{"id":129,"date":"2026-07-03T16:56:15","date_gmt":"2026-07-03T08:56:15","guid":{"rendered":"https:\/\/www.deartester.com\/index.php\/2026\/07\/03\/%e6%b1%bd%e8%bd%a6%e6%80%bb%e7%ba%bf%e5%ae%89%e5%85%a8%e6%b5%8b%e8%af%95%e5%85%a5%e9%97%a8%ef%bc%9a%e5%9f%ba%e4%ba%8ecan%e6%80%bb%e7%ba%bf%e7%9a%84%e6%a8%a1%e7%b3%8a%e6%b3%a8%e5%85%a5%e6%94%bb\/"},"modified":"2026-07-03T16:56:15","modified_gmt":"2026-07-03T08:56:15","slug":"%e6%b1%bd%e8%bd%a6%e6%80%bb%e7%ba%bf%e5%ae%89%e5%85%a8%e6%b5%8b%e8%af%95%e5%85%a5%e9%97%a8%ef%bc%9a%e5%9f%ba%e4%ba%8ecan%e6%80%bb%e7%ba%bf%e7%9a%84%e6%a8%a1%e7%b3%8a%e6%b3%a8%e5%85%a5%e6%94%bb","status":"publish","type":"post","link":"https:\/\/www.deartester.com\/index.php\/2026\/07\/03\/%e6%b1%bd%e8%bd%a6%e6%80%bb%e7%ba%bf%e5%ae%89%e5%85%a8%e6%b5%8b%e8%af%95%e5%85%a5%e9%97%a8%ef%bc%9a%e5%9f%ba%e4%ba%8ecan%e6%80%bb%e7%ba%bf%e7%9a%84%e6%a8%a1%e7%b3%8a%e6%b3%a8%e5%85%a5%e6%94%bb\/","title":{"rendered":"\u6c7d\u8f66\u603b\u7ebf\u5b89\u5168\u6d4b\u8bd5\u5165\u95e8\uff1a\u57fa\u4e8eCAN\u603b\u7ebf\u7684\u6a21\u7cca\u6ce8\u5165\u653b\u51fb\u5b9e\u64cd"},"content":{"rendered":"

\u522b\u4ee5\u4e3a\u6c7d\u8f66\u9ed1\u5ba2\u5f88\u8fdc\u2014\u2014<\/span><\/span><\/strong><\/p>\n\n\n\n
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CAN\u603b\u7ebf<\/span><\/span>\u6ca1\u6709\u52a0\u5bc6\uff0c\u6ca1\u6709\u8ba4\u8bc1\uff0c\u6ca1\u6709\u8bbf\u95ee\u63a7\u5236\u30022015\u5e74\uff0c\u4e24\u540d\u9ed1\u5ba2\u4ec5\u51ed\u4e00\u53f0\u7b14\u8bb0\u672c\u548c\u4e00\u6839USB\u7ebf\uff0c\u5c31\u8fdc\u7a0b”\u52ab\u6301”\u4e86\u4e00\u8f86\u6b63\u5728\u9ad8\u901f\u516c\u8def\u4e0a\u884c\u9a76\u7684Jeep Cherokee\uff0c\u6700\u7ec8\u5bfc\u81f4FCA\u96c6\u56e2\u53ec\u56de140\u4e07\u8f86\u6c7d\u8f66\u3002<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8fd9\u4e0d\u662f\u7535\u5f71\u5267\u60c5\uff0c\u8fd9\u662f\u771f\u5b9e\u53d1\u751f\u7684\u5b89\u5168\u4e8b\u4ef6\u3002\u672c\u6587\u5c06\u624b\u628a\u624b\u5e26\u4f60\u4ece\u96f6\u642d\u5efa\u6d4b\u8bd5\u73af\u5883\uff0c\u7528\u5f00\u6e90\u5de5\u5177\u5b8c\u6210\u771f\u5b9e\u7684<\/span><\/span>CAN\u603b\u7ebf<\/span><\/span>\u6a21\u7cca\u6ce8\u5165<\/span><\/span>\u653b\u51fb\u2014\u2014\u4e0d\u662f\u7834\u574f\uff0c\u662f\u6d4b\u8bd5\uff1b\u4e0d\u662f\u9ed1\u5ba2\uff0c\u662f\u5de5\u7a0b\u5e08\u3002<\/span><\/p>\n

