{"id":1632,"date":"2021-03-17T09:04:44","date_gmt":"2021-03-17T01:04:44","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=1632"},"modified":"2021-04-19T16:02:06","modified_gmt":"2021-04-19T08:02:06","slug":"gb-t-39851-2-2021%e8%8b%b1%e6%96%87%e7%89%88-%e9%81%93%e8%b7%af%e8%bd%a6%e8%be%86-%e5%9f%ba%e4%ba%8e%e6%8e%a7%e5%88%b6%e5%99%a8%e5%b1%80%e5%9f%9f%e7%bd%91%e7%9a%84%e8%af%8a%e6%96%ad%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=1632","title":{"rendered":"GB\/T 39851.2-2021\u82f1\u6587\u7248\/\u9053\u8def\u8f66\u8f86 \u57fa\u4e8e\u63a7\u5236\u5668\u5c40\u57df\u7f51\u7684\u8bca\u65ad\u901a\u4fe1 \u7b2c2\u90e8\u5206\uff1a\u4f20\u8f93\u5c42\u534f\u8bae\u548c\u7f51\u7edc\u5c42\u670d\u52a1"},"content":{"rendered":"

ChinaAutoRegs\uff5cGB\/T 39851.2-2021\u82f1\u6587\u7248\/\u9053\u8def\u8f66\u8f86 \u57fa\u4e8e\u63a7\u5236\u5668\u5c40\u57df\u7f51\u7684\u8bca\u65ad\u901a\u4fe1 \u7b2c2\u90e8\u5206\uff1a\u4f20\u8f93\u5c42\u534f\u8bae\u548c\u7f51\u7edc\u5c42\u670d\u52a1
\nRoad vehicles\u2014Diagnostic communication over Controller Area Network\uff08DoCAN\uff09\u2014Part 2\uff1aTranport protocol and network layer services<\/p>\n

<\/p>\n

1 \u8303\u56f4
\nGB\/T39851\u7684\u672c\u90e8\u5206\u89c4\u5b9a\u4e86\u8f66\u8f7dCAN \u7f51\u7edc\u7cfb\u7edf(ISO11898-1:2015)\u9700\u6c42\u7684\u4f20\u8f93\u5c42\u534f\u8bae\u548c\u7f51\u7edc\u5c42\u670d\u52a1,\u8be5\u670d\u52a1\u57fa\u4e8eISO14229-1\u548cISO15031-5\u4e2d\u5b9a\u4e49\u7684\u8bca\u65ad\u670d\u52a1\u3002
\n\u672c\u90e8\u5206\u9002\u7528\u4e8eISO14229-1\u548cISO15031-5\u5b9a\u4e49\u7684\u8bca\u65ad\u670d\u52a1,\u4e5f\u9002\u7528\u4e8e\u5176\u4ed6\u8f66\u8f7d\u7f51\u7edc\u901a\u4fe1\u3002
\nISO11898-1:2015\u63cf\u8ff0\u4e86\u591a\u79cd\u957f\u5ea6\u7684CAN \u5e27,\u8fd9\u4e9b\u5e27\u7684\u6700\u5927\u6709\u6548\u8f7d\u8377\u5927\u5c0f\u57fa\u4e8e\u4f7f\u7528\u8bbe\u5907\u7684\u534f\u8bae\u3002
\nCLASSICALCAN \u534f\u8bae\u8bbe\u5907\u53ef\u4ee5\u6536\u53d1\u6709\u6548\u8f7d\u8377\u5927\u5c0f\u4e3a(0~8)\u5b57\u8282\u7684\u5e27\u3002CANFD(\u7075\u6d3b\u6570\u636e\u901f\u7387)\u534f\u8bae\u8bbe\u5907\u53ef\u4ee5\u6536\u53d1\u6709\u6548\u8f7d\u8377\u5927\u5c0f\u4e3a(0~64)\u5b57\u8282\u7684\u5e27\u3002CAN FD \u534f\u8bae\u8bbe\u5907\u4e5f\u80fd\u591f\u6536\u53d1CLASSICALCAN \u5e27\u3002
\n\u57fa\u4e8e\u63a7\u5236\u5668\u5c40\u57df\u7f51(DoCAN)\u7684\u8bca\u65ad\u901a\u4fe1\u534f\u8bae\u652f\u6301ISO14229-2\u4e2d\u89c4\u5b9a\u7684\u6807\u51c6\u670d\u52a1\u539f\u8bed\u63a5\u53e3\u3002
