CN103716233A - K line communication diagnosis system and K line communication diagnosis control method of car body control system - Google Patents
K line communication diagnosis system and K line communication diagnosis control method of car body control system Download PDFInfo
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- CN103716233A CN103716233A CN201310731447.1A CN201310731447A CN103716233A CN 103716233 A CN103716233 A CN 103716233A CN 201310731447 A CN201310731447 A CN 201310731447A CN 103716233 A CN103716233 A CN 103716233A
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Abstract
The invention relates to the technical field of car body control, in particular to a K line communication diagnosis system and K line communication diagnosis control method of a car body control system. Data ports of an IMMO, an EMS and a car diagnosis meter are electrically connected through K line gateways, and electric connection between the K line gateways and the car diagnosis meter is controlled according to control signals of the IMMO, wherein the IMMO, the EMS and the car diagnosis meter are arranged in the car body control system. Because K line gateway control is added on the basis of the existing IMMO, the IMMO can be alternatively connected with external diagnosis equipment like the EMS and the car diagnosis meter, mutual interference is eliminated, and car data collection, diagnosis and transmitting are more accurate, reliable and stable.
Description
Technical field
The present invention relates to body of a motor car control technology field, be specifically related to a kind of control method of the communication of K line with diagnosis of body control system.
Background technology
Motronic control maps anti-theft controller IMMO in the market follows KWP2000 physical interface, engine control system EMS except with Motronic control maps anti-theft controller physical connection, also and Auto analyzer, automobile ABS, the equipment connections such as safe automobile air bag, this connection is all to connect by K line.When car load is when starting, the parallel access of engine anti-theft controller and all the other equipment engine control system, when equipment parallel with one another carries out data transmission simultaneously, can cause the mutual interference of equipment phase, and car load cannot start, and there will be security incident when situation is serious.
Summary of the invention
In view of this, the invention provides a kind of more reliable body control system K line Communication diagnostic system.
The present invention solves the problems of the technologies described above by following technological means:
Body control system K line Communication diagnostic system, the FPDP of Motronic control maps anti-theft controller, engine control system and Auto analyzer in body control system is closed and to be electrically connected by K gauze, described K gauze close according to the control signal of Motronic control maps anti-theft controller control K gauze close with Auto analyzer between be connected or disconnection.
Further, Motronic control maps anti-theft controller is controlled K gauze and is closed connecting engine control system and diagnostic equipment simultaneously under initial condition, when Motronic control maps anti-theft controller at needs in when authentication igniting, control K gauze and close to disconnect and be connected with diagnostic equipment, the authentication of lighting a fire of Motronic control maps anti-theft controller and engine control system; When Motronic control maps anti-theft controller mates with engine control system, to control the disconnection of K gauze pass and be connected with diagnostic equipment, Motronic control maps anti-theft controller and engine control system carry out data transmission.
The present invention also discloses a kind of body control system K line Communication diagnostic control method, and Motronic control maps anti-theft controller is controlled K gauze and closed connecting engine control system and diagnostic equipment simultaneously under initial condition;
When Motronic control maps anti-theft controller at needs in when authentication igniting, control K gauze and close to disconnect and be connected with diagnostic equipment, the authentication of lighting a fire of Motronic control maps anti-theft controller and engine control system;
When Motronic control maps anti-theft controller mates with engine control system, to control the disconnection of K gauze pass and be connected with diagnostic equipment, Motronic control maps anti-theft controller and engine control system carry out data transmission.
Further, when Motronic control maps anti-theft controller is specifically carried out following steps when igniting authenticates at needs:
Motronic control maps anti-theft controller detects igniting switching signal;
When ignition switch signal being detected, Motronic control maps anti-theft controller is controlled the disconnection of K gauze pass and is connected with diagnostic equipment;
The authentication of lighting a fire of Motronic control maps anti-theft controller and engine control system;
Motronic control maps anti-theft controller detects K line data address, and when K line data address is pointed to Motronic control maps anti-theft controller, Motronic control maps anti-theft controller receives this data.
Further, when Motronic control maps anti-theft controller is also carried out following steps when igniting authenticates at needs: Motronic control maps anti-theft controller is controlled K line gateway control K gauze pass and disconnect diagnostic equipment in the scheduled time after igniting is completed, and connects diagnostic equipment after having lighted a fire after the scheduled time.