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\u4e00\u3001<\/span>CAN\u603b\u7ebf<\/span><\/span>\u57fa\u7840\uff1a\u6c7d\u8f66\u771f\u6b63\u7684”\u795e\u7ecf\u7cfb\u7edf”<\/span><\/h2>\n

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\u8981\u7406\u89e3\u6c7d\u8f66\u5b89\u5168\u6d4b\u8bd5\uff0c\u9996\u5148\u5f97\u7406\u89e3<\/span>CAN\u603b\u7ebf<\/span><\/span>\u662f\u4ec0\u4e48\u2014\u2014\u5b83\u662f\u6c7d\u8f66\u5185\u90e8\u6210\u767e\u4e0a\u5343\u4e2aECU\uff08\u7535\u5b50\u63a7\u5236\u5355\u5143\uff09\u4e4b\u95f4\u901a\u4fe1\u7684”\u795e\u7ecf\u7cfb\u7edf”\u3002\u6ca1\u6709\u5b83\uff0c\u53d1\u52a8\u673a\u4e0d\u77e5\u9053\u6cb9\u95e8\u8e29\u4e86\u591a\u5c11\uff0c\u5239\u8f66\u7cfb\u7edf\u4e0d\u77e5\u9053\u9a7e\u9a76\u5458\u53d1\u51fa\u4e86\u5236\u52a8\u6307\u4ee4\uff0c\u8f66\u7a97\u4e0d\u77e5\u9053\u4ec0\u4e48\u65f6\u5019\u8be5\u5347\u3002<\/span><\/p>\n

1.1 <\/span><\/span>CAN\u603b\u7ebf<\/span><\/span><\/span>\u7684\u8bde\u751f\u4e0e\u5b9a\u4f4d<\/span><\/span><\/h3>\n

CAN\uff08Controller Area Network\uff09\u8bde\u751f\u4e8e1986\u5e74\uff0c\u7531\u5fb7\u56fd\u535a\u4e16\uff08Bosch\uff09\u516c\u53f8\u5f00\u53d1\uff0c\u6700\u521d\u662f\u4e3a\u4e86\u89e3\u51b3\u5f53\u65f6\u6c7d\u8f66\u5185\u90e8\u7ebf\u675f\u8fc7\u591a\u7684\u95ee\u9898\u2014\u2014\u5728CAN\u51fa\u73b0\u4e4b\u524d\uff0c\u6bcf\u4e2a\u4f20\u611f\u5668\u90fd\u9700\u8981\u72ec\u7acb\u5e03\u7ebf\u63a5\u5230ECU\u4e0a\uff0c\u4e00\u8f86\u9ad8\u7aef\u8c6a\u534e\u8f66\u7684\u5185\u90e8\u7ebf\u675f\u53ef\u4ee5\u957f\u8fbe\u6570\u516c\u91cc\u3002<\/span><\/p>\n


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\u56fe1\uff1a\u6c7d\u8f66CAN\u603b\u7ebf\u7f51\u7edc\u62d3\u6251\u56fe\uff08CAD\u7ebf\u6846\uff09<\/span><\/p>\n

<\/rect>VEHICLE<\/tspan><\/text><\/ellipse><\/ellipse><\/path><\/rect>GATEWAY<\/tspan><\/text>\u4e2d\u592e\u7f51\u5173ECU<\/tspan><\/text><\/line>\u9ad8\u901fCAN<\/tspan><\/text>500 Kbps \u00b7 \u52a8\u529b\u7cfb\u7edf<\/tspan><\/text><\/rect>Engine ECU<\/tspan><\/text><\/line><\/rect>ABS ECU<\/tspan><\/text><\/line><\/rect>Airbag ECU<\/tspan><\/text><\/line><\/line>\u4f4e\u901fCAN<\/tspan><\/text>125 Kbps \u00b7 \u8212\u9002\u7cfb\u7edf<\/tspan><\/text><\/rect>BCM<\/tspan><\/text><\/line><\/rect>\u4eea\u8868\u76d8<\/tspan><\/text><\/line><\/rect>HVAC<\/tspan><\/text><\/line><\/line>\u8bca\u65adCAN<\/tspan><\/text>OBD-II \u63a5\u53e3<\/tspan><\/text><\/rect>OBD-II<\/tspan><\/text><\/rect>\u26a0 \u653b\u51fb\u8005<\/tspan><\/text>\u63a5\u5165\u70b9<\/tspan><\/text><\/line><\/polygon><\/rect>\u9ad8\u901fCAN \u00b7 \u52a8\u529b\u7cfb\u7edf<\/tspan><\/text><\/rect>\u4f4e\u901fCAN \u00b7 \u8212\u9002\u7cfb\u7edf<\/tspan><\/text><\/rect>\u8bca\u65adCAN \u00b7 OBD-II<\/tspan><\/text><\/line>\u653b\u51fb\u8005\u63a5\u5165\u8def\u5f84<\/tspan><\/text><\/svg><\/figure>\n