\n\u672c\u90e8\u5206\u63d0\u4f9b\u7684\u4f20\u8f93\u534f\u8bae\u548c\u7f51\u7edc\u5c42\u670d\u52a1\u652f\u6301\u4e0d\u540c\u5e94\u7528\u5c42\u7684\u5e94\u7528,\u4f8b\u5982:
\n\u2014\u2014\u2014\u589e\u5f3a\u578b\u8f66\u8f7d\u8bca\u65ad(\u8d85\u51fa\u6cd5\u5b9a\u529f\u80fd\u7684\u6392\u653e\u76f8\u5173\u7cfb\u7edf\u8bca\u65ad\u3001\u975e\u6392\u653e\u76f8\u5173\u7cfb\u7edf\u8bca\u65ad);
\n\u2014\u2014\u2014ISO15031\u4e2d\u89c4\u5b9a\u7684\u6392\u653e\u76f8\u5173\u8f66\u8f7d\u8bca\u65ad\u7cfb\u7edf(OBD);
\n\u2014\u2014\u2014ISO27145\u4e2d\u89c4\u5b9a\u7684\u5168\u7403\u534f\u8c03\u8f66\u8f7d\u8bca\u65ad\u7cfb\u7edf(WWH-OBD);
\n\u2014\u2014\u2014ISO26021-1\u4e2d\u89c4\u5b9a\u8f66\u8f7d\u70b9\u706b\u88c5\u7f6e\u62a5\u5e9f\u671f\u7684\u6fc0\u6d3b\u3002
\n\u4f20\u8f93\u5c42\u534f\u8bae\u672a\u5b9a\u4e49\u786e\u5b9a\u7684\u901a\u4fe1\u7c7b\u578b\u3002
\n2 \u89c4\u8303\u6027\u5f15\u7528\u6587\u4ef6
\n\u4e0b\u5217\u6587\u4ef6\u5bf9\u4e8e\u672c\u6587\u4ef6\u7684\u5e94\u7528\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u51e1\u662f\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587\u4ef6,\u4ec5\u6ce8\u65e5\u671f\u7684\u7248\u672c\u9002\u7528\u4e8e\u672c\u6587\u4ef6\u3002\u51e1\u662f\u4e0d\u6ce8\u65e5\u671f\u7684\u5f15\u7528\u6587\u4ef6,\u5176\u6700\u65b0\u7248\u672c(\u5305\u62ec\u6240\u6709\u7684\u4fee\u6539\u5355)\u9002\u7528\u4e8e\u672c\u6587\u4ef6\u3002
\nISO\/IEC7498-1 \u4fe1\u606f\u6280\u672f \u5f00\u653e\u7cfb\u7edf\u4e92\u8054 \u57fa\u672c\u53c2\u8003\u6a21\u578b \u7b2c1\u90e8\u5206:\u57fa\u7840\u6a21\u578b(Information
\ntechnology\u2014Opensystemsinterconnection\u2014Basicreferencemodel\u2014Part1:Thebasicmodel)
\nISO11898-1:2015 \u9053\u8def\u8f66\u8f86 \u63a7\u5236\u5668\u5c40\u57df\u7f51(CAN) \u7b2c1\u90e8\u5206:\u6570\u636e\u94fe\u8def\u5c42\u548c\u7269\u7406\u4fe1\u4ee4[Road
\nvehicles\u2014Controllerareanetwork(CAN)\u2014Part1:Datalinklayerandphysicalsignalling]
\n3 \u672f\u8bed\u3001\u5b9a\u4e49\u548c\u7f29\u7565\u8bed
\n3.1 \u672f\u8bed\u548c\u5b9a\u4e49
\nISO\/IEC7498-1\u3001ISO11898-1:2015\u754c\u5b9a\u7684\u4ee5\u53ca\u4e0b\u5217\u672f\u8bed\u548c\u5b9a\u4e49\u9002\u7528\u4e8e\u672c\u6587\u4ef6\u3002
\n3.1.1
\nCAN \u5e27\u6570\u636e\u957f\u5ea6 CANframedatalength;CAN_DL
\n\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u7684CAN \u5e27\u6570\u636e\/\u6709\u6548\u8f7d\u8377\u7684\u7269\u7406\u957f\u5ea6\u3002
\n3.1.2