Further, when mating with engine control system, Motronic control maps anti-theft controller specifically comprises the steps:
Diagnostic equipment is set up and is connected with the communication of engine control system;
Engine control system mates to the request of Motronic control maps anti-theft controller;
Motronic control maps anti-theft controller is controlled the shutoff of K gauze and is opened diagnostic equipment;
Motronic control maps anti-theft controller sends data to engine control system;
Engine control system is confirmed matching result;
Motronic control maps anti-theft controller is confirmed matching result;
Motronic control maps anti-theft controller is controlled K gauze and is closed connection diagnostic equipment;
Engine control system and diagnostic equipment are confirmed matching result.
Beneficial effect of the present invention: body control system K line Communication diagnostic system and method for the present invention, on the basis of original engine anti-theft controller IMMO, increase K line gateway control, make Motronic control maps anti-theft controller IMMO and engine control system EMS, the external diagnosis equipment such as Auto analyzer are selected to connect, and get rid of interference each other, make automobile in the collection of data, diagnosis and transmission are more accurate, reliable, stable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 shows the structural representation of body control system K line Communication diagnostic system.
Embodiment
Below with reference to accompanying drawing, the present invention is described in detail.
Referring to Fig. 1, the body control system K line Communication diagnostic system of the present embodiment, the FPDP of Motronic control maps anti-theft controller, engine control system and Auto analyzer in body control system is closed and to be electrically connected by K gauze, described K gauze close according to the control signal of Motronic control maps anti-theft controller control K gauze close with Auto analyzer between be connected or disconnection.Motronic control maps anti-theft controller is controlled K gauze and is closed connecting engine control system and diagnostic equipment simultaneously under initial condition, when Motronic control maps anti-theft controller at needs in when authentication igniting, control K gauze and close to disconnect and be connected with diagnostic equipment, the authentication of lighting a fire of Motronic control maps anti-theft controller and engine control system; When Motronic control maps anti-theft controller mates with engine control system, to control the disconnection of K gauze pass and be connected with diagnostic equipment, Motronic control maps anti-theft controller and engine control system carry out data transmission.
The body control system K line Communication diagnostic control method of the present embodiment, Motronic control maps anti-theft controller is controlled K gauze and is closed connecting engine control system and diagnostic equipment simultaneously under initial condition;
When Motronic control maps anti-theft controller at needs in when authentication igniting, control K gauze and close to disconnect and be connected with diagnostic equipment, the authentication of lighting a fire of Motronic control maps anti-theft controller and engine control system; Specifically comprise the steps:
1) Motronic control maps anti-theft controller detects igniting switching signal;
2), when ignition switch signal being detected, Motronic control maps anti-theft controller is controlled the disconnection of K gauze pass and is connected with diagnostic equipment;
3) Motronic control maps anti-theft controller and the engine control system authentication of lighting a fire;
4) Motronic control maps anti-theft controller detects K line data address, and when K line data address is pointed to Motronic control maps anti-theft controller, Motronic control maps anti-theft controller receives this data;
5) Motronic control maps anti-theft controller is controlled K line gateway control and is connected or disconnected diagnostic equipment, conventionally in igniting, completes in 3 seconds and controls diagnostic equipment disconnection, controls diagnostic equipment and connect after having lighted a fire 3 seconds.
When Motronic control maps anti-theft controller mates with engine control system, to control the disconnection of K gauze pass and be connected with diagnostic equipment, Motronic control maps anti-theft controller and engine control system carry out data transmission; Specifically comprise the steps:
1) diagnostic equipment is set up and is connected with the communication of engine control system;
2) engine control system mates to the request of Motronic control maps anti-theft controller;
3) Motronic control maps anti-theft controller is controlled the shutoff of K gauze and is opened diagnostic equipment;
4) Motronic control maps anti-theft controller sends data to engine control system;
5) engine control system is confirmed matching result;
6) Motronic control maps anti-theft controller is confirmed matching result;
7) Motronic control maps anti-theft controller is controlled K gauze pass and is connected diagnostic equipment;
8) engine control system and diagnostic equipment are confirmed matching result.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (6)
1. body control system K line Communication diagnostic system, it is characterized in that: the FPDP of Motronic control maps anti-theft controller, engine control system and Auto analyzer in body control system is closed and to be electrically connected by K gauze, described K gauze close according to the control signal of Motronic control maps anti-theft controller control K gauze close with Auto analyzer between be connected or disconnection.
