that automobile electronic system sends to follow-up for generating.
Described In-vehicle networking is CAN, LIN bus, K line or MOST bus.
Described diagnosing protocol communication is in order to specify message flag in the traffic rate of physical layer protocol in diagnosing protocol, link layer protocol and the information such as message is filled, time parameter in network layer and application layer protocol.
Described vehicle-mounted interface equipment comprises central processing unit, power supply unit, crystal oscillating circuit, reset circuit, radio communication control assembly, In-vehicle networking communication control unit and the link in order to connect In-vehicle networking, power supply unit is that miscellaneous part is powered, crystal oscillating circuit, reset circuit, radio communication control assembly, In-vehicle networking communication control unit is connected with central processing unit, crystal oscillating circuit provides the quartz crystal oscillator of 15M, reset circuit is provided with the reset button that central processing unit can be made to return original state, radio communication control assembly is used for carrying out data transmission with mobile phone A PP software, In-vehicle networking communication control unit is used for carrying out data transmission with the follow-up automobile electronic system that breaks, central processing unit is MC9S0DZ60 type central processing unit, described link is a kind of standard interface socket, for being connected with automobile OBD interface, the course of work of described vehicle-mounted interface equipment is carried out according to the following steps:
A1, by radio communication control assembly, receive the diagnostic command that mobile phone A PP software sends;
A2, parsing diagnostic command, if protocol configuration order, then configuration diagnostics protocol communication parameters, if diagnosis control order, then according to the requirement of diagnosing protocol messaging parameter, diagnosis request message diagnosis control order generated by In-vehicle networking communication control unit, sends to follow-up to break automobile electronic system;
A3, to be received follow-up by In-vehicle networking communication control unit and to break the diagnostic response result of automobile electronic system, and diagnostic response result is sent to mobile phone A PP software by radio communication control assembly.
Described mobile phone A PP software comprises mobile network communication administration module, wireless communications management module and Subscriber Interface Module SIM, and the course of work of described mobile phone A PP software is carried out according to the following steps:
B1, by Subscriber Interface Module SIM receive user diagnose request;
User diagnoses request to send to remote service center by mobile network by b2, mobile network communication administration module;
The diagnostic command of b3, reception remote service center, sends to vehicle-mounted interface equipment by wireless communications management module;
The diagnostic response result of b4, reception vehicle-mounted interface equipment, sends to remote service center by mobile network communication administration module;
The diagnostic result of b5, reception remote service center, feeds back to user by Subscriber Interface Module SIM.
Described remote service center comprises communication management module, vehicle administration module, diagnosis administration module and diagnostic personnel interface module, the diagnostic operation that diagnostic personnel interface module will be carried out for receiving diagnostic personnel, and diagnostic operation is submitted to diagnosis administration module; Vehicle administration module for managing vehicle information, comprise wait diagnose vehicle adopt diagnosing protocol, messaging parameter, support diagnosis service, diagnosis service form; Communication management module is used for setting up secure communications links with mobile phone A PP software, and the data be responsible between mobile phone A PP software are transmitted; The management of diagnosis management module in charge diagnostic procedure, comprises that user asks to confirm, diagnostic command issues, diagnostic response interpretation of result, diagnosis report generates; The course of work of described remote service center is carried out according to the following steps:
The diagnosis request that c1, reception mobile phone A PP software send;
C2, send protocol configuration order to mobile phone A PP software;
C3, send diagnosis control order to mobile phone A PP software;
C4, reception mobile phone A PP software send diagnostic response result;
C5, repeat c3 and c4, until diagnosis terminates;
C6, generation diagnosis report, send to mobile phone A PP software.
Advantage of the present invention is: the mobile phone A PP software that the present invention relates to is applicable to most of smart mobile phone type, easy to operate, practical, applied widely, and less demanding to the level of skill of operating personnel, utilization factor is high; Can realize carrying out remote fault diagnosis to vehicle, greatly reduce human cost, effectively ensure that the real-time of car fault diagnosis, shorten the time cycle of car fault diagnosis.
Accompanying drawing explanation
Fig. 1 is schematic flow sheet of the present invention.
Fig. 2 is structured flowchart of the present invention.
