{"id":3694,"date":"2025-10-17T10:35:32","date_gmt":"2025-10-17T08:35:32","guid":{"rendered":"https:\/\/diagzone.org\/?p=3694"},"modified":"2025-10-17T10:35:34","modified_gmt":"2025-10-17T08:35:34","slug":"sae-j1850-pwm-the-foundation-of-communication-in-older-vehicles","status":"publish","type":"post","link":"https:\/\/diagzone.org\/ar\/sae-j1850-pwm-the-foundation-of-communication-in-older-vehicles\/","title":{"rendered":"SAE J1850 PWM: \u0623\u0633\u0627\u0633 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0641\u064a \u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a \u0627\u0644\u0642\u062f\u064a\u0645\u0629"},"content":{"rendered":"<p>\u064a\u064f\u0639\u062f SAE J1850 PWM \u200f(Pulse Width Modulation) \u0623\u062d\u062f \u0623\u0648\u0627\u0626\u0644 \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 OBD-II. \u0648\u0642\u062f \u062a\u0645 \u062a\u0637\u0648\u064a\u0631 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644 \u0645\u0646 \u0642\u0628\u0644 SAE \u200f(\u062c\u0645\u0639\u064a\u0629 \u0645\u0647\u0646\u062f\u0633\u064a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a) \u0628\u0647\u062f\u0641 \u062a\u0645\u0643\u064a\u0646 \u062a\u0628\u0627\u062f\u0644 \u0628\u064a\u0627\u0646\u0627\u062a \u0633\u0631\u064a\u0639 \u0648\u0645\u0648\u062b\u0648\u0642 \u0628\u064a\u0646 \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u062f\u0627\u062e\u0644 \u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a.<\/p>\n\n\n\n<p><strong>\u0643\u064a\u0641 \u064a\u0639\u0645\u0644 SAE J1850 PWM\u061f<\/strong><\/p>\n\n\n\n<p>\u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644 \u062a\u0642\u0646\u064a\u0629 \u062a\u0639\u062f\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0646\u0628\u0636\u0629 (PWM) \u0644\u0646\u0642\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0628\u064a\u0646 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 (ECU). \u0648\u062a\u0628\u0644\u063a \u0633\u0631\u0639\u0629 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 41.6 \u0643\u064a\u0644\u0648\u0628\u062a\/\u062b\u060c \u0648\u0627\u0644\u062a\u064a \u0643\u0627\u0646\u062a \u0641\u064a \u0630\u0644\u0643 \u0627\u0644\u0648\u0642\u062a \u0643\u0627\u0641\u064a\u0629 \u0644\u0648\u0638\u0627\u0626\u0641 \u0627\u0644\u062a\u0634\u062e\u064a\u0635 \u0648\u062a\u0628\u0627\u062f\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0627\u0644\u0645\u062a\u0639\u0644\u0642\u0629 \u0628\u0627\u0644\u0645\u062d\u0631\u0643 \u0648\u0627\u0644\u0627\u0646\u0628\u0639\u0627\u062b\u0627\u062a \u0648\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0633\u0644\u0627\u0645\u0629.<\/p>\n\n\n\n<p><strong>\u0645\u062d\u0648\u0644\u0627\u062a OBD-II \u0645\u0646 Launch \u0627\u0644\u062a\u064a \u062a\u062f\u0639\u0645 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644:<\/strong><\/p>\n\n\n\n<p>DBScar I, DBScar II, DBScar III, DBScar IV, DBScar V, DBScar VII<\/p>\n\n\n\n<p><strong>\u0623\u062c\u0647\u0632\u0629 ThinkDiag \u0627\u0644\u062a\u064a \u062a\u062f\u0639\u0645 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644:<\/strong><\/p>\n\n\n\n<p>ThinkDiag, ThinkDiag 2<\/p>\n\n\n\n<p><strong>\u0623\u062c\u0647\u0632\u0629 Ediag \u0627\u0644\u062a\u064a \u062a\u062f\u0639\u0645 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644:<\/strong><\/p>\n\n\n\n<p>Ediag YA-101, Ediag YA-201, Ediag Plus, Ediag Elite<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"424\" height=\"424\" src=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-26.jpeg\" alt=\"\" class=\"wp-image-3697\" srcset=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-26.jpeg 424w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-26-300x300.jpeg 300w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-26-150x150.jpeg 150w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-26-100x100.jpeg 100w\" sizes=\"auto, (max-width: 424px) 100vw, 424px\" \/><\/figure>\n\n\n\n<p><strong>\u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a \u0648\u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0627\u0644\u062a\u064a \u064a\u062f\u0639\u0645\u0647\u0627 \u0627\u0644\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644:<\/strong><\/p>\n\n\n\n<p>\u0633\u064a\u0627\u0631\u0627\u062a \u0631\u0643\u0627\u0628 \u0645\u0646 \u0634\u0631\u0643\u0627\u062a \u0623\u0645\u0631\u064a\u0643\u064a\u0629\u060c \u0623\u0628\u0631\u0632\u0647\u0627 Ford \u0648Lincoln \u0648Mercury\u061b \u0637\u0631\u0627\u0632\u0627\u062a \u0645\u0646 \u0639\u0627\u0645 1996 \u0625\u0644\u0649 2004.