{"id":288105,"date":"2024-10-25T09:48:31","date_gmt":"2024-10-25T09:48:31","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=288105"},"modified":"2024-10-25T09:48:31","modified_gmt":"2024-10-25T09:48:31","slug":"spn-3720-diesel-particulate-filter-active-regeneration-inhibited-due-to-parking-brake-switch-active","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/spn-3720-diesel-particulate-filter-active-regeneration-inhibited-due-to-parking-brake-switch-active\/","title":{"rendered":"SPN 3720\uff1a\u7531\u4e8e\u9a7b\u8f66\u5236\u52a8\u5f00\u5173\u6fc0\u6d3b\uff0c\u67f4\u6cb9\u9897\u7c92\u8fc7\u6ee4\u5668\u4e3b\u52a8\u518d\u751f\u88ab\u6291\u5236"},"content":{"rendered":"<h2 id=\"understanding-and-addressing-fault-code-spn-3720-a-comprehensive-guide\">\u7406\u89e3\u5e76\u89e3\u51b3\u6545\u969c\u4ee3\u7801 SPN 3720\uff1a\u5168\u9762\u6307\u5357<\/h2>\n<p>\u6545\u969c\u4ee3\u7801 SPN 3720 \u662f\u73b0\u4ee3\u67f4\u6cb9\u53d1\u52a8\u673a\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u8bca\u65ad\u6307\u793a\uff0c\u7279\u522b\u662f\u4e0e\u67f4\u6cb9\u9897\u7c92\u8fc7\u6ee4\u5668\uff08DPF\uff09\u7cfb\u7edf\u76f8\u5173\u3002\u672c\u6587\u5bf9 SPN 3720 \u7684\u542b\u4e49\u3001\u5f71\u54cd\u53ca\u5176\u6709\u6548\u5904\u7406\u65b9\u6cd5\u8fdb\u884c\u6df1\u5165\u5206\u6790\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\u4e2d\uff0c\u6211\u4eec\u89c2\u5bdf\u5230\u6545\u969c\u4ee3\u7801 SPN 3720 \u76f8\u5bf9\u5e38\u89c1\uff0c\u7279\u522b\u662f\u5728\u6b27\u6d32\u91cd\u578b\u8f66\u8f86\u4e2d\u3002\u6211\u4eec\u5728\u6c83\u5c14\u6c83\uff08Volvo\uff09\u548c\u65af\u582a\u5c3c\u4e9a\uff08Scania\uff09\u5361\u8f66\u4e2d\u7ecf\u5e38\u770b\u5230\u8fd9\u4e00\u4ee3\u7801\uff0c\u4e5f\u5728\u4e00\u4e9b\u5954\u9a70\uff08Mercedes-Benz\uff09\u5546\u7528\u8f66\u8f86\u4e2d\u51fa\u73b0\u3002\u867d\u7136\u5728\u7f8e\u56fd\u54c1\u724c\u5982 Freightliner \u548c International \u4e2d\u4e5f\u6709\u53d1\u751f\uff0c\u4e9a\u6d32\u54c1\u724c\u5982\u65e5\u91ce\uff08Hino\uff09\u5076\u5c14\u4e5f\u4f1a\u9047\u5230\uff0c\u4f46\u6839\u636e\u6211\u4eec\u7684\u7ecf\u9a8c\uff0c\u5b83\u5728\u6b27\u6d32\u8f66\u578b\u4e2d\u66f4\u4e3a\u5e38\u89c1\u3002\u8be5\u4ee3\u7801\u901a\u5e38\u51fa\u73b0\u5728\u884c\u9a76\u91cc\u7a0b\u8f83\u9ad8\u6216\u8fd0\u884c\u5728\u5c18\u571f\u98de\u626c\u73af\u5883\u4e2d\u7684\u8f66\u8f86\u4e2d\u3002\u6211\u4eec\u53d1\u73b0\u901a\u5e38\u4e0e