{"id":287643,"date":"2024-10-23T07:26:32","date_gmt":"2024-10-23T07:26:32","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287643"},"modified":"2024-11-04T09:17:51","modified_gmt":"2024-11-04T09:17:51","slug":"p205d-reductant-tank-level-sensor-circuit-high","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p205d-reductant-tank-level-sensor-circuit-high\/","title":{"rendered":"P205D &#8211; \u8fd8\u539f\u5242\u7f50\u6db2\u4f4d\u4f20\u611f\u5668\u7535\u8def\u9ad8\u7535\u538b"},"content":{"rendered":"<p>\u8bca\u65ad\u548c\u4fee\u590d OBD-II \u4ee3\u7801 P205D &#8211; \u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u9ad8\u7535\u538b<\/p>\n<h2 id=\"introduction\">\u4ecb\u7ecd<\/h2>\n<p>OBD-II \u4ee3\u7801 P205D \u8868\u793a\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757 (PCM) \u68c0\u6d4b\u5230\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u7535\u538b\u8fc7\u9ad8\u3002\u8be5\u4f20\u611f\u5668\u662f\u67f4\u6cb9\u8f66\u8f86\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f (SCR) \u7cfb\u7edf\u7684\u5173\u952e\u7ec4\u4ef6\uff0c\u7528\u4e8e\u6d4b\u91cf\u67f4\u6cb9\u6392\u653e\u6db2 (DEF) \u7684\u6e29\u5ea6\uff0c\u4ee5\u4f18\u5316\u6392\u653e\u51cf\u5c11\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\u4e2d\uff0cP205D \u4ee3\u7801\u6700\u5e38\u89c1\u4e8e\u6b27\u6d32\u67f4\u6cb9\u8f66\u8f86\uff0c\u7279\u522b\u662f\u88c5\u5907\u6709\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f (SCR) \u7cfb\u7edf\u7684\u5927\u4f17\u3001\u6885\u8d5b\u5fb7\u65af-\u5954\u9a70\u548c\u5b9d\u9a6c\u8f66\u578b\u3002\u6211\u4eec\u6ce8\u610f\u5230\uff0c\u8fd9\u4e2a\u95ee\u9898\u901a\u5e38\u4e0e\u884c\u9a76\u91cc\u7a0b\u8f83\u9ad8\u7684\u8f66\u8f86\u6709\u5173\uff0c\u901a\u5e38\u5728 100,000 \u516c\u91cc\u6216\u4ee5\u4e0a\u3002\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53d1\u73b0\u6839\u672c\u539f\u56e0\u662f\u6545\u969c\u7684\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u6216\u8150\u8680\u7684\u63a5\u7ebf\u8fde\u63a5\u3002\u6709\u8da3\u7684\u662f\uff0c\u6211\u4eec\u89c2\u5bdf\u5230\uff0c\u5728\u5bd2\u51b7\u6c14\u5019\u4e2d\u5b9a\u671f\u9a7e\u9a76\u7684\u8f66\u8f86\u4f3c\u4e4e\u66f4\u5bb9\u6613\u51fa\u73b0\u6b64\u95ee\u9898\uff0c\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u5bf9 DEF \u7cfb\u7edf\u7ec4\u4ef6\u7684\u538b\u529b\u589e\u52a0\u3002\u867d\u7136\u4e0d\u5e38\u89c1\uff0c\u4f46\u6211\u4eec\u4e5f\u5728\u4e00\u4e9b\u7f8e\u56fd\u548c\u4e9a\u6d32\u7684\u67f4\u6cb9\u8f66\u8f86\u4e2d\u770b\u5230\u8fc7\u8fd9\u4e2a\u4ee3\u7801\uff0c\u4f46\u6b27\u6d32\u8f66\u578b\u65e0\u7591\u4e3b\u5bfc\u4e86\u6211\u4eec P205D \u7684\u7ef4\u4fee\u7ecf\u9a8c\u3002<\/p>\n<\/div>\n<p>\u6b64\u4ee3\u7801\u7684\u4e25\u91cd\u6027\u5f88\u9ad8\uff0c\u56e0\u4e3a\u5982\u679c\u4e0d\u53ca\u65f6\u5904\u7406\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4 