CN102490683B - Equipment and method for detecting theftproof controller - Google Patents
Equipment and method for detecting theftproof controller Download PDFInfo
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- CN102490683B CN102490683B CN201110390692.1A CN201110390692A CN102490683B CN 102490683 B CN102490683 B CN 102490683B CN 201110390692 A CN201110390692 A CN 201110390692A CN 102490683 B CN102490683 B CN 102490683B
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- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 238000007689 inspection Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000008439 repair process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
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- 238000013475 authorization Methods 0.000 description 1
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Abstract
The invention provides equipment and a method for detecting a theftproof controller, belongs to the technical field of locking and theft prevention of automobile engines, and aims to solve the problem that the theftproof controller cannot be detected independently during production of a whole automobile. The equipment for detecting the theftproof controller comprises a key simulation unit for simulating a key to send authentication information to the theftproof controller, an engine control simulation unit for simulating mutual authentication between an engine control module and the theftproof controller, a result output unit for outputting a detection result, and a connection end which is connected with the theftproof controller. The method for detecting the theftproof controller comprises the following steps of: connecting the theftproof controller and a connection end of the equipment for detecting the theftproof controller; authenticating the key simulation unit of the equipment for detecting the theftproof controller by the theftproof controller, and mutually authenticating the theftproof controller and the engine control simulation unit of the equipment for detecting the theftproof controller; and outputting the detection result by the result output unit of the equipment for detecting the theftproof controller according to authentication results.
Description
Technical field
The invention belongs to automobile engine locking technical field of burglary prevention, be specifically related to a kind of anti-theft controller check implement and method of inspection.
Background technology
Car engine electronic locking anti-theft system (IMMO, Immobilizeir) obtains because of its superior safety and applies more and more widely.Motronic control maps locking anti-theft system can carry out certification to the authentication code stored in key (ID), not by stopping oil spout igniting with the unauthorized startup stoping vehicle during certification, even if therefore there is people to open car door, also cannot with short circuit by force, separately join the modes such as mechanical key and start vehicle.
Conventional Motronic control maps locking anti-theft system comprises:
Key, it comprises conventional mechanical key portion (namely for inserting ignition lock and rotating the part of lighting a fire) and repeater (Transponder, also known as responser), stores specific authentication code and key in repeater;
Around the antitheft coil (Coil Antenna) on ignition lock, the repeater operation of the electromagnetic field excitation key that antitheft coil produces when rotating key and lighting a fire, repeater secret key encryption authentication code, and by wireless induction mode, encrypted authentication code is sent to antitheft coil;
The anti-theft controller (SIM) be connected with antitheft coil, wherein store and key same authenticated code and key, and a PIN code (Personal Identification Number, also known as user authorization code), its by antitheft coil receive encryption authentication code and by it deciphering, compare with the authentication code self stored, if identical, certification is passed through again;
Engine controller (the ECM be connected with anti-theft controller by W line, Engine Control Module), wherein store the PIN code identical with anti-theft controller and key, this PIN code and anti-theft controller can be utilized to carry out mutual certification, and certification can according to the instruction start the engine of anti-theft controller after passing through;
Power supply, for being the power supply such as anti-theft controller, engine controller, it can be conventional 12V vehicle power.
Contriver finds that in prior art, at least there are the following problems: anti-theft controller is the critical component of Motronic control maps locking anti-theft system, and normally whether work is significant to Motronic control maps locking anti-theft system for it.Cannot detect anti-theft controller separately in car load production process at present, can only load detecting anti-theft controller in the Motronic control maps locking anti-theft system of car load, and carry out igniting experiments with corresponding key; This method of inspection troublesome poeration, efficiency are low, for problematic anti-theft controller, must load car load and could find after setting corresponding key, engine controller, and also will be pulled down after pinpointing the problems again and reprocess, and process is very loaded down with trivial details; On the other hand, this method of inspection is also inaccurate for the location of fault, if loss of ignition (comprising loss of ignition when new car detects and the loss of ignition of disabled vehicle), can not determine that anti-theft controller has problem or other unit (as key, engine controller etc.) has problem, cannot specific aim maintenance be carried out, thus can not determine whether anti-theft controller can continue to utilize.