<\/p>\n\n\n\n<p><strong>\u0645\u0632\u0627\u064a\u0627 \u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644 SAE J1850 PWM<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0646\u0642\u0644 \u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0648\u062b\u0648\u0642 \u0648\u0645\u0633\u062a\u0642\u0631 \u0641\u064a \u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0639\u062f\u0629 \u0648\u062d\u062f\u0627\u062a ECU<\/li>\n\n\n\n<li>\u062a\u0646\u0641\u064a\u0630 \u0628\u0633\u064a\u0637 \u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u062c\u064a\u062f\u0629 \u0644\u0644\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a<\/li>\n\n\n\n<li>\u0645\u0648\u062d\u0651\u062f \u0644\u0646\u0638\u0627\u0645 OBD-II\u060c \u0645\u0645\u0627 \u064a\u062a\u064a\u062d \u0625\u062c\u0631\u0627\u0621 \u062a\u0634\u062e\u064a\u0635\u0627\u062a \u0623\u0633\u0627\u0633\u064a\u0629 \u062f\u0648\u0646 \u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u0628\u0631\u0627\u0645\u062c \u0645\u062a\u062e\u0635\u0635\u0629<\/li>\n\n\n\n<li>\u0645\u0641\u064a\u062f \u0641\u064a \u0627\u0644\u062a\u0639\u0644\u064a\u0645 \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u060c \u0644\u0623\u0646\u0647 \u064a\u0648\u0636\u062d \u0628\u0648\u0636\u0648\u062d \u0645\u0646\u0637\u0642 \u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644\u0627\u062a \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0642\u062f\u064a\u0645\u0629<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0627\u0644\u0639\u064a\u0648\u0628 \u0648\u0627\u0644\u0642\u064a\u0648\u062f<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0633\u0631\u0639\u0629 \u0646\u0642\u0644 \u0645\u062d\u062f\u0648\u062f\u0629 \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0623\u0646\u0638\u0645\u0629 CAN \u0627\u0644\u062d\u062f\u064a\u062b\u0629<\/li>\n\n\n\n<li>\u0644\u0627 \u064a\u062f\u0639\u0645 \u0627\u0644\u0648\u0638\u0627\u0626\u0641 \u0627\u0644\u0645\u062a\u0642\u062f\u0645\u0629 \u0645\u062b\u0644 \u0628\u062b \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0641\u0639\u0644\u064a<\/li>\n\n\n\n<li>\u0645\u0639\u064a\u0627\u0631 \u0645\u062a\u0642\u0627\u062f\u0645\u060c \u062a\u0645 \u0627\u0633\u062a\u0628\u062f\u0627\u0644\u0647 \u0628\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644\u0627\u062a \u0645\u062b\u0644 ISO 15765 \u200f(CAN) \u0648ISO 9141-2<\/li>\n\n\n\n<li>\u062a\u0648\u0641\u0631 \u0623\u0642\u0644 \u0644\u0644\u0645\u0631\u0643\u0628\u0627\u062a \u0648\u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0645\u062a\u0648\u0627\u0641\u0642\u0629 \u0641\u064a \u0627\u0644\u0637\u0631\u0627\u0632\u0627\u062a \u0627\u0644\u0623\u062d\u062f\u062b<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0623\u064a\u0646 \u064a\u064f\u0633\u062a\u062e\u062f\u0645 SAE J1850 PWM\u061f<\/strong><\/p>\n\n\n\n<p>\u064a\u064f\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644 \u0641\u064a \u0627\u062a\u0635\u0627\u0644 OBD-II \u0644\u0642\u0631\u0627\u0621\u0629 \u0648\u0645\u0633\u062d \u0631\u0645\u0648\u0632 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 DTC\u060c \u0648\u0645\u0631\u0627\u0642\u0628\u0629 \u0642\u064a\u0645 \u0627\u0644\u0645\u0633\u062a\u0634\u0639\u0631\u0627\u062a\u060c \u0648\u062a\u062a\u0628\u0639 \u0639\u0645\u0644 \u0627\u0644\u0645\u062d\u0631\u0643. \u0648\u064a\u064f\u0637\u0628\u0651\u064e\u0642 \u0628\u0634\u0643\u0644 \u0634\u0627\u0626\u0639 \u0641\u064a \u0637\u0631\u0627\u0632\u0627\u062a \u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a \u0627\u0644\u0623\u0642\u062f\u0645 \u0627\u0644\u062a\u064a \u0644\u0627 \u062a\u0632\u0627\u0644 \u062a\u0633\u062a\u062e\u062f\u0645 \u0648\u062d\u062f\u0627\u062a \u062a\u062d\u0643\u0645 \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u062a\u0642\u0644\u064a\u062f\u064a\u0629 \u0645\u062a\u0635\u0644\u0629 \u0639\u0628\u0631 \u0646\u0638\u0627\u0645 PWM.