\n\u53d1\u9001\u6570\u636e\u94fe\u8def\u5c42\u6570\u636e\u957f\u5ea6 transmitdatalinklayerdatalength;TX_DL
\n\u53d1\u9001\u7aef\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u7684\u6570\u636e\u94fe\u8def\u5c42\u6700\u5927\u53ef\u7528\u6709\u6548\u8f7d\u8377\u957f\u5ea6,\u7528\u4e8e\u6267\u884c\u672c\u90e8\u5206\u4e2d\u5b9a\u4e49\u7684\u7f51\u7edc\u5c42\u5e94\u7528\u3002
\n\u6ce8:TX_DL\u662f\u4e00\u4e2a\u53d1\u9001\u7aef\u5728\u53d1\u9001PDU \u65f6\u56fa\u5b9a\u914d\u7f6e\u7684\u503c\u3002
\n3.1.3
\n\u63a5\u6536\u6570\u636e\u94fe\u8def\u5c42\u6570\u636e\u957f\u5ea6 receiveddatalinklayerdatalength;RX_DL
\n\u63a5\u6536\u7aef\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u7684\u6570\u636e\u94fe\u8def\u5c42\u68c0\u7d22\u6700\u5927\u53ef\u7528\u6709\u6548\u8f7d\u8377\u957f\u5ea6,\u7528\u4e8e\u6267\u884c\u672c\u90e8\u5206\u4e2d\u5b9a\u4e49\u7684\u7f51\u7edc\u5c42
\n\u5e94\u7528\u3002
\n\u6ce8:RX_DL\u4ece\u5206\u6bb5PDU \u4e2d\u7684\u9996\u5e27CAN_DL\u4e2d\u56de\u8bfb,\u7528\u4e8e\u9a8c\u8bc1\u8fde\u7eed\u5e27\u4e2d\u6b63\u786e\u7684\u6570\u636e\u957f\u5ea6\u3002
\n3.2 \u7f29\u7565\u8bed
\n\u4e0b\u5217\u7f29\u7565\u8bed\u9002\u7528\u4e8e\u672c\u6587\u4ef6\u3002
\nBRS:\u4f4d\u901f\u7387\u8f6c\u6362(Bitrateswitch)
\nBS:\u5757\u5927\u5c0f(BlockSize)
\nCAN:\u63a7\u5236\u5668\u5c40\u57df\u7f51(Controllerareanetwork)
\nCAN_DL:\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u7684CAN \u5e27\u6570\u636e\u94fe\u8def\u5c42\u6570\u636e\u957f\u5ea6(CANframedatalinklayerdatalength
\ninbytes)
\nCANFD:ISO11898-1:2015 \u5b9a\u4e49\u7684\u62e5\u6709\u53ef\u53d8\u6570\u636e\u901f\u7387\u548c\u8f83\u5927\u6709\u6548\u8f7d\u8377\u7684\u63a7\u5236\u5668\u5c40\u57df\u7f51
\n(ControllerareanetworkwithflexibledatarateandlargerpayloadasdefinedinISO11898-1:2015)
\nCLASSICALCAN:ISO11898-1:2015\u5b9a\u4e49\u7684\u62e5\u6709\u9759\u6001\u6570\u636e\u901f\u7387\u548c\u6700\u5927\u4e3a8\u4e2a\u6570\u636e\u5b57\u8282\u7684\u63a7\u5236\u5668
\n\u5c40\u57df\u7f51(Controllerareanetworkwithstaticdatarateandupto8databytesasdefinedinISO11898-1:
\n2015)
\nCF:\u8fde\u7eed\u5e27(ConsecutiveFrame)
\nCTS:\u7ee7\u7eed\u53d1\u9001(Continuetosend)
\nDLC:\u6570\u636e\u957f\u5ea6\u4ee3\u7801(CANframedatalinklayerdatalengthcode)
\nDoCAN:\u57fa\u4e8e\u63a7\u5236\u5668\u5c40\u57df\u7f51\u7684\u8bca\u65ad\u901a\u4fe1(Diagnosticcommunicationovercontrollerareanetwork)
\nECU:\u7535\u5b50\u63a7\u5236\u5355\u5143(Electroniccontrolunit)
\nFC:\u6d41\u63a7\u5e27(FlowControl)
