{"id":287939,"date":"2024-10-24T09:07:02","date_gmt":"2024-10-24T09:07:02","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287939"},"modified":"2024-11-05T02:01:30","modified_gmt":"2024-11-05T02:01:30","slug":"p24b4-particulate-filter-temperature-sensor-circuit","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p24b4-particulate-filter-temperature-sensor-circuit\/","title":{"rendered":"P24B4 &#8211; \u9897\u7c92\u7269\u8fc7\u6ee4\u5668\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def"},"content":{"rendered":"<p>P24B4 &#8211; \u9897\u7c92\u8fc7\u6ee4\u5668\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def<\/p>\n<h2 id=\"definition-of-p24b4-code\">P24B4\u4ee3\u7801\u5b9a\u4e49<\/h2>\n<p><strong>P24B4<\/strong> 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class=\"workshop-experience-text\">\n<p>\u6839\u636e\u6211\u4eec\u7684\u7ecf\u9a8c\uff0cP24B4\u4ee3\u7801\u6700\u5e38\u51fa\u73b0\u5728\u6b27\u6d32\u67f4\u6cb9\u8f66\u4e0a\uff0c\u5c24\u5176\u662f\u5b9d\u9a6c\u548c\u5954\u9a70\u8f66\u578b\u3002\u6211\u4eec\u7ecf\u5e38\u5728\u5b9d\u9a6c3\u7cfb\u548c5\u7cfb\u67f4\u6cb9\u8f66\u4ee5\u53ca\u5954\u9a70C\u7ea7\u548cE\u7ea7\u67f4\u6cb9\u8f66\u4e0a\u770b\u5230\u6b64\u4ee3\u7801\u3002\u8be5\u4ee3\u7801\u901a\u5e38\u4f34\u968f\u7740\u5176\u4ed6\u4e0e\u67f4\u6cb9\u9897\u7c92\u8fc7\u6ee4\u5668\uff08DPF\uff09\u76f8\u5173\u7684\u4ee3\u7801\uff0c\u5f80\u5f80\u8868\u660e\u9897\u7c92\u7269\u4f20\u611f\u5668\u6216\u5176\u7ebf\u8def\u5b58\u5728\u95ee\u9898\u3002\u867d\u7136\u5076\u5c14\u5728\u5982Ram\u67f4\u6cb9\u5361\u8f66\u7b49\u7f8e\u56fd\u4ea7\u8f66\u8f86\u4e0a\u4e5f\u4f1a\u9047\u5230\uff0c\u4f46\u5728\u6b27\u6d32\u8c6a\u534e\u54c1\u724c\u4e2d\u66f4\u4e3a\u5e38\u89c1\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u66f4\u6362\u9897\u7c92\u7269\u4f20\u611f\u5668\u5e76\u66f4\u65b0ECU\u8f6f\u4ef6\u53ef\u4ee5\u89e3\u51b3\u95ee\u9898\uff0c\u5c3d\u7ba1\u6709\u65f6\u4e5f\u9700\u8981\u4fee\u7406\u7ebf\u8def\u3002<\/p>\n<\/div>\n<h2 id=\"role-of-the-particulate-matter-sensor\">\u9897\u7c92\u7269\u4f20\u611f\u5668\u7684\u4f5c\u7528<\/h2>\n<p>\u9897\u7c92\u7269\u4f20\u611f\u5668\uff0c\u4e5f\u79f0\u4e3a\u70df\u5c18\u4f20\u611f\u5668\uff0c\u6d4b\u91cf\u6392\u6c14\u6d41\u4e2d\u7684\u70df\u5c18\u6d53\u5ea6\u3002\u5b83\u662f\u73b0\u4ee3\u67f4\u6cb9\u53d1\u52a8\u673a\u4e2d\u67f4\u6cb9\u9897\u7c92\u8fc7\u6ee4\u5668\uff08DPF\uff09\u7cfb\u7edf\u7684\u5173\u952e\u7ec4\u4ef6\u3002ECM\u4f7f\u7528\u4f20\u611f\u5668\u6570\u636e\u6765\u76d1\u63a7DPF\u7684\u6027\u80fd\u5e76\u63a7\u5236\u518d\u751f\u4e8b\u4ef6\u3002<\/p>\n<p>PM\u4f20\u611f\u5668\u5305\u542b\u4e00\u4e2a\u52a0\u70ed\u5143\u4ef6\uff0c\u53ef\u4ee5\u5feb\u901f\u5c06\u4f20\u611f\u5668\u52a0\u70ed\u5230\u5de5\u4f5c\u6e29\u5ea6\u4ee5\u786e\u4fdd\u8bfb\u53d6\u51c6\u786e\u3002\u5982\u679c\u52a0\u70ed\u7535\u8def\u6545\u969c\uff0c\u53ef\u80fd\u5bfc\u81f4\u9519\u8bef\u8bfb\u6570\uff0c\u8fdb\u800c\u5bfc\u81f4DPF\u518d\u751f\u4e0d\u5f53\u3002<\/p>\n<h2 id=\"technical-specifications\">\u6280\u672f\u89c4\u683c<\/h2>\n<ul>\n<li><strong>\u4f20\u611f\u5668\u5de5\u4f5c\u6e29\u5ea6\uff1a<\/strong> 780\u00b0C \u00b1 50\u00b0C\uff081436\u00b0F \u00b1 90\u00b0F\uff09<\/li>\n<li><strong>\u52a0\u70ed\u5143\u4ef6\u7535\u963b\uff1a<\/strong> 