Summary of the invention
Technical matters to be solved by this invention comprises, and separately to the problem that anti-theft controller detects, can not provide a kind of anti-theft controller check implement for existing car load detection technique.
The technical scheme that solution the technology of the present invention problem adopts is a kind of anti-theft controller check implement, and it comprises:
Simulation key unit, sends authentication information for simulating key to described anti-theft controller;
Simulated engine control unit, carries out mutual certification for simulated engine controller and described anti-theft controller;
The result output unit be connected with simulated engine control unit with described simulation key unit, for output detections result;
The coupling end be connected with simulated engine control unit with described simulation key unit, for connecting described anti-theft controller.
Preferably, described simulation key unit and described simulated engine control unit become one.
Preferably, described coupling end is the coupling end of the K line cap for connecting described anti-theft controller.
Preferably, described result output unit comprises at least one in LED, read-out, loud speaker.
Preferably, also comprise: for the power supply of powering to described simulation key unit, simulated engine control unit, result output unit.
Visible, anti-theft controller check implement of the present invention can other unit in simulated engine electronic locking anti-theft system, and can accurately detect anti-theft controller normally work; Therefore, can first detect its quality before by anti-theft controller entrucking, if there is problem, directly keep in repair, need not entrucking again, key etc. is set, simple to operate; Meanwhile, for disabled vehicle, then can detect whether its problem goes out at anti-theft controller accurately, thus accurate localizing faults, improve maintenance efficiency; In addition, for the anti-theft controller that scrap car disassembles, also its quality can be detected, to determine whether it can re-use, cost-saving.
Technical matters to be solved by this invention also comprises, and separately to the problem that anti-theft controller detects, can not provide a kind of method of inspection of anti-theft controller for existing car load detection technique.
The technical scheme that solution the technology of the present invention problem adopts is a kind of method of inspection of anti-theft controller, and it comprises:
Step 1, the coupling end of described anti-theft controller with above-mentioned anti-theft controller check implement to be connected;
Step 2, the described anti-theft controller simulation key unit to described anti-theft controller check implement carries out certification, and carries out mutual certification with the simulated engine control unit of described anti-theft controller check implement;
The result output unit of step 3, anti-theft controller check implement is according to the authentication result output detections result of described step 2.
Preferably, described anti-theft controller carries out certification to described simulation key unit and is specially: described anti-theft controller utilizes authentication code to carry out certification to described simulation key unit.
Further preferably, between described step 1 and step 2, also comprise: described anti-theft controller check implement obtains authentication code and the key of described anti-theft controller; Or described anti-theft controller check implement provides authentication code and key to described anti-theft controller.
Preferably, described anti-theft controller and described simulated engine control unit carry out mutual certification and are specially: described anti-theft controller utilizes PIN code and described simulated engine control unit to carry out mutual certification.
Further preferably, between described step 1 and step 2, also comprise: described anti-theft controller check implement obtains PIN code and the key of described anti-theft controller; Or described anti-theft controller check implement provides PIN code and key to described anti-theft controller.
Visible, can the method for inspection of anti-theft controller of the present invention accurately can detect separately anti-theft controller and normally work; Therefore, can first detect its quality before by anti-theft controller entrucking, if there is problem, directly keep in repair, need not entrucking again, key etc. is set, simple to operate; Meanwhile, for disabled vehicle, then can detect whether its problem goes out at anti-theft controller accurately, thus accurate localizing faults, improve maintenance efficiency; In addition, for the anti-theft controller that scrap car disassembles, also its quality can be detected, to determine whether it can re-use, cost-saving.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of existing Motronic control maps locking anti-theft system;
Fig. 2 is the structured flowchart of the anti-theft controller check implement of embodiments of the invention 2.