DPF \u7070\u5206\u5806\u79ef\u6709\u5173\uff0c\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u6211\u4eec\u901a\u8fc7 DPF \u6e05\u6d01\u6216\u66f4\u6362\uff0c\u968f\u540e\u91cd\u7f6e ECU \u5373\u53ef\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<\/div>\n<h2 id=\"urgency-and-driving-implications\">\u7d27\u6025\u6027\u53ca\u9a7e\u9a76\u5f71\u54cd<\/h2>\n<p>\u5f53\u51fa\u73b0 SPN 3720 \u65f6\uff0c\u901a\u5e38\u88ab\u89c6\u4e3a\u4fe1\u606f\u6027\u6545\u969c\u4ee3\u7801\uff0c\u800c\u975e\u7acb\u5373\u7684\u5173\u952e\u95ee\u9898\u3002\u7136\u800c\uff0c\u7d27\u6025\u7a0b\u5ea6\u53d6\u51b3\u4e8e\u76f8\u5173\u7684\u6545\u969c\u6a21\u5f0f\u6807\u8bc6\u7b26\uff08FMI\uff09\uff1a<\/p>\n<ul>\n<li><strong>FMI 0<\/strong>\uff1a\u8868\u793a\u4e25\u91cd\u60c5\u51b5\uff0c\u9700\u8981\u7acb\u5373\u5904\u7406<\/li>\n<li><strong>FMI 15<\/strong>\uff1a\u8868\u793a\u8f83\u8f7b\u5fae\u60c5\u51b5\uff0c\u4f46\u4ecd\u9700\u5c3d\u65e9\u89e3\u51b3<\/li>\n<\/ul>\n<p>\u867d\u7136\u53ef\u4ee5\u5728\u6545\u969c\u4ee3\u7801\u6fc0\u6d3b\u7684\u60c5\u51b5\u4e0b\u7ee7\u7eed\u9a7e\u9a76\uff0c\u4f46\u5efa\u8bae\u5c3d\u5feb\u5b89\u6392\u7ef4\u4fee\uff0c\u4ee5\u9632\u6b62 DPF \u7cfb\u7edf\u6f5c\u5728\u7684\u635f\u574f\u5e76\u4fdd\u6301\u6700\u4f73\u7684\u53d1\u52a8\u673a\u6027\u80fd\u3002<\/p>\n<h2 id=\"detailed-code-information\">\u4ee3\u7801\u8be6\u7ec6\u4fe1\u606f<\/h2>\n<p>SPN 3720 \u4ee3\u8868\u201c\u540e\u5904\u7406 1 \u67f4\u6cb9\u9897\u7c92\u8fc7\u6ee4\u5668\u7070\u5206\u8d1f\u8377\u767e\u5206\u6bd4\u201d\u3002\u5b83\u662f\u7528\u4e8e\u91cd\u578b\u8f66\u8f86\u548c\u8bbe\u5907\u7684 J1939 \u8bca\u65ad\u534f\u8bae\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<h3 id=\"variations\">\u4ee3\u7801\u53d8\u5316<\/h3>\n<p>\u8be5\u4ee3\u7801\u53ef\u80fd\u51fa\u73b0\u4e0d\u540c\u7684 FMI \u503c\uff1a<\/p>\n<ol>\n<li><strong>SPN 3720 FMI 0<\/strong>\uff1a\u6570\u636e\u6709\u6548\u4f46\u9ad8\u4e8e\u6b63\u5e38\u64cd\u4f5c\u8303\u56f4\u2014\u2014\u6700\u4e25\u91cd\u7684\u7ea7\u522b<\/li>\n<li><strong>SPN 3720 FMI 15<\/strong>\uff1a\u6570\u636e\u6709\u6548\u4f46\u9ad8\u4e8e\u6b63\u5e38\u64cd\u4f5c\u8303\u56f4\u2014\u2014\u6700\u4f4e\u4e25\u91cd\u7ea7\u522b<\/li>\n<\/ol>\n<p>\u6b64\u4ee3\u7801\u901a\u5e38\u4e0e\u5eb7\u660e\u65af\uff08Cummins\uff09\u53d1\u52a8\u673a\u76f8\u5173\uff0c\u4f46\u4e5f\u53ef\u80fd\u51fa\u73b0\u5728\u4f7f\u7528\u7c7b\u4f3c