Fig. 3 is signal flow diagram of the present invention.
Fig. 4 is diagnostic command form schematic diagram of the present invention.
Embodiment
As Fig. 1, 2, 3, shown in 4, a kind of vehicle failure remote diagnosis system based on mobile phone A PP, include mobile phone A PP software 2, vehicle-mounted interface equipment 1 and remote service center 3, the diagnosis request of user is sent to described remote service center 3 by mobile network by described mobile phone A PP software 2, remote service center 3 is asked according to described diagnosis, diagnostic command is sent to mobile phone A PP software 2, described diagnostic command is forwarded by wireless network and gives described vehicle-mounted interface equipment 1 by described mobile phone A PP software 2, vehicle-mounted interface equipment 1 resolves described diagnostic command, the diagnosing protocol messaging parameter that setting and follow-up break between automobile electronic system, or pass through In-vehicle networking, to follow-up break automobile electronic system send diagnosis request message, described vehicle-mounted interface equipment 1 receives follow-up and to break the diagnostic response result of automobile electronic system, remote service center 3 is transmitted to by described mobile phone A PP software 2, described remote service center 3 analyzes described diagnostic response result, generate diagnosis report, and by described mobile phone A PP software 2, feed back to user.
Described diagnosis request comprises user profile and vehicle information, and remote service center 3 is verified according to the identity of described user's information, determines to treat the diagnosis diagnosing protocol messaging parameter of vehicle and the diagnosis service of support according to described vehicle information.
Mobile network between described mobile phone A PP software 2 and remote service center 3 is 2G/3G/4G network or WIFI wireless network; Between described mobile phone A PP software 2 and vehicle-mounted interface equipment, the wireless network of 1 is bluetooth or WIFI wireless network.
Described diagnostic command comprises protocol configuration order or diagnosis control order, the diagnosing protocol messaging parameter that described protocol configuration order is broken between automobile electronic system for configuring vehicle-mounted interface equipment 1 and follow-up, described diagnosis control order to be broken the diagnosis request message that automobile electronic system sends to follow-up for generating.
Described In-vehicle networking is CAN, LIN bus, K line or MOST bus.
Described diagnosing protocol communication is in order to specify message flag in the traffic rate of physical layer protocol in diagnosing protocol, link layer protocol and the information such as message is filled, time parameter in network layer and application layer protocol.
Described vehicle-mounted interface equipment 1 comprises central processing unit 11, power supply unit 12, crystal oscillating circuit 13, reset circuit 14, radio communication control assembly 16, In-vehicle networking communication control unit 17 and the link 15 in order to connect In-vehicle networking, power supply unit 12 is powered for miscellaneous part, crystal oscillating circuit 13, reset circuit 14, radio communication control assembly 16, In-vehicle networking communication control unit 17 is connected with central processing unit 11, crystal oscillating circuit 13 provides the quartz crystal oscillator of 15M, reset circuit 14 is provided with the reset button that central processing unit can be made to return original state, radio communication control assembly 16 is for carrying out data transmission with mobile phone A PP software 2, In-vehicle networking communication control unit 17 is for carrying out data transmission with the follow-up automobile electronic system that breaks, central processing unit 11 is MC9S0DZ60 type central processing unit, described link 15 is a kind of standard interface sockets, for being connected with automobile OBD interface, the course of work of described vehicle-mounted interface equipment 1 is carried out according to the following steps:
A1, by radio communication control assembly 16, receive the diagnostic command that mobile phone A PP software 2 sends;
A2, parsing diagnostic command, if protocol configuration order, then configuration diagnostics protocol communication parameters, if diagnosis control order, then according to the requirement of diagnosing protocol messaging parameter, diagnosis request message diagnosis control order generated by In-vehicle networking communication control unit 17, sends to follow-up to break automobile electronic system;
A3, to be received follow-up by In-vehicle networking communication control unit 17 and to break the diagnostic response result of automobile electronic system, and diagnostic response result is sent to mobile phone A PP software 2 by radio communication control assembly 16.