Detailed description of the invention
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1:
The present embodiment provides a kind of anti-theft controller check implement, and it comprises:
Simulation key unit, sends authentication information for simulating key to anti-theft controller.
Simulated engine control unit, carries out mutual certification for simulated engine controller and anti-theft controller.
The result output unit be connected with simulated engine control unit with simulation key unit, for output detections result.
The coupling end be connected with simulated engine control unit with simulation key unit, for connecting anti-theft controller.
Visible, the anti-theft controller check implement of the present embodiment can other unit in simulated engine electronic locking anti-theft system, and can accurately detect anti-theft controller normally work; Therefore, can first detect its quality before by anti-theft controller entrucking, if there is problem, directly keep in repair, need not entrucking again, key etc. is set, simple to operate; Meanwhile, for disabled vehicle, then can detect whether its problem goes out at anti-theft controller accurately, thus accurate localizing faults, improve maintenance efficiency; In addition, for the anti-theft controller that scrap car disassembles, also its quality can be detected, to determine whether it can re-use, cost-saving.
Embodiment 2:
As shown in Figure 2, the present embodiment provides a kind of anti-theft controller check implement, and it comprises:
Simulation key unit, this simulation key unit, for simulating the function of key, sends authentication information to anti-theft controller, as the authentication code of encryption.Certainly, different from real key, this authentication information is not wirelessly send, and can directly be sent by data line, simulates key unit simultaneously and does not comprise mechanical key portion yet.This simulation key unit carries out certification authentication code used and key can obtain from anti-theft controller, also can be supplied to anti-theft controller (namely anti-theft controller uses the authentication code and key that are provided by anti-theft controller check implement when detecting) by anti-theft controller check implement, also can be the pre-set authentication code being specifically designed to detection and key.
Simulated engine control unit, for the function of simulated engine controller, carries out mutual certification with anti-theft controller, as carried out mutual certification by PIN code.Certainly, different from real engine controller, this simulated engine control unit only carries out the mutual certification with anti-theft controller, and does not really control driving engine.Simulated engine control unit carries out certification PIN code used and key can obtain from anti-theft controller, also can be supplied to anti-theft controller (namely anti-theft controller uses the PIN code and key that are provided by anti-theft controller check implement when detecting) by anti-theft controller check implement, also can be the pre-set PIN code being specifically designed to detection and key.
Obviously, above-mentioned simulation key unit and simulated engine control unit need not be real repeater and engine controller, as long as it has specific data-handling capacity, as can be two chips; But preferred, simulation key unit and simulated engine control unit accessible site are integrated, such as, be chip piece, can reduce costs like this, simplified structure, and the data exchange between both convenience.
Coupling end, it is connected with simulated engine control unit (in other words chip) with simulation key unit, and for connecting anti-theft controller, thus provides the passage of data interaction for anti-theft controller check implement and anti-theft controller.Preferably, this coupling end is the coupling end of the K line cap for connecting anti-theft controller, and K line cap and W line cap are all COM port conventional on anti-theft controller, and W line cap is generally used for being connected with engine controller; Therefore, if coupling end is connected with K line cap, then anti-theft controller check implement can detect mounted in a vehicle anti-theft controller (i.e. W line be still connected with engine controller anti-theft controller), and need not non-ly be pulled down.
Result output unit, it is for output detections result (information that this testing result can return to anti-theft controller check implement according to anti-theft controller draws).The concrete output intent of testing result is various, as luminescence, sounding, display image, printing etc.Preferably, result output unit comprises at least one in LED, read-out, loud speaker, and the result output unit of these types is common, cost is low (especially LED cost is minimum), easy to use.Such as, if result output unit is LED, then its available different lighting mode represents different testing results, as LED in the process detected can the cycle of 0.5 second and the frequency scintillation of 2Hz, can not again mate (namely anti-theft controller has problem) if testing result is anti-theft controller, LED can the cycle of 3 seconds and the frequency scintillation of 0.33Hz, can again mate (namely anti-theft controller is normal) if testing result is anti-theft controller, and LED can Chang Liang; Read-out, loud speaker are then by the direct mode output detections result such as display, sounding.Certainly, also can comprise multiple output means in result output unit simultaneously, as while sounding and display.