DPF \u6280\u672f\u7684\u5176\u4ed6\u5236\u9020\u5546\u7cfb\u7edf\u4e2d\u3002<\/p>\n<h2 id=\"components-involved\">\u6d89\u53ca\u90e8\u4ef6<\/h2>\n<p>\u4e0e SPN 3720 \u76f8\u5173\u7684\u4e3b\u8981\u90e8\u4ef6\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u67f4\u6cb9\u9897\u7c92\u8fc7\u6ee4\u5668\uff08DPF\uff09<\/strong>\uff1a\u6355\u83b7\u5e76\u53bb\u9664\u6392\u6c14\u4e2d\u7684\u9897\u7c92\u7269<\/p>\n<ul>\n<li>\u5178\u578b\u5c3a\u5bf8\uff1a\u957f\u5ea6 12-24 \u82f1\u5bf8\uff0830.5-61 \u5398\u7c73\uff09\uff0c\u76f4\u5f84 6-12 \u82f1\u5bf8\uff0815.2-30.5 \u5398\u7c73\uff09<\/li>\n<li>\u8fc7\u6ee4\u6548\u7387\uff1a&gt;95% \u7684\u9897\u7c92\u7269<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>DPF \u5dee\u538b\u4f20\u611f\u5668<\/strong>\uff1a\u6d4b\u91cf DPF \u4e4b\u95f4\u7684\u538b\u529b\u5dee<\/p>\n<ul>\n<li>\u5de5\u4f5c\u8303\u56f4\uff1a\u901a\u5e38\u4e3a 0-100 kPa\uff080-14.5 psi\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757\uff08ECM\uff09<\/strong>\uff1a\u76d1\u63a7 DPF \u6027\u80fd\u5e76\u89e6\u53d1\u6545\u969c\u4ee3\u7801<\/p>\n<\/li>\n<\/ol>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>\u5bfc\u81f4 SPN 3720 \u7684\u6700\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>DPF \u4e2d\u7684\u7070\u5206\u5806\u79ef\u8fc7\u591a<\/li>\n<li>DPF \u5dee\u538b\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>DPF \u5835\u585e\u6216\u635f\u574f<\/li>\n<li>DPF \u518d\u751f\u5468\u671f\u4e0d\u5b8c\u6574<\/li>\n<\/ol>\n<h2 id=\"diagnostic-procedure\">\u8bca\u65ad\u6b65\u9aa4<\/h2>\n<p>\u6309\u4ee5\u4e0b\u6b65\u9aa4\u8bca\u65ad SPN 3720\uff1a<\/p>\n<ol>\n<li>\u8fde\u63a5\u517c\u5bb9 J1939 \u534f\u8bae\u7684\u8bca\u65ad\u5de5\u5177<\/li>\n<li>\u8bfb\u53d6\u5e76\u8bb0\u5f55\u6240\u6709\u6fc0\u6d3b\u548c\u5b58\u50a8\u7684\u6545\u969c\u4ee3\u7801<\/li>\n<li>\u4f7f\u7528\u8bca\u65ad\u5de5\u5177\u68c0\u67e5 DPF \u7684\u7070\u5206\u8d1f\u8377\u767e\u5206\u6bd4<\/li>\n<li>\u68c0\u67e5 DPF \u5dee\u538b\u4f20\u611f\u5668\u53ca\u5176\u8fde\u63a5<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5 DPF \u662f\u5426\u6709\u5916\u90e8\u635f\u574f<\/li>\n<li>\u67e5\u770b\u8f66\u8f86\u7684 DPF \u518d\u751f\u5386\u53f2<\/li>\n<\/ol>\n<h2 id=\"solutions-and-repairs\">\u89e3\u51b3\u65b9\u6848\u548c\u7ef4\u4fee<\/h2>\n<h3 