Described mobile phone A PP software 2 comprises mobile network communication administration module 22, wireless communications management module 23 and Subscriber Interface Module SIM 21, and the course of work of described mobile phone A PP software 2 is carried out according to the following steps:
B1, receive user by Subscriber Interface Module SIM 21 and diagnose request;
User diagnoses request to send to remote service center 3 by mobile network by b2, mobile network communication administration module 22;
The diagnostic command of b3, reception remote service center 3, sends to vehicle-mounted interface equipment 1 by wireless communications management module 23;
The diagnostic response result of b4, reception vehicle-mounted interface equipment 1, sends to remote service center 3 by mobile network communication administration module 22;
The diagnostic result of b5, reception remote service center 3, feeds back to user by Subscriber Interface Module SIM 21.
Described remote service center 3 comprises communication management module 34, vehicle administration module 32, diagnosis administration module 33 and diagnostic personnel interface module 31, the diagnostic operation that diagnostic personnel interface module 31 will be carried out for receiving diagnostic personnel, and diagnostic operation is submitted to diagnosis administration module 33; Vehicle administration module 32 for managing vehicle information, comprise wait diagnose vehicle adopt diagnosing protocol, messaging parameter, support diagnosis service, diagnosis service form; Communication management module 33 is for setting up secure communications links with mobile phone A PP software 2, and the data be responsible between mobile phone A PP software 2 are transmitted; Diagnosis administration module 33 is responsible for the management of diagnostic procedure, comprises that user asks to confirm, diagnostic command issues, diagnostic response interpretation of result, diagnosis report generate; The course of work of described remote service center 3 is carried out according to the following steps:
The diagnosis request that c1, reception mobile phone A PP software send;
C2, send protocol configuration order to mobile phone A PP software;
C3, send diagnosis control order to mobile phone A PP software;
C4, reception mobile phone A PP software send diagnostic response result;
C5, repeat c3 and c4, until diagnosis terminates;
C6, generation diagnosis report, send to mobile phone A PP software.
Fig. 3 illustrates the signal flow diagram of the vehicle failure remote diagnosis system based on mobile phone A PP, and the vehicle failure remote diagnosis system diagnostics command format that Fig. 4 illustrates based on mobile phone A PP defines.In the present embodiment, exemplarily, mobile phone A PP software 2 adopts 3G to communicate with remote service center 3, and adopt Bluetooth communication between vehicle-mounted interface equipment 1, In-vehicle networking uses CAN, the break application layer of automobile electronic system diagnosing protocol used of follow-up is ISO14229, and session layer is ISO15765-3, and network layer is ISO15765-2.
In the present embodiment, before fault diagnosis is carried out to vehicle, user by vehicle-mounted interface equipment standard interface socket with wait that the OBD interface diagnosing vehicle is connected.
User fills in identity information by mobile phone A PP software and waits to diagnose the vehicle information of vehicle, remote service center is sent to as diagnosis request, the diagnosis administration module of remote service center to identity information and vehicle Information Authentication errorless after, the diagnostic command carrying out diagnosing protocol communication parameter configuration is sent to mobile phone A PP software, i.e. protocol configuration order, protocol configuration order is according to diagnostic command form encapsulation as shown in Figure 4.
Above-mentioned diagnosing protocol communication parameter configuration content specifically comprises: the information such as the message flag in the traffic rate of physical layer protocol, link layer protocol and message are filled, time parameter in network layer and application layer protocol.Such as, for CAN, can arrange its traffic rate is 500kbps, 1Mbps etc.; In link layer data frame transmitting procedure, when data frame length is less than 8 byte, can arranges and carry out filling or do not use 0 to fill with 0.According to ISO15765-2, ISO15765-3 and ISO14229 consensus standard, the maximum duration that network layer individual data frame sends, the maximum time interval receiving the maximum time responded, continuous transmission can be set, the session retention time in session layer can be set, the worst-case response time in application layer can be set.
Mobile phone A PP software passes through wireless communications management module by above-mentioned protocol configuration transferring order to vehicle-mounted interface equipment.Vehicle-mounted interface equipment is according to diagnostic command format analysis as shown in Figure 4, the information such as traffic rate, time parameter that setting and follow-up break between automobile electronic system, and by radio communication control assembly, configuration result feedback being sent to mobile phone A PP software, the configuration result feedback information received is sent to remote service center by mobile network communication administration module by mobile phone A PP software.