When anti-theft controller check implement detects, external power supply can be used for its power supply; When detecting mounted in a vehicle anti-theft controller, anti-theft controller check implement also can use conventional 12V vehicle power.But preferred, anti-theft controller check implement itself is namely with power supply, and this power supply can be powered with to simulation key unit, simulated engine control unit, result output unit; Like this, anti-theft controller check implement can be used as a kind of portable equipment, detect anti-theft controller (power supply of anti-theft controller check implement also can be used for powering to anti-theft controller) whenever and wherever possible, and when detecting the anti-theft controller of entrucking, also the operation connecting vehicle power need not be carried out again, very convenient.
Obviously, the anti-theft controller check implement of the various embodiments described above also can carry out many changes; Such as: coupling end also can be used for being connected with other port of anti-theft controller; Result output unit also can be other form; Also the conventional components such as shell, source switch, portable handle can be comprised in anti-theft controller check implement.
Embodiment 3:
The present embodiment provides a kind of method of inspection of anti-theft controller, and it comprises the following steps:
S01, the coupling end of anti-theft controller with the anti-theft controller check implement of above-described embodiment to be connected.
S02, the anti-theft controller simulation key unit to anti-theft controller check implement carries out certification, and carries out mutual certification with the simulated engine control unit of anti-theft controller check implement.
The result output unit of S03, anti-theft controller check implement is according to the authentication result output detections result of S02.
Visible, can the method for inspection of the anti-theft controller of the present embodiment accurately can detect separately anti-theft controller and normally work; Therefore, can first detect its quality before by anti-theft controller entrucking, if there is problem, directly keep in repair, need not entrucking again, key etc. is set, simple to operate; Meanwhile, for disabled vehicle, then can detect whether its problem goes out at anti-theft controller accurately, thus accurate localizing faults, improve maintenance efficiency; In addition, for the anti-theft controller that scrap car disassembles, also its quality can be detected, to determine whether it can re-use, cost-saving.
Embodiment 4:
The present embodiment provides a kind of method of inspection of anti-theft controller, and it comprises the following steps:
S01, the coupling end of the K line cap of anti-theft controller with above-mentioned anti-theft controller check implement to be connected.Certainly, anti-theft controller now can be mounted in a vehicle (being namely arranged in Motronic control maps locking anti-theft system), also can (the such as new production or split get off) of individualism; If anti-theft controller now fills onboard, different from data channel (as antitheft coil, W line) used in actual use owing to carrying out detecting data channel (as K line) used, therefore it can not have an impact to other unit of Motronic control maps locking anti-theft system, can not bring safety problem.
S02, anti-theft controller check implement obtain the authentication code of anti-theft controller and key, thus authentication code in anti-theft controller check implement and key realize synchronous with the authentication code in anti-theft controller and key, so that certification afterwards.This acquisition operation can be undertaken by simulation key unit, also can be undertaken (now the authentication code got and key also will be sent to simulation key unit by this specialized units) by the unit arranged special in anti-theft controller check implement.
S03, the anti-theft controller simulation key unit to anti-theft controller check implement carries out certification, this certification preferably adopts conventional authentication code authentication method, namely simulate key unit and send to anti-theft controller with after its secret key encryption authentication code by K line, anti-theft controller compares with the authentication code oneself stored with after its secret key decryption authentication code, if identical, certification is passed through, and difference is authentification failure then; Certainly, the result of this certification also returns to anti-theft controller check implement by K line.Because specific algorithm used in certification, data interaction flow process etc. have multiple choices, therefore just no longer specifically describe at this.
