{"id":3701,"date":"2025-10-17T10:44:11","date_gmt":"2025-10-17T08:44:11","guid":{"rendered":"https:\/\/diagzone.org\/?p=3701"},"modified":"2025-10-17T10:44:13","modified_gmt":"2025-10-17T08:44:13","slug":"iso-15765-4-can-standard-for-high-speed-obd-ii-communication","status":"publish","type":"post","link":"https:\/\/diagzone.org\/cs\/iso-15765-4-can-standard-for-high-speed-obd-ii-communication\/","title":{"rendered":"ISO 15765-4 (CAN): Standard pro vysokorychlostn\u00ed komunikaci OBD-II"},"content":{"rendered":"

ISO 15765-4, zn\u00e1m\u00fd tak\u00e9 jako CAN (Controller Area Network), je komunika\u010dn\u00ed protokol vyvinut\u00fd pro modern\u00ed diagnostiku OBD-II. Tento standard umo\u017e\u0148uje rychlou a spolehlivou v\u00fdm\u011bnu dat mezi elektronick\u00fdmi \u0159\u00eddic\u00edmi jednotkami (ECU) vozidla s vyu\u017eit\u00edm 11bitov\u00fdch a 29bitov\u00fdch identifik\u00e1tor\u016f p\u0159i p\u0159enosov\u00fdch rychlostech 250 kb\/s a 500 kb\/s.<\/p>\n\n\n\n

Jak funguje ISO 15765-4 (CAN)?<\/strong><\/p>\n\n\n\n

Protokol CAN vyu\u017e\u00edv\u00e1 multi-master sb\u011brnici, kter\u00e1 umo\u017e\u0148uje r\u016fzn\u00fdm modul\u016fm ECU odes\u00edlat a p\u0159ij\u00edmat data bez konflikt\u016f. Ka\u017ed\u00fd datov\u00fd paket obsahuje jedine\u010dn\u00fd identifik\u00e1tor, kter\u00fd zaji\u0161\u0165uje spr\u00e1vn\u00e9 adresov\u00e1n\u00ed a prioritu zpr\u00e1v. Rychlosti 250 kb\/s a 500 kb\/s umo\u017e\u0148uj\u00ed monitorov\u00e1n\u00ed senzor\u016f v re\u00e1ln\u00e9m \u010dase a pokro\u010dilou diagnostiku, co\u017e je z\u00e1sadn\u00ed pro modern\u00ed vozidla.<\/p>\n\n\n\n

OBD-II adapt\u00e9ry Launch podporuj\u00edc\u00ed tento protokol:<\/strong><\/p>\n\n\n\n

DBScar I, DBScar II, DBScar III, DBScar IV, DBScar V, DBScar VII<\/p>\n\n\n\n

Za\u0159\u00edzen\u00ed ThinkDiag podporuj\u00edc\u00ed tento protokol:<\/strong><\/p>\n\n\n\n

ThinkDiag, ThinkDiag 2<\/p>\n\n\n\n

Za\u0159\u00edzen\u00ed Ediag podporuj\u00edc\u00ed tento protokol:<\/strong><\/p>\n\n\n\n

Ediag YA-101, Ediag YA-201, Ediag Plus, Ediag Elite<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Typy vozidel a zna\u010dky podporovan\u00e9 protokolem:<\/strong><\/p>\n\n\n\n

Osobn\u00ed a lehk\u00e1 u\u017eitkov\u00e1 vozidla v\u0161ech v\u00fdrobc\u016f z let 2003\u20132008, v\u010detn\u011b Volkswagen, BMW, Mercedes-Benz, Audi, Ford, GM, Toyota, Honda, Nissan a Mazda, jeliko\u017e se CAN stal standardem pro modern\u00ed syst\u00e9my OBD-II.<\/p>\n\n\n\n