\nFF:\u9996\u5e27(FirstFrame)
\nFF_DL:\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u7684\u9996\u5e27\u6570\u636e\u957f\u5ea6(FirstFramedatalengthinbytes)
\nFMI:\u5931\u6548\u6307\u793a\u5668(Failuremodeindicator)
\nFS:\u6d41\u63a7\u72b6\u6001(FlowStatus)
\nMtype:\u62a5\u6587\u7c7b\u578b(Messagetype)
\nN\/A:\u4e0d\u9002\u7528(Notapplicable)
\nN_AE:\u7f51\u7edc\u6269\u5c55\u5730\u5740(Networkaddressextension)
\nN_AI:\u7f51\u7edc\u5730\u5740\u4fe1\u606f(Networkaddressinformation)
\nN_Ar:\u7f51\u7edc\u5c42\u5b9a\u65f6\u53c2\u6570Ar(NetworklayertimingparameterAr)
\nN_As:\u7f51\u7edc\u5c42\u5b9a\u65f6\u53c2\u6570As(NetworklayertimingparameterAs)
\nN_Br:\u7f51\u7edc\u5c42\u5b9a\u65f6\u53c2\u6570Br(NetworklayertimingparameterBr)
\nN_Bs:\u7f51\u7edc\u5c42\u5b9a\u65f6\u53c2\u6570Bs(NetworklayertimingparameterBs)
\nN_ChangeParameter:\u7f51\u7edc\u5c42\u670d\u52a1\u540d\u79f0(Networklayerservicename)
\nN_Cr:\u7f51\u7edc\u5c42\u5b9a\u65f6\u53c2\u6570Cr(NetworklayertimingparameterCr)
\nN_Cs:\u7f51\u7edc\u5c42\u5b9a\u65f6\u53c2\u6570Cs(NetworklayertimingparameterCs)
\nN_Data:\u7f51\u7edc\u6570\u636e(Networkdata)
\nN_PCI:\u7f51\u7edc\u534f\u8bae\u63a7\u5236\u4fe1\u606f(Networkprotocolcontrolinformation)
\nN_PCItype:\u7f51\u7edc\u534f\u8bae\u63a7\u5236\u4fe1\u606f\u7c7b\u578b(Networkprotocolcontrolinformationtype)
\nN_PDU:\u7f51\u7edc\u534f\u8bae\u6570\u636e\u5355\u5143(Networkprotocoldataunit)
\nN_SA:\u7f51\u7edc\u6e90\u5730\u5740(Networksourceaddress)
\nN_SDU:\u7f51\u7edc\u670d\u52a1\u6570\u636e\u5355\u5143(Networkservicedataunit)
\nN_TA:\u7f51\u7edc\u76ee\u6807\u5730\u5740(Networktargetaddress)
\nN_TAtype:\u7f51\u7edc\u76ee\u6807\u5730\u5740\u7c7b\u578b(Networktargetaddresstype)
\nN_USData:\u7f51\u7edc\u5c42\u672a\u786e\u8ba4\u7684\u5206\u6bb5\u6570\u636e\u4f20\u8f93\u670d\u52a1\u540d\u79f0(Networklayerunacknowledgedsegmented
\ndatatransferservicename)
\nNW:\u7f51\u7edc(Network)
\nNWL:\u7f51\u7edc\u5c42(Networklayer)
\nOBD:\u8f66\u8f7d\u8bca\u65ad\u7cfb\u7edf(On-boarddiagnostics)
\nOSI:\u5f00\u653e\u7cfb\u7edf\u4e92\u8054(Opensystemsinterconnection)
\nPCI:\u534f\u8bae\u63a7\u5236\u4fe1\u606f(Protocolcontrolinformation)
\nRX_DL:\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u7684\u63a5\u6536\u6570\u636e\u94fe\u8def\u5c42\u6570\u636e\u957f\u5ea6(Receiveddatalinklayerdatalengthinbytes)
\nSF:\u5355\u5e27(SingleFrame)
\nSF_DL:\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u7684\u5355\u5e27\u6570\u636e\u957f\u5ea6(SingleFramedatalengthinbytes)