S04, anti-theft controller check implement obtain the PIN code of anti-theft controller and key, thus PIN code in PIN code in anti-theft controller check implement and key and anti-theft controller and key synchronization, so that certification afterwards.This acquisition operation can be undertaken by simulated engine control unit, also can be undertaken (now this specialized units also will send the PIN code got and key to simulated engine control unit) by the unit arranged special in anti-theft controller check implement.
Simulated engine control unit and the anti-theft controller of S05, anti-theft controller check implement carry out mutual certification, and this certification preferably adopts conventional PIN code authentication method; Certainly, the result of this certification also returns to anti-theft controller check implement by K line.Because specific algorithm used in certification, data interaction flow process etc. have multiple choices, therefore just no longer specifically describe at this.
The result output unit of S06, anti-theft controller check implement is according to the result output detections result of above-mentioned certification.Certainly, the way of output of this testing result can be various; Such as when go wrong in certain step (as authentification failure, PIN code etc. cannot be obtained from anti-theft controller) time, can direct termination detection show anti-theft controller and have problem, also can continue the testing process of attempting carrying out full; The content exported can only represent that anti-theft controller is normal or has problem, also can comprise concrete problem types.
Embodiment 5:
The present embodiment provides a kind of method of inspection of anti-theft controller, and the method for inspection of the anti-theft controller of itself and embodiment 4 is similar, and difference is:
In step S02 and S04, anti-theft controller check implement is not the authentication code, PIN code, key etc. that obtain anti-theft controller; But provide authentication code, PIN code, key to anti-theft controller, same like this play synchronous the two authentication code, PIN code, key effect.Certainly, the authentication code that this step provides to anti-theft controller, PIN code, key can substitute original authentication code, PIN code, the key stored in anti-theft controller, namely testing process is also equivalent to carry out resetting or upgrading (certainly to anti-theft controller, if detect new anti-theft controller in this way, then testing process and the process writing data wherein can be united); Or, the authentication code that this step writes to anti-theft controller, PIN code, key also can be " temporarily ", namely only use in testing process, and in anti-theft controller, original authentication code, PIN code, key still remain unchanged, if anti-theft controller is no problem, then it can directly continue to use.
Obviously, the method for inspection of the anti-theft controller of the various embodiments described above also can carry out many changes; Such as: also can comprise the step switched on power by anti-theft controller check implement, or be included in and detect that anti-theft controller has the step etc. reset it during problem; The authentication sequence of simulation key unit and simulated engine control unit can be exchanged, and can produce safety problem in actual use although it is so, but be feasible in verification process; The concrete order of the step of synchronous authentication code, key, PIN code can be different, as long as when ensureing to carry out certification, its data used synchronously (such as can be once all synchronous by authentication code, key, PIN code, merge by S02 and the S04 step in embodiment 4 and embodiment 5); Also can not have the step of synchronous authentication code, key, PIN code, but in anti-theft controller, all prestore the parameter being specifically designed to detection, this parameter only for detecting, can not be used for actual start the engine, thus ensure that safety.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (9)
1. an anti-theft controller check implement, is characterized in that, comprising: simulation key unit, simulated engine control unit, result output unit and the coupling end be connected with simulated engine control unit with described simulation key unit;
Simulation key unit, for simulating key, and sends authentication information by data line to described anti-theft controller by coupling end;
Simulated engine control unit, carries out mutual certification for simulated engine controller and described anti-theft controller;
Result output unit, is connected with simulated engine control unit with described simulation key unit, for output detections result;
Coupling end is the coupling end of the K line cap for connecting described anti-theft controller, K line cap is the COM port on anti-theft controller, it is not connected with engine controller, to make this check implement can either detect mounted in a vehicle anti-theft controller, also can detect the anti-theft controller of individualism.
2. anti-theft controller check implement according to claim 1, is characterized in that,
Described simulation key unit and described simulated engine control unit become one.