V\u00fdhody ISO 15765-4 (CAN)<\/strong><\/p>\n\n\n\n

    \n
  • Rychl\u00e1 a efektivn\u00ed komunikace mezi v\u00edce moduly ECU<\/li>\n\n\n\n
  • Vysok\u00e1 spolehlivost a odolnost v\u016f\u010di elektromagnetick\u00e9mu ru\u0161en\u00ed<\/li>\n\n\n\n
  • Podporuje diagnostiku v re\u00e1ln\u00e9m \u010dase a komplexn\u00ed funkce vozidla<\/li>\n\n\n\n
  • Standardizovan\u00fd pro t\u00e9m\u011b\u0159 v\u0161echna nov\u00e1 vozidla, zejm\u00e9na evropsk\u00e9 a americk\u00e9 modely<\/li>\n\n\n\n
  • Flexibiln\u00ed pro r\u016fzn\u00e9 p\u0159enosov\u00e9 rychlosti a 11\/29bitov\u00e9 identifik\u00e1tory<\/li>\n<\/ul>\n\n\n\n

    Nev\u00fdhody a omezen\u00ed<\/strong><\/p>\n\n\n\n

      \n
    • Vy\u017eaduje specifick\u00e9 diagnostick\u00e9 n\u00e1stroje kompatibiln\u00ed s CAN<\/li>\n\n\n\n
    • Vy\u0161\u0161\u00ed slo\u017eitost ve srovn\u00e1n\u00ed se star\u0161\u00edmi protokoly (ISO 9141, SAE J1850)<\/li>\n\n\n\n
    • M\u016f\u017ee vy\u017eadovat dodate\u010dnou konfiguraci u vozidel s v\u00edce CAN s\u00edt\u011bmi<\/li>\n\n\n\n
    • Bez adapt\u00e9ru nen\u00ed p\u0159\u00edmo kompatibiln\u00ed se star\u0161\u00edmi s\u00e9riov\u00fdmi protokoly OBD-II<\/li>\n<\/ul>\n\n\n\n

      Pou\u017eit\u00ed ISO 15765-4 (CAN)<\/strong><\/p>\n\n\n\n

      Protokol CAN se pou\u017e\u00edv\u00e1 ke \u010dten\u00ed a maz\u00e1n\u00ed chybov\u00fdch k\u00f3d\u016f DTC, sledov\u00e1n\u00ed \u017eiv\u00fdch dat, programov\u00e1n\u00ed modul\u016f ECU a \u0159\u00edzen\u00ed pokro\u010dil\u00fdch syst\u00e9m\u016f. D\u00edky vysok\u00e9 rychlosti a spolehlivosti je standardem pro modern\u00ed vozidla v\u010detn\u011b benzinov\u00fdch, dieselov\u00fdch, hybridn\u00edch a elektrick\u00fdch model\u016f.<\/p>\n\n\n\n

      Z\u00e1v\u011br<\/strong><\/p>\n\n\n\n

      ISO 15765-4 (CAN) je kl\u00ed\u010dov\u00fdm protokolem pro modern\u00ed diagnostiku OBD-II. Jeho rychlost, spolehlivost a flexibilita umo\u017e\u0148uj\u00ed pokro\u010dilou diagnostiku a spr\u00e1vu komplexn\u00edch syst\u00e9m\u016f vozidel, co\u017e z n\u011bj \u010din\u00ed nepostradateln\u00fd n\u00e1stroj pro profesion\u00e1ln\u00ed diagnostiky a techniky.<\/p>","protected":false},"excerpt":{"rendered":"

      ISO 15765-4, also known as CAN (Controller Area Network), is a communication protocol developed for modern OBD-II diagnostics. This standard enables fast and reliable data exchange between electronic control units (ECUs) in a vehicle, using 11-bit and 29-bit identifiers with transmission speeds of 250 kb\/s and 500 kb\/s. How Does ISO 15765-4 (CAN) Work? The…<\/p>","protected":false},"author":1,"featured_media":3704,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"ISO 15765-4 (CAN): standard for high-speed OBD-II communication","_seopress_titles_desc":"ISO 15765-4 (CAN) is a key protocol for modern OBD-II diagnostics. Its speed, reliability, and flexibility enable advanced diagnostics and management of complex vehicle systems.","_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":151,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3701","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\/ISO-15765-4-CAN.jpg",600,600,false],"author_info":{"display_name":"diagzone","author_link":"https:\/\/diagzone.org\/cs\/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\/cs\/wp-json\/wp\/v2\/posts\/3701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/comments?post=3701"}],"version-history":[{"count":1,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/posts\/3701\/revisions"}],"predecessor-version":[{"id":3706,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/posts\/3701\/revisions\/3706"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/media\/3704"}],"wp:attachment":[{"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/media?parent=3701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/categories?post=3701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/tags?post=3701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}