id=\"temporary-solutions\">\u4e34\u65f6\u89e3\u51b3\u65b9\u6848<\/h3>\n<ul>\n<li>\u5982\u8f66\u8f86\u652f\u6301\uff0c\u6267\u884c\u624b\u52a8 DPF \u518d\u751f<\/li>\n<li>\u6e05\u9664\u6545\u969c\u4ee3\u7801\u5e76\u76d1\u63a7\u662f\u5426\u518d\u6b21\u51fa\u73b0<\/li>\n<\/ul>\n<h3 id=\"permanent-solutions\">\u6c38\u4e45\u89e3\u51b3\u65b9\u6848<\/h3>\n<ol>\n<li>\u5982\u679c\u7070\u5206\u8d1f\u8377\u8d85\u8fc7\u5236\u9020\u5546\u89c4\u8303\uff0c\u9700\u66f4\u6362 DPF<\/li>\n<li>\u5728 DiagnosticLink \u8f6f\u4ef6\u4e2d\u6267\u884c DPF \u7070\u5206\u7d2f\u52a0\u5668\u4f8b\u7a0b<\/li>\n<li>\u82e5\u8bca\u65ad\u51fa\u6545\u969c\uff0c\u5219\u66f4\u6362 DPF \u5dee\u538b\u4f20\u611f\u5668<\/li>\n<\/ol>\n<h2 id=\"prevention-measures\">\u9884\u9632\u63aa\u65bd<\/h2>\n<p>\u4e3a\u907f\u514d SPN 3720 \u7684\u53d1\u751f\uff1a<\/p>\n<ol>\n<li>\u9075\u5faa\u63a8\u8350\u7684\u6362\u6cb9\u5468\u671f\uff0c\u4ee5\u51cf\u5c11\u7070\u5206\u5806\u79ef<\/li>\n<li>\u786e\u4fdd\u5b8c\u6210 DPF \u518d\u751f\u5468\u671f<\/li>\n<li>\u4f7f\u7528\u9ad8\u8d28\u91cf\u67f4\u6cb9\u71c3\u6599\uff0c\u4ee5\u51cf\u5c11\u9897\u7c92\u7269<\/li>\n<li>\u907f\u514d\u957f\u65f6\u95f4\u6020\u901f\uff0c\u4ee5\u514d\u5bfc\u81f4 DPF \u518d\u751f\u4e0d\u5b8c\u5168<\/li>\n<\/ol>\n<h2 id=\"cost-analysis\">\u6210\u672c\u5206\u6790<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u7ef4\u4fee\u7c7b\u578b<\/th>\n<th>\u9884\u8ba1\u8d39\u7528\uff08\u7f8e\u5143\uff09<\/th>\n<th>\u9884\u8ba1\u8d39\u7528\uff08\u6b27\u5143\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DPF \u66f4\u6362<\/td>\n<td>$2,000 &#8211; $5,000<\/td>\n<td>\u20ac1,700 &#8211; \u20ac4,250<\/td>\n<\/tr>\n<tr>\n<td>\u4f20\u611f\u5668\u66f4\u6362<\/td>\n<td>$200 &#8211; $500<\/td>\n<td>\u20ac170 &#8211; \u20ac425<\/td>\n<\/tr>\n<tr>\n<td>DPF \u6e05\u6d01<\/td>\n<td>$500 &#8211; $1,000<\/td>\n<td>\u20ac425 &#8211; \u20ac850<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6ce8\u610f\uff1a\u4eba\u5de5\u8d39\u7528\u53ef\u80fd\u56e0\u5730\u533a\u548c\u8f66\u95f4\u8d39\u7387\u800c\u6709\u663e\u8457\u5dee\u5f02\u3002<\/p>\n<h2 id=\"frequently-asked-questions-fault-code-spn-3720\">\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\uff1a\u6545\u969c\u4ee3\u7801 SPN 3720<\/h2>\n<h3>\u6545\u969c\u4ee3\u7801 SPN 3720 \u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n<p>SPN 3720 \u4ee3\u8868\u201c\u540e\u5904\u7406 1 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