\nSN:\u5e8f\u5217\u53f7(Sequencenumber)
\nSPN:\u53ef\u7591\u53c2\u6570\u7f16\u53f7(Suspectparameternumber)
\nSTmin:\u6700\u5c0f\u65f6\u95f4\u95f4\u9694(Separationtimeminimum)
\nTX_DL:\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u7684\u53d1\u9001\u6570\u636e\u94fe\u8def\u5c42\u6570\u636e\u957f\u5ea6(Transmitdatalinklayerdatalengthinbytes)
\nUDS:\u7edf\u4e00\u8bca\u65ad\u670d\u52a1(Unifieddiagnosticservices)
\nWWH-OBD:\u5168\u7403\u534f\u8c03\u8f66\u8f7d\u8bca\u65ad\u7cfb\u7edf(World-wideharmonizedon-boarddiagnostics)
\n4 \u7ea6\u5b9a
\n\u672c\u90e8\u5206\u9075\u5faa\u9002\u7528\u4e8e\u8bca\u65ad\u670d\u52a1\u7684OSI\u670d\u52a1\u516c\u7ea6(ISO\/IEC10731)\u4e2d\u7684\u7ea6\u5b9a\u3002
\n5 \u6982\u8ff0
\n5.1 \u5f00\u653e\u7cfb\u7edf\u4e92\u8054(OSI)\u6a21\u578b
\n5.1.1 \u672c\u90e8\u5206\u91c7\u7528ISO\/IEC7498-1\u89c4\u5b9a\u7684\u5f00\u653e\u7cfb\u7edf\u4e92\u8054(OSI)\u57fa\u672c\u53c2\u8003\u6a21\u578b,\u8be5\u6a21\u578b\u5c06\u901a\u4fe1\u7cfb\u7edf\u5212\u5206\u4e3a\u4e03\u5c42\u3002
\n5.1.2 \u672c\u90e8\u5206\u9075\u5faaOSI\u670d\u52a1\u516c\u7ea6(ISO\/IEC10731)\u8ba8\u8bba\u7684\u9002\u7528\u4e8e\u8bca\u65ad\u670d\u52a1\u7684\u7ea6\u5b9a,\u8fd9\u4e9b\u7ea6\u5b9a\u901a\u8fc7\u670d\u52a1\u539f\u8bed\u5b9a\u4e49\u4e86\u670d\u52a1\u7528\u6237\u548c\u670d\u52a1\u63d0\u4f9b\u8005\u4e4b\u95f4\u7684\u4ea4\u4e92,\u76ee\u7684\u662f\u6982\u8ff0OSI\u6a21\u578b,\u5e76\u5c06\u5176\u4f5c\u4e3a\u672c\u90e8\u5206\u7684\u4f7f\u7528\u6307\u5357,\u540c\u65f6\u8bf4\u660eOSI\u670d\u52a1\u516c\u7ea6\u5e94\u7528\u4e8e\u672c\u90e8\u5206\u3002
\n5.1.3 OSI\u6a21\u578b\u5c06\u6570\u636e\u901a\u4fe1\u7ed3\u6784\u5212\u5206\u4e3a\u4e03\u5c42,\u4ece\u4e0a\u81f3\u4e0b\u4f9d\u6b21\u662f\u5e94\u7528\u5c42(\u7b2c7\u5c42)\u3001\u8868\u793a\u5c42(\u7b2c6\u5c42)\u3001\u4f1a\u8bdd\u5c42(\u7b2c5\u5c42)\u3001\u4f20\u8f93\u5c42(\u7b2c4\u5c42)\u3001\u7f51\u7edc\u5c42(\u7b2c3\u5c42)\u3001\u6570\u636e\u94fe\u8def\u5c42(\u7b2c2\u5c42)\u548c\u7269\u7406\u5c42(\u7b2c1\u5c42)\u3002
\n5.1.4 \u672c\u90e8\u5206\u4f7f\u7528\u4e86\u4e03\u5c42\u7ed3\u6784\u6a21\u578b\u7684\u4e00\u4e2a\u5b50\u96c6,\u8be5\u5b50\u96c6\u89c4\u5b9a\u4e86DoCAN \u7684\u5e94\u7528\u5c42\u3001\u4f1a\u8bdd\u5c42\u3001\u4f20\u8f93\u5c42\u3001\u7f51\u7edc\u5c42\u3001\u6570\u636e\u94fe\u8def\u5c42\u548c\u7269\u7406\u5c42\u3002
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\n5.1.8 \u56fe1\u7ed9\u51fa\u4e86\u4f7f\u7528DoCAN \u534f\u8bae\u6700\u5408\u9002\u7684\u5e94\u7528\u5b9e\u65bd\u65b9\u6cd5\u3002