<\/p>\n\n\n\n<p><strong>\u0627\u0644\u062e\u0644\u0627\u0635\u0629<\/strong><\/p>\n\n\n\n<p>\u0644\u0627 \u064a\u0632\u0627\u0644 \u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644 SAE J1850 PWM \u064a\u0644\u0639\u0628 \u062f\u0648\u0631\u0627\u064b \u0645\u0647\u0645\u0627\u064b \u0641\u064a \u062a\u0634\u062e\u064a\u0635 \u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a\u060c \u062e\u0627\u0635\u0629 \u0641\u064a \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0623\u0642\u062f\u0645. \u0648\u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0627\u0644\u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644\u0627\u062a \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u062a\u062d\u0644 \u0645\u062d\u0644\u0647 \u062a\u062f\u0631\u064a\u062c\u064a\u0627\u064b\u060c \u0641\u0625\u0646 \u0641\u0647\u0645 SAE J1850 PWM \u064a\u064f\u0639\u062f \u0636\u0631\u0648\u0631\u064a\u0627\u064b \u0644\u0623\u064a \u062e\u0628\u064a\u0631 \u062a\u0634\u062e\u064a\u0635 \u064a\u0631\u063a\u0628 \u0641\u064a \u0627\u0644\u0639\u0645\u0644 \u0628\u0643\u0641\u0627\u0621\u0629 \u0645\u0639 \u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0643\u0627\u0645\u0644 \u0644\u0623\u0646\u0638\u0645\u0629 OBD-II.<\/p>","protected":false},"excerpt":{"rendered":"<p>SAE J1850 PWM (Pulse Width Modulation) is one of the early standards for communication in OBD-II systems. This protocol was developed by SAE (Society of Automotive Engineers) with the goal of enabling fast and reliable data exchange between electronic modules within vehicles. How Does SAE J1850 PWM Work? The protocol uses pulse width modulation (PWM)&#8230;<\/p>","protected":false},"author":1,"featured_media":3696,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"SAEJ850 PWM: foundation of communication in older vehicles","_seopress_titles_desc":"SAE J1850 PWM still plays an important role in automotive diagnostics, particularly for older vehicles","_seopress_robots_index":"","inline_featured_image":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_themeisle_gutenberg_block_has_review":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"iawp_total_views":85,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}]},"featured_image_src_large":["https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/SAE-J1850-PWM.jpg",600,600,false],"author_info":{"display_name":"diagzone","author_link":"https:\/\/diagzone.org\/ar\/author\/xpro5\/"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":33,"filter":"raw","cat_ID":1,"category_count":33,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/diagzone.org\/ar\/wp-json\/wp\/v2\/posts\/3694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diagzone.org\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diagzone.org\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diagzone.org\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diagzone.org\/ar\/wp-json\/wp\/v2\/comments?post=3694"}],"version-history":[{"count":1,"href":"https:\/\/diagzone.org\/ar\/wp-json\/wp\/v2\/posts\/3694\/revisions"}],"predecessor-version":[{"id":3700,"href":"https:\/\/diagzone.org\/ar\/wp-json\/wp\/v2\/posts\/3694\/revisions\/3700"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagzone.org\/ar\/wp-json\/wp\/v2\/media\/3696"}],"wp:attachment":[{"href":"https:\/\/diagzone.org\/ar\/wp-json\/wp\/v2\/media?parent=3694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagzone.org\/ar\/wp-json\/wp\/v2\/categories?post=3694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagzone.org\/ar\/wp-json\/wp\/v2\/tags?post=3694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}