After having configured, remote service center diagnostic personnel carries out one or many diagnostic operation by diagnostic personnel interface module, diagnosis administration module encapsulates according to diagnostic command form as shown in Figure 4 the content of each diagnostic operation, generate diagnosis control order, be issued to mobile phone A PP software by communication management module, the diagnostic command received is forwarded to vehicle-mounted interface equipment by wireless communications management module by mobile phone A PP software.
After vehicle-mounted interface equipment receives above-mentioned diagnosis control order, resolve according to diagnostic command form as shown in Figure 4, obtain diagnosing request message.Vehicle-mounted interface equipment will diagnosis request message according to the requirement of above-mentioned diagnosing protocol messaging parameter, send to follow-up to break automobile electronic system, and by its diagnostic response result, be sent to mobile phone A PP software by radio communication control assembly.Diagnostic response result is sent to remote service center by mobile phone A PP software.After the response results of diagnosis administration module to all diagnostic operations of remote service center is analyzed, generate diagnosis report, and be sent to mobile phone A PP software by communication management module, feed back to user.
Fig. 4 represents that diagnostic command form defines, and concrete field comprises bebinning character, protocol fields, message length, order body, School Affairs, termination character.Wherein, bebinning character and termination character field respectively account for 1 byte, are worth for decimal number 255.Message length field is defined as two bytes, is used for representing the length of diagnostic command message.Protocol fields is defined as 1 byte, is used for distinguishing the type of message, if decimal number 0, then represents that this order is protocol configuration order, if decimal number 1, is then expressed as diagnosis control order.Checksum field is defined as 2 bytes, employing be CRC check.The indefinite length of order body, if be protocol configuration order, then order body comprises the message flag in the traffic rate of physical layer protocol, link layer protocol and the information such as message is filled, time parameter in network layer and application layer protocol; If be diagnosis control order, then order body is the diagnostic operation information of diagnostic personnel input, and its form follows ISO14229 application layer message format.
Claims (9)
1. the vehicle failure remote diagnosis system based on mobile phone A PP, it is characterized in that: include mobile phone A PP software, vehicle-mounted interface equipment and remote service center, the diagnosis request of user is sent to described remote service center by mobile network by described mobile phone A PP software, remote service center is asked according to described diagnosis, diagnostic command is sent to mobile phone A PP software, described diagnostic command is forwarded by wireless network and gives described vehicle-mounted interface equipment by described mobile phone A PP software, vehicle-mounted interface equipment resolves described diagnostic command, the diagnosing protocol messaging parameter that setting and follow-up break between automobile electronic system, or pass through In-vehicle networking, to follow-up break automobile electronic system send diagnosis request message, described vehicle-mounted interface equipment receives follow-up and to break the diagnostic response result of automobile electronic system, by described mobile phone A PP software forward to remote service center, described remote service center analyzes described diagnostic response result, generate diagnosis report, and by described mobile phone A PP software, feed back to user.
2. a kind of vehicle failure remote diagnosis system based on mobile phone A PP according to claim 1, it is characterized in that: described diagnosis request comprises user profile and vehicle information, remote service center is verified according to the identity of described user's information, determines to treat the diagnosis diagnosing protocol messaging parameter of vehicle and the diagnosis service of support according to described vehicle information.
3. a kind of vehicle failure remote diagnosis system based on mobile phone A PP according to claim 1, is characterized in that: the mobile network between described mobile phone A PP software and remote service center is 2G/3G/4G network or WIFI wireless network; Wireless network between described mobile phone A PP software and vehicle-mounted interface equipment is bluetooth or WIFI wireless network.
4. a kind of vehicle failure remote diagnosis system based on mobile phone A PP according to claim 1, it is characterized in that: described diagnostic command comprises protocol configuration order or diagnosis control order, the diagnosing protocol messaging parameter that described protocol configuration order is broken between automobile electronic system for configuring vehicle-mounted interface equipment and follow-up, described diagnosis control order to be broken the diagnosis request message that automobile electronic system sends to follow-up for generating.