2. body control system K line Communication diagnostic system as claimed in claim 1, it is characterized in that: Motronic control maps anti-theft controller is controlled K gauze and closed connecting engine control system and diagnostic equipment simultaneously under initial condition, when Motronic control maps anti-theft controller at needs in when authentication igniting, control K gauze and close to disconnect and be connected with diagnostic equipment, the authentication of lighting a fire of Motronic control maps anti-theft controller and engine control system; When Motronic control maps anti-theft controller mates with engine control system, to control the disconnection of K gauze pass and be connected with diagnostic equipment, Motronic control maps anti-theft controller and engine control system carry out data transmission.
3. body control system K line Communication diagnostic control method, is characterized in that: Motronic control maps anti-theft controller is controlled K gauze and closed connecting engine control system and diagnostic equipment simultaneously under initial condition;
When Motronic control maps anti-theft controller at needs in when authentication igniting, control K gauze and close to disconnect and be connected with diagnostic equipment, the authentication of lighting a fire of Motronic control maps anti-theft controller and engine control system;
When Motronic control maps anti-theft controller mates with engine control system, to control the disconnection of K gauze pass and be connected with diagnostic equipment, Motronic control maps anti-theft controller and engine control system carry out data transmission.
4. body control system K line Communication diagnostic control method as claimed in claim 3, is characterized in that: when Motronic control maps anti-theft controller is in needs concrete following steps of carrying out during in igniting authentication:
Motronic control maps anti-theft controller detects igniting switching signal;
When ignition switch signal being detected, Motronic control maps anti-theft controller is controlled the disconnection of K gauze pass and is connected with diagnostic equipment;
The authentication of lighting a fire of Motronic control maps anti-theft controller and engine control system;
Motronic control maps anti-theft controller detects K line data address, and when K line data address is pointed to Motronic control maps anti-theft controller, Motronic control maps anti-theft controller receives this data.
5. body control system K line Communication diagnostic control method as claimed in claim 4, it is characterized in that: when Motronic control maps anti-theft controller is also carried out following steps when igniting authenticates at needs: Motronic control maps anti-theft controller is controlled K line gateway control K gauze pass and in the scheduled time, disconnect diagnostic equipment after igniting is completed, and after having lighted a fire, after the scheduled time, connects diagnostic equipment.
6. the body control system K line Communication diagnostic control method as described in any one in claim 1 to 5, is characterized in that: when Motronic control maps anti-theft controller mates with engine control system, specifically comprise the steps:
Diagnostic equipment is set up and is connected with the communication of engine control system;
Engine control system mates to the request of Motronic control maps anti-theft controller;
Motronic control maps anti-theft controller is controlled the shutoff of K gauze and is opened diagnostic equipment;
Motronic control maps anti-theft controller sends data to engine control system;
Engine control system is confirmed matching result;
Motronic control maps anti-theft controller is confirmed matching result;
Motronic control maps anti-theft controller is controlled K gauze and is closed connection diagnostic equipment;
Engine control system and diagnostic equipment are confirmed matching result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310731447.1A CN103716233A (en) | 2013-12-26 | 2013-12-26 | K line communication diagnosis system and K line communication diagnosis control method of car body control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310731447.1A CN103716233A (en) | 2013-12-26 | 2013-12-26 | K line communication diagnosis system and K line communication diagnosis control method of car body control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105282020A (en) * | 2014-05-30 | 2016-01-27 | 以勤科技股份有限公司 | Data gateway and method for interfering vehicle operation |
| CN110057594A (en) * | 2019-04-26 | 2019-07-26 | 深圳市元征科技股份有限公司 | Automotive diagnostic installation detection method, system, diagnostic clients end and computer media |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101678A (en) * | 2007-06-01 | 2008-01-09 | 重庆集诚汽车电子有限责任公司 | Electronic anti-theft system for automobile engine locking |
| CN102555989A (en) * | 2010-12-24 | 2012-07-11 | 同致电子科技（厦门）有限公司 | Communication method for electronic burglary protection system of engine |
-
2013
- 2013-12-26 CN CN201310731447.1A patent/CN103716233A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101678A (en) * | 2007-06-01 | 2008-01-09 | 重庆集诚汽车电子有限责任公司 | Electronic anti-theft system for automobile engine locking |
| CN102555989A (en) * | 2010-12-24 | 2012-07-11 | 同致电子科技（厦门）有限公司 | Communication method for electronic burglary protection system of engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105282020A (en) * | 2014-05-30 | 2016-01-27 | 以勤科技股份有限公司 | Data gateway and method for interfering vehicle operation |
| CN110057594A (en) * | 2019-04-26 | 2019-07-26 | 深圳市元征科技股份有限公司 | Automotive diagnostic installation detection method, system, diagnostic clients end and computer media |
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Application publication date: 20140409 |
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