3. anti-theft controller check implement according to claim 1, is characterized in that, described result output unit comprises at least one in LED, read-out, loud speaker.
4. anti-theft controller check implement as claimed in any of claims 1 to 3, is characterized in that, also comprise:
For the power supply of powering to described simulation key unit, simulated engine control unit, result output unit.
5. a method of inspection for anti-theft controller, is characterized in that, comprising:
Step 1, the K line cap of described anti-theft controller to be connected by the coupling end of data line with the anti-theft controller check implement described in any one in Claims 1-4;
Step 2, the described anti-theft controller simulation key unit to described anti-theft controller check implement carries out certification, and carries out mutual certification with the simulated engine control unit of described anti-theft controller check implement;
The result output unit of step 3, described anti-theft controller check implement is according to the authentication result output detections result of described step 2;
Coupling end is the coupling end of the K line cap for connecting described anti-theft controller, K line cap is the COM port on anti-theft controller, it is not connected with engine controller, to make this check implement can either detect mounted in a vehicle anti-theft controller, also can detect the anti-theft controller of individualism.
6. the method for inspection of anti-theft controller according to claim 5, is characterized in that, described anti-theft controller carries out certification to described simulation key unit and is specially:
Described anti-theft controller utilizes authentication code to carry out certification to described simulation key unit.
7. the method for inspection of anti-theft controller according to claim 6, is characterized in that, between described step 1 and step 2, also comprises:
Described anti-theft controller check implement obtains authentication code and the key of described anti-theft controller; Or
Described anti-theft controller check implement provides authentication code and key to described anti-theft controller.
8. the method for inspection of anti-theft controller according to claim 5, is characterized in that, described anti-theft controller and described simulated engine control unit carry out mutual certification and be specially:
Described anti-theft controller utilizes PIN code and described simulated engine control unit to carry out mutual certification.
9. the method for inspection of anti-theft controller according to claim 8, is characterized in that, between described step 1 and step 2, also comprises:
Described anti-theft controller check implement obtains PIN code and the key of described anti-theft controller; Or
Described anti-theft controller check implement provides PIN code and key to described anti-theft controller.
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| CN201110390692.1A CN102490683B (en) | 2011-11-24 | 2011-11-24 | Equipment and method for detecting theftproof controller |
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| CN201110390692.1A CN102490683B (en) | 2011-11-24 | 2011-11-24 | Equipment and method for detecting theftproof controller |
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| CN102490683B true CN102490683B (en) | 2015-01-28 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102941841B (en) * | 2012-11-26 | 2016-08-24 | 深圳市元征科技股份有限公司 | Automobile anti-theft electronic key matching system and method |
| CN103552539B (en) * | 2013-11-11 | 2015-08-12 | 奇瑞汽车股份有限公司 | A kind of automotive theft proof system and method |
| CN108226837A (en) * | 2016-12-22 | 2018-06-29 | 广州周立功单片机科技有限公司 | Keyless entry key automatic calibration system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320491A (en) * | 2007-06-08 | 2008-12-10 | 联创汽车电子有限公司 | Automobile anti-theft system |
| CN101439703A (en) * | 2008-12-22 | 2009-05-27 | 奇瑞汽车股份有限公司 | Engine theftproof system, anti-theft method and vehicle body controller with anti-theft function |
| CN201347051Y (en) * | 2008-12-19 | 2009-11-18 | 重庆集诚汽车电子有限责任公司 | Passive keyless control system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320491A (en) * | 2007-06-08 | 2008-12-10 | 联创汽车电子有限公司 | Automobile anti-theft system |
| CN201347051Y (en) * | 2008-12-19 | 2009-11-18 | 重庆集诚汽车电子有限责任公司 | Passive keyless control system |
| CN101439703A (en) * | 2008-12-22 | 2009-05-27 | 奇瑞汽车股份有限公司 | Engine theftproof system, anti-theft method and vehicle body controller with anti-theft function |
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