5. a kind of vehicle failure remote diagnosis system based on mobile phone A PP according to claim 1, is characterized in that: described In-vehicle networking is CAN, LIN bus, K line or MOST bus.
6. a kind of vehicle failure remote diagnosis system based on mobile phone A PP according to claim 1, is characterized in that: described diagnosing protocol communication is in order to specify message flag in the traffic rate of physical layer protocol in diagnosing protocol, link layer protocol and the information such as message is filled, time parameter in network layer and application layer protocol.
7. a kind of vehicle failure remote diagnosis system based on mobile phone A PP according to claim 1, it is characterized in that: described vehicle-mounted interface equipment comprises central processing unit, power supply unit, crystal oscillating circuit, reset circuit, radio communication control assembly, In-vehicle networking communication control unit and the link in order to connect In-vehicle networking, power supply unit is that miscellaneous part is powered, crystal oscillating circuit, reset circuit, radio communication control assembly, In-vehicle networking communication control unit is connected with central processing unit, crystal oscillating circuit provides the quartz crystal oscillator of 15M, reset circuit is provided with the reset button that central processing unit can be made to return original state, radio communication control assembly is used for carrying out data transmission with mobile phone A PP software, In-vehicle networking communication control unit is used for carrying out data transmission with the follow-up automobile electronic system that breaks, central processing unit is MC9S0DZ60 type central processing unit, described link is a kind of standard interface socket, for being connected with automobile OBD interface, the course of work of described vehicle-mounted interface equipment is carried out according to the following steps:
A1, by radio communication control assembly, receive the diagnostic command that mobile phone A PP software sends;
A2, parsing diagnostic command, if protocol configuration order, then configuration diagnostics protocol communication parameters, if diagnosis control order, then according to the requirement of diagnosing protocol messaging parameter, diagnosis request message diagnosis control order generated by In-vehicle networking communication control unit, sends to follow-up to break automobile electronic system;
A3, to be received follow-up by In-vehicle networking communication control unit and to break the diagnostic response result of automobile electronic system, and diagnostic response result is sent to mobile phone A PP software by radio communication control assembly.
8. a kind of vehicle failure remote diagnosis system based on mobile phone A PP according to claim 1, it is characterized in that: described mobile phone A PP software comprises mobile network communication administration module, wireless communications management module and Subscriber Interface Module SIM, the course of work of described mobile phone A PP software is carried out according to the following steps:
B1, by Subscriber Interface Module SIM receive user diagnose request;
User diagnoses request to send to remote service center by mobile network by b2, mobile network communication administration module;
The diagnostic command of b3, reception remote service center, sends to vehicle-mounted interface equipment by wireless communications management module;
The diagnostic response result of b4, reception vehicle-mounted interface equipment, sends to remote service center by mobile network communication administration module;
The diagnostic result of b5, reception remote service center, feeds back to user by Subscriber Interface Module SIM.
9. a kind of vehicle failure remote diagnosis system based on mobile phone A PP according to claim 1, it is characterized in that: described remote service center comprises communication management module, vehicle administration module, diagnosis administration module and diagnostic personnel interface module, the diagnostic operation that diagnostic personnel interface module will be carried out for receiving diagnostic personnel, and diagnostic operation is submitted to diagnosis administration module; Vehicle administration module for managing vehicle information, comprise wait diagnose vehicle adopt diagnosing protocol, messaging parameter, support diagnosis service, diagnosis service form; Communication management module is used for setting up secure communications links with mobile phone A PP software, and the data be responsible between mobile phone A PP software are transmitted; The management of diagnosis management module in charge diagnostic procedure, comprises that user asks to confirm, diagnostic command issues, diagnostic response interpretation of result, diagnosis report generates; The course of work of described remote service center is carried out according to the following steps:
The diagnosis request that c1, reception mobile phone A PP software send;
C2, send protocol configuration order to mobile phone A PP software;
C3, send diagnosis control order to mobile phone A PP software;
C4, reception mobile phone A PP software send diagnostic response result;
C5, repeat c3 and c4, until diagnosis terminates;
C6, generation diagnosis report, send to mobile phone A PP software.
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