SCR \u7cfb\u7edf\u5931\u6548\u5e76\u5bfc\u81f4\u50ac\u5316\u5242\u635f\u574f\u3002\u867d\u7136\u77ed\u8ddd\u79bb\u9a7e\u9a76\u53ef\u80fd\u662f\u53ef\u884c\u7684\uff0c\u4f46\u5f3a\u70c8\u5efa\u8bae\u5c3d\u5feb\u5bf9\u8f66\u8f86\u8fdb\u884c\u68c0\u67e5\u548c\u4fee\u7406\uff0c\u4ee5\u9632\u6b62\u8fdb\u4e00\u6b65\u7684\u635f\u574f\u5e76\u786e\u4fdd\u7b26\u5408\u6392\u653e\u6cd5\u89c4\u3002<\/p>\n<h2 id=\"technical-details\">\u6280\u672f\u7ec6\u8282<\/h2>\n<p>\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u662f\u4e00\u4e2a\u7535\u8def\u7684\u4e00\u90e8\u5206\uff0c\u4e3a PCM \u63d0\u4f9b\u91cd\u8981\u7684\u6e29\u5ea6\u6570\u636e\u3002\u6b64\u4fe1\u606f\u7528\u4e8e\u8c03\u6574 DEF \u6ce8\u5165\u7387\uff0c\u786e\u4fdd SCR \u7cfb\u7edf\u7684\u6700\u4f73\u6027\u80fd\u3002\u4f20\u611f\u5668\u901a\u5e38\u5728\u7279\u5b9a\u7535\u538b\u8303\u56f4\u5185\u5de5\u4f5c\uff0c\u8f83\u9ad8\u7684\u7535\u538b\u8868\u793a\u8f83\u9ad8\u7684\u6e29\u5ea6\u3002<\/p>\n<p>P205D \u662f\u9002\u7528\u4e8e\u8bb8\u591a OBD-II \u8f66\u8f86\u7684\u901a\u7528\u52a8\u529b\u603b\u6210\u4ee3\u7801\uff0c\u7279\u522b\u662f\u914d\u5907\u6709 SCR \u7cfb\u7edf\u7684\u67f4\u6cb9\u53d1\u52a8\u673a\u8f66\u8f86\u3002\u7136\u800c\uff0c\u5177\u4f53\u7684\u89c4\u683c\u548c\u4fee\u7406\u7a0b\u5e8f\u53ef\u80fd\u56e0\u8f66\u8f86\u7684\u54c1\u724c\u548c\u578b\u53f7\u800c\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h2 id=\"symptoms\">\u75c7\u72b6<\/h2>\n<p>\u4e0e\u4ee3\u7801 P205D \u76f8\u5173\u7684\u5e38\u89c1\u75c7\u72b6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6545\u969c\u6307\u793a\u706f (MIL) \u6216\u53d1\u52a8\u673a\u6545\u969c\u706f\u70b9\u4eae<\/li>\n<li>\u71c3\u6cb9\u6548\u7387\u964d\u4f4e<\/li>\n<li>\u53d1\u52a8\u673a\u6027\u80fd\u4e0b\u964d<\/li>\n<li>\u5b58\u5728\u5176\u4ed6 SCR \u7cfb\u7edf\u6545\u969c\u4ee3\u7801<\/li>\n<\/ul>\n<h2 id=\"causes\">\u539f\u56e0<\/h2>\n<p>\u5bfc\u81f4 P205D \u4ee3\u7801\u51fa\u73b0\u7684\u6f5c\u5728\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6545\u969c\u7684\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>\u63a5\u7ebf\u95ee\u9898\uff08\u5f00\u8def\u3001\u77ed\u8def\u6216\u78e8\u635f\u7684\u7535\u8def\uff09<\/li>\n<li>\u7535\u6c14\u8fde\u63a5\u4e0d\u826f<\/li>\n<li>\u6545\u969c\u7684 PCM \u6216 SCR \u63a7\u5236\u5668<\/li>\n<li>\u635f\u574f\u7684 DEF \u50a8\u7f50<\/li>\n<\/ul>\n<h2 id=\"diagnosis\">\u8bca\u65ad<\/h2>\n<p>\u8981\u8bca\u65ad P205D \u4ee3\u7801\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n<ol>\n<li>\u626b\u63cf\u6545\u969c\u4ee3\u7801\u5e76\u8bb0\u5f55\u51bb\u7ed3\u5e27\u6570\u636e<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5 DEF \u50a8\u7f50\u3001\u63a5\u7ebf\u548c\u8fde\u63a5\u5668\u662f\u5426\u6709\u635f\u574f<\/li>\n<li>\u6d4b\u8bd5\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u7535\u963b\uff08\u53c2\u8003\u5236\u9020\u5546\u89c4\u683c\uff09<\/li>\n<li>\u68c0\u67e5\u4f20\u611f\u5668\u7684\u53c2\u8003\u7535\u538b\u548c\u63a5\u5730\u4fe1\u53f7\uff08\u901a\u5e38\u4e3a 5V \u53c2\u8003\uff09<\/li>\n<li>\u5982\u679c\u4f20\u611f\u5668\u6d4b\u8bd5\u5728\u89c4\u683c\u8303\u56f4\u5185\uff0c\u68c0\u67e5\u63a5\u7ebf\u7684\u8fde\u7eed\u6027\u5e76\u8fdb\u884c\u9488\u62d6\u6d4b\u8bd5<\/li>\n<li>\u4f7f\u7528\u793a\u6ce2\u5668\u5206\u6790\u4f20\u611f\u5668\u4fe1\u53f7\u7684\u566a\u58f0\u6216\u95f4\u6b47\u6027\u6545\u969c<\/li>\n<\/ol>\n<h2 id=\"repair-solutions\">\u4fee\u590d\u65b9\u6848<\/h2>\n<p>\u6839\u636e\u8bca\u65ad\u7ed3\u679c\uff0c\u8003\u8651\u4ee5\u4e0b\u4fee\u590d\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u6545\u969c\uff0c\u66f4\u6362\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>\u4fee\u590d\u6216\u66f4\u6362\u635f\u574f\u7684\u63a5\u7ebf\u6216\u8fde\u63a5\u5668<\/li>\n<li>\u6e05\u6d01\u7535\u6c14\u8fde\u63a5\u5e76\u6d82\u62b9\u7edd\u7f18\u8102<\/li>\n<li>\u5982\u679c\u635f\u574f\uff0c\u66f4\u6362 DEF \u50a8\u7f50<\/li>\n<li>\u5982\u679c\u786e\u5b9a\u6545\u969c\uff0c\u6267\u884c PCM \u91cd\u65b0\u7f16\u7a0b\u6216\u66f4\u6362<\/li>\n<\/ul>\n<h2 id=\"prevention\">\u9884\u9632\u63aa\u65bd<\/h2>\n<p>\u4e3a\u9632\u6b62 P205D \u4ee3\u7801\u7684\u518d\u6b21\u51fa\u73b0\uff1a<\/p>\n<ul>\n<li>\u9075\u5faa\u5236\u9020\u5546\u63a8\u8350\u7684\u7ef4\u62a4\u8ba1\u5212<\/li>\n<li>\u4ec5\u4f7f\u7528\u9ad8\u8d28\u91cf\u7684\u67f4\u6cb9\u6392\u653e\u6db2 (DEF)<\/li>\n<li>\u53ca\u65f6\u5904\u7406 SCR \u7cfb\u7edf\u6545\u969c<\/li>\n<li>\u4fdd\u6301 DEF \u50a8\u7f50\u52a0\u6ee1\u4ee5\u9632\u6b62\u6c61\u67d3<\/li>\n<\/ul>\n<h2 id=\"cost-estimates\">\u8d39\u7528\u4f30\u7b97<\/h2>\n<p>\u4fee\u7406\u8d39\u7528\u53ef\u80fd\u56e0\u8f66\u8f86\u54c1\u724c\u3001\u578b\u53f7\u548c\u5730\u70b9\u800c\u5f02\u3002\u4f30\u7b97\u8d39\u7528\uff1a<\/p>\n<ul>\n<li>\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\uff1a80-120 \u7f8e\u5143 \/ 75-110 \u6b27\u5143<\/li>\n<li>\u4eba\u5de5\u8d39\u7528\uff1a1-2 \u5c0f\u65f6\u7684\u8f66\u95f4\u8d39<\/li>\n<\/ul>\n<h2 id=\"related-issues\">\u76f8\u5173\u95ee\u9898<\/h2>\n<p>\u4e0e P205D \u5e38\u89c1\u7684\u5176\u4ed6\u6545\u969c\u4ee3\u7801\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>P20EE &#8211; SCR \u6548\u7387\u4f4e\u4e8e\u9608\u503c<\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p20e8-scr-nox-catalyst-efficiency-below-threshold\/\" title=\"P20E8 - \u8fd8\u539f\u5242\u538b\u529b\u8fc7\u4f4e\">P20E8 &#8211; \u8fd8\u539f\u5242\u538b\u529b\u8fc7\u4f4e<\/a><\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p20e9-scr-nox-catalyst-conversion-efficiency-warning\/\" title=\"P20E9 - \u8fd8\u539f\u5242\u538b\u529b\u8fc7\u9ad8\">P20E9 &#8211; \u8fd8\u539f\u5242\u538b\u529b\u8fc7\u9ad8<\/a><\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u4ee3\u7801\u53ef\u80fd\u8868\u793a SCR \u7cfb\u7edf\u5185\u5b58\u5728\u66f4\u5e7f\u6cdb\u7684\u95ee\u9898\uff0c\u5e94\u4e0e P205D \u4e00\u8d77\u8c03\u67e5\u3002<\/p>\n<h2 id=\"frequently-asked-questions-about-p205d\">\u5173\u4e8e P205D \u7684\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>OBD-II \u4ee3\u7801 P205D \u7684\u610f\u601d\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>P205D \u8868\u793a\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757 (PCM) \u68c0\u6d4b\u5230\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f (SCR) \u7cfb\u7edf\u7684\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u7535\u538b\u8fc7\u9ad8\u3002<\/p>\n<h3>\u5904\u7406\u4ee3\u7801 P205D \u7684\u7d27\u8feb\u6027\u5982\u4f55\uff1f<\/h3>\n<p>P205D \u5e94\u88ab\u89c6\u4e3a\u4e25\u91cd\u95ee\u9898\uff0c\u5e94\u53ca\u65f6\u5904\u7406\u3002\u867d\u7136\u60a8\u53ef\u80fd\u80fd\u591f\u77ed\u8ddd\u79bb\u9a7e\u9a76\uff0c\u4f46\u5efa\u8bae\u5c3d\u5feb\u5bf9\u8f66\u8f86\u8fdb\u884c\u68c0\u67e5\u548c\u4fee\u7406\uff0c\u4ee5\u9632\u6b62\u6f5c\u5728\u7684\u50ac\u5316\u5242\u635f\u574f\u5e76\u786e\u4fdd\u7b26\u5408\u6392\u653e\u8981\u6c42\u3002<\/p>\n<h3>\u4ee3\u7801 P205D \u7684\u5e38\u89c1\u75c7\u72b6\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5e38\u89c1\u75c7\u72b6\u5305\u62ec\u53d1\u52a8\u673a\u6545\u969c\u706f\u70b9\u4eae\u3001\u71c3\u6cb9\u6548\u7387\u964d\u4f4e\u3001\u53d1\u52a8\u673a\u6027\u80fd\u4e0b\u964d\u4ee5\u53ca\u5176\u4ed6\u4e0e SCR \u76f8\u5173\u7684\u6545\u969c\u4ee3\u7801\u3002<\/p>\n<h3>\u5bfc\u81f4 P205D \u4ee3\u7801\u51fa\u73b0\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5e38\u89c1\u539f\u56e0\u5305\u62ec\u6545\u969c\u7684\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u3001\u63a5\u7ebf\u95ee\u9898\uff08\u5f00\u8def\u3001\u77ed\u8def\u6216\u78e8\u635f\u7684\u7535\u8def\uff09\u3001\u7535\u6c14\u8fde\u63a5\u4e0d\u826f\u3001\u6545\u969c\u7684 PCM \u6216 SCR \u63a7\u5236\u5668\uff0c\u6216\u635f\u574f\u7684 DEF \u50a8\u7f50\u3002<\/p>\n<h3>P205D \u662f\u901a\u7528\u4ee3\u7801\u8fd8\u662f\u5236\u9020\u5546\u7279\u5b9a\u4ee3\u7801\uff1f<\/h3>\n<p>P205D \u662f\u4e00\u4e2a\u901a\u7528\u52a8\u529b\u603b\u6210\u4ee3\u7801\uff0c\u9002\u7528\u4e8e\u8bb8\u591a OBD-II \u8f66\u8f86\uff0c\u7279\u522b\u662f\u90a3\u4e9b\u914d\u5907 SCR \u7cfb\u7edf\u7684\u67f4\u6cb9\u53d1\u52a8\u673a\u3002<\/p>\n<h3>\u4e0e\u4ee3\u7801 P205D 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