\n5.2 \u8bca\u65ad\u7f51\u7edc\u67b6\u6784
\n5.2.1 \u8bca\u65ad\u7f51\u7edc
\n5.2.1.1 \u8bca\u65ad\u7f51\u7edc\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53,\u5305\u542b\u53ef\u76f8\u4e92\u901a\u4fe1\u7684\u6240\u6709\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u3002
\n5.2.1.2 \u8bca\u65ad\u7f51\u7edc\u53ef\u4ee5\u662f\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u4e4b\u95f4\u7b80\u5355\u7684\u70b9\u5bf9\u70b9\u8fde\u63a5,\u4e5f\u53ef\u4ee5\u662f\u901a\u8fc7\u7f51\u5173\u8fde\u63a5\u591a\u4e2a\u7269\u7406\u5b50\u7f51\u7684\u590d\u6742\u5206\u5e03\u5f0f\u7f51\u7edc\u67b6\u6784\u3002
\n5.2.2 \u8bca\u65ad\u5b50\u7f51
\n\u540c\u4e00\u5b50\u7f51\u7684\u6240\u6709\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u90fd\u8fde\u63a5\u76f8\u540c\u7684\u7269\u7406\u901a\u4fe1\u94fe\u8def\u3002\u5728\u672c\u90e8\u5206\u8303\u56f4\u5185,\u540c\u4e00\u5b50\u7f51\u7684\u6240\u6709\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u90fd\u8fde\u63a5\u76f8\u540c\u7684\u7269\u7406CAN \u7f51\u7edc\u4e14\u76f8\u4e92\u95f4\u53ef\u76f4\u63a5\u901a\u4fe1\u3002
\n5.2.3 \u8bca\u65ad\u7f51\u5173
\n5.2.3.1 \u8bca\u65ad\u7f51\u5173\u662f\u8fde\u63a5\u5230\u4e24\u4e2a\u6216\u591a\u4e2a\u7269\u7406\u5b50\u7f51\u7684\u7f51\u7edc\u8282\u70b9,\u4e14\u5177\u5907\u5728\u5b50\u7f51\u95f4\u4f20\u8f93\u8bca\u65ad\u62a5\u6587\u7684\u80fd\u529b\u3002
\n5.2.3.2 \u901a\u8fc7\u8bca\u65ad\u7f51\u5173\u8fde\u63a5\u5404\u4e2a\u5b50\u7f51\u5efa\u7acb\u66f4\u5927\u7684\u8bca\u65ad\u7f51\u7edc\u67b6\u6784\u3002
\n5.3 DoCAN \u7528\u4f8b\u6982\u8ff0
\nDoCAN \u534f\u8bae\u7528\u4f8b\u6765\u6e90\u4e8e\u4ee5\u4e0b\u8bca\u65ad\u901a\u4fe1\u7684\u4f7f\u7528\u9886\u57df:
\n\u2014\u2014\u2014\u8f66\u8f86\/ECU \u5de5\u7a0b(\u5f00\u53d1);
\n\u2014\u2014\u2014\u8f66\u8f86\/ECU \u5236\u9020(\u751f\u4ea7\u8f66\u95f4\u3001\u88c5\u914d\u7ebf);
\n\u2014\u2014\u2014\u670d\u52a1(\u7ecf\u9500\u5546\u3001\u552e\u540e\u7ef4\u4fee\u5e97);
\n\u2014\u2014\u2014\u6807\u51c6\u68c0\u67e5(\u6392\u653e\u68c0\u6d4b\u3001\u5b89\u5168\u68c0\u6d4b)\u3002
\n\u6ce8:\u672c\u90e8\u5206\u5173\u6ce8\u652f\u6301\u4e0a\u8ff0\u7528\u4f8b\u6240\u9700\u8981\u7684\u901a\u4fe1\u534f\u8bae\u89c4\u5b9a,\u672a\u6307\u5b9a\u6570\u636e\u5185\u5bb9\u3001\u4fe1\u53f7\u66f4\u65b0\u9891\u7387\u3001\u4fe1\u53f7\u6709\u6548\u6027\u7b49\u3002<\/p>\n

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