2-4\u6b27\u59c6\uff0c\u6e29\u5ea6\u4e3a20\u00b0C\uff0868\u00b0F\uff09<\/li>\n<li><strong>\u4f20\u611f\u5668\u8f93\u51fa\u7535\u538b\u8303\u56f4\uff1a<\/strong> 0-5V<\/li>\n<\/ul>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>\u5bfc\u81f4P24B4\u4ee3\u7801\u7684\u6f5c\u5728\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6545\u969c\u7684PM\u4f20\u611f\u5668<\/li>\n<li>PM\u4f20\u611f\u5668\u52a0\u70ed\u5143\u4ef6\u635f\u574f\u6216\u77ed\u8def<\/li>\n<li>PM\u4f20\u611f\u5668\u52a0\u70ed\u7535\u8def\u4e2d\u7684\u7ebf\u8def\u95ee\u9898\uff08\u5f00\u8def\u3001\u77ed\u8def\u6216\u8150\u8680\uff09<\/li>\n<li>PM\u4f20\u611f\u5668\u52a0\u70ed\u7535\u6e90\u4fdd\u9669\u4e1d\u70e7\u6bc1<\/li>\n<li>ECM\u6545\u969c<\/li>\n<\/ul>\n<h2 id=\"diagnostic-procedure\">\u8bca\u65ad\u6b65\u9aa4<\/h2>\n<p>\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8bca\u65adP24B4\u4ee3\u7801\u7684\u6839\u672c\u539f\u56e0\uff1a<\/p>\n<ol>\n<li>\n<p>\u68c0\u67e5PM\u4f20\u611f\u5668\u52a0\u70ed\u7535\u8def\u7684\u7ebf\u8def\u548c\u8fde\u63a5\u5668\u662f\u5426\u6709\u635f\u574f\u3001\u8fde\u63a5\u677e\u52a8\u6216\u8150\u8680\u3002\u5fc5\u8981\u65f6\u8fdb\u884c\u4fee\u7406\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u6b27\u59c6\u8868\u6d4b\u8bd5PM\u4f20\u611f\u5668\u52a0\u70ed\u5143\u4ef6\u7684\u7535\u963b\u3002\u5982\u679c\u7535\u963b\u4e0d\u5728\u89c4\u683c\u8303\u56f4\u5185\uff0c\u9700\u66f4\u6362\u4f20\u611f\u5668\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5\u52a0\u70ed\u7535\u6e90\u7535\u8def\u548c\u63a5\u5730\u7535\u8def\u662f\u5426\u5b58\u5728\u5f00\u8def\u6216\u77ed\u8def\u95ee\u9898\u3002\u5982\u6709\u6545\u969c\uff0c\u4fee\u7406\u7ebf\u8def\u3002<\/p>\n<\/li>\n<li>\n<p>\u786e\u8ba4ECM\u662f\u5426\u4e3aPM\u4f20\u611f\u5668\u52a0\u70ed\u5668\u63d0\u4f9b\u6b63\u786e\u7535\u538b\u3002\u5982ECM\u6709\u6545\u969c\uff0c\u9700\u66f4\u6362\u3002<\/p>\n<\/li>\n<li>\n<p>\u8fdb\u884c\u8def\u8bd5\u4ee5\u9a8c\u8bc1\u4fee\u7406\u6548\u679c\u5e76\u6e05\u9664\u6545\u969c\u4ee3\u7801\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u59cb\u7ec8\u53c2\u8003\u5236\u9020\u5546\u7684\u7ef4\u4fee\u4fe1\u606f\uff0c\u83b7\u53d6\u8f66\u8f86\u7684\u5177\u4f53\u8bca\u65ad\u6b65\u9aa4\u3001\u7ebf\u8def\u56fe\u548c\u89c4\u683c\u3002<\/p>\n<h2 id=\"repair-and-replacement\">\u7ef4\u4fee\u4e0e\u66f4\u6362<\/h2>\n<p>\u5982\u679c\u786e\u5b9aPM\u4f20\u611f\u5668\u6545\u969c\uff0c\u9700\u8fdb\u884c\u66f4\u6362\u3002\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a<\/p>\n<ol>\n<li>\n<p>\u79fb\u9664\u6392\u6c14\u7ba1\u4ee5\u4fbf\u63a5\u8fd1\u4f20\u611f\u5668\uff08\u53c2\u8003\u7ef4\u4fee\u624b\u518c\u4e2d\u7684\u6b63\u786e\u6b65\u9aa4\uff09\u3002<\/p>\n<\/li>\n<li>\n<p>\u65ad\u5f00\u4f20\u611f\u5668\u7684\u7535\u6c14\u8fde\u63a5\u5668\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u9002\u5f53\u5de5\u5177\u4ece\u6392\u6c14\u7ba1\u4e2d\u62c6\u5378\u4f20\u611f\u5668\uff0c\u5e76\u6ce8\u610f\u5176\u5b89\u88c5\u65b9\u5411\u3002<\/p>\n<\/li>\n<li>\n<p>\u6e05\u6d01\u6392\u6c14\u7ba1\u4e2d\u7684\u4f20\u611f\u5668\u5b89\u88c5\u87ba\u7eb9\u3002<\/p>\n<\/li>\n<li>\n<p>\u4ee5\u6b63\u786e\u7684\u65b9\u5411\u5b89\u88c5\u65b0\u4f20\u611f\u5668\uff0c\u5e76\u6309\u7167\u89c4\u683c\u626d\u77e9\uff08\u901a\u5e38\u4e3a50 Nm \u00b1 5 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