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CAN\u603b\u7ebf<\/span><\/span>\u7528\u4e24\u6839\u7ebf\uff08CAN_H\u548cCAN_L\uff0c\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff09\u53d6\u4ee3\u4e86\u8fd9\u4e9b\u590d\u6742\u7684\u72ec\u7acb\u7ebf\u675f\uff0c\u6240\u6709ECU\u6302\u5728\u540c\u4e00\u6761”\u603b\u7ebf”\u4e0a\uff0c\u5171\u4eab\u901a\u4fe1\u4ecb\u8d28\u3002\u8fd9\u5c31\u662f<\/span>\u591a\u4e3b\u5e7f\u64ad\u5f0f\u901a\u4fe1<\/span><\/strong>\uff1a\u4efb\u4f55\u4e00\u4e2a\u8282\u70b9\u90fd\u53ef\u4ee5\u968f\u65f6\u53d1\u8a00\uff0c\u4e0d\u9700\u8981\u63d0\u524d\u7533\u8bf7\u8bdd\u7b52\u3002<\/span><\/p>\n

1.2 \u901f\u7387\u4e0e\u5206\u7c7b<\/span><\/span><\/h3>\n\n\n\n\n\n\n
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\u7c7b\u578b<\/span><\/span><\/section>\n<\/th>\n
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\u901f\u7387<\/span><\/span><\/section>\n<\/th>\n
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\u5178\u578b\u5e94\u7528<\/span><\/span><\/section>\n<\/th>\n
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\u7279\u70b9<\/span><\/span><\/section>\n<\/th>\n<\/tr>\n
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\u4f4e\u901fCAN<\/span><\/section>\n<\/td>\n
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125 Kbps<\/span><\/section>\n<\/td>\n
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\u8f66\u7a97\u3001\u7a7a\u8c03\u3001\u5ea7\u6905<\/span><\/section>\n<\/td>\n
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\u5bb9\u9519\u6027\u5f3a\uff0c\u901a\u4fe1\u8ddd\u79bb\u8fdc<\/span><\/section>\n<\/td>\n<\/tr>\n
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\u9ad8\u901fCAN<\/span><\/section>\n<\/td>\n
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500 Kbps<\/span><\/section>\n<\/td>\n
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\u53d1\u52a8\u673a\u3001\u53d8\u901f\u7bb1\u3001\u5239\u8f66\u3001\u5b89\u5168\u6c14\u56ca<\/span><\/section>\n<\/td>\n
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\u5b9e\u65f6\u6027\u9ad8\uff0c\u54cd\u5e94\u5feb<\/span><\/section>\n<\/td>\n<\/tr>\n
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CAN-FD<\/span><\/section>\n<\/td>\n
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\u6700\u9ad8 8 Mbps<\/span><\/section>\n<\/td>\n
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\u65b0\u4e00\u4ee3\u8f66\u8f7d\u9aa8\u5e72\u7f51\u7edc<\/span><\/section>\n<\/td>\n
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\u6570\u636e\u6bb5\u66f4\u957f\uff0c\u53ef\u9009\u52a0\u5bc6<\/span><\/section>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1.3 \u5e27\u7ed3\u6784\uff1aID + \u6570\u636e<\/span><\/span><\/h3>\n

CAN\u603b\u7ebf<\/span><\/span>\u4e0a\u4f20\u8f93\u7684\u662f<\/span>CAN\u5e27<\/span><\/span><\/strong>\uff0c\u6bcf\u5e27\u5305\u542b\u4e24\u5927\u90e8\u5206\uff1a<\/span><\/p>\n


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