{"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\/fr\/iso-15765-4-can-standard-for-high-speed-obd-ii-communication\/","title":{"rendered":"ISO 15765-4 (CAN) : Norme pour la communication OBD-II \u00e0 haute vitesse"},"content":{"rendered":"

ISO 15765-4, \u00e9galement connu sous le nom de CAN (Controller Area Network), est un protocole de communication d\u00e9velopp\u00e9 pour les diagnostics OBD-II modernes. Cette norme permet un \u00e9change de donn\u00e9es rapide et fiable entre les unit\u00e9s de commande \u00e9lectroniques (ECU) d\u2019un v\u00e9hicule, en utilisant des identifiants 11 bits et 29 bits avec des vitesses de transmission de 250 kb\/s et 500 kb\/s.<\/p>\n\n\n\n

Comment fonctionne l\u2019ISO 15765-4 (CAN) ?<\/strong><\/p>\n\n\n\n

Le protocole CAN utilise un bus multi-ma\u00eetre, permettant \u00e0 diff\u00e9rents modules ECU d\u2019envoyer et de recevoir des donn\u00e9es sans conflit. Chaque trame de donn\u00e9es contient un identifiant unique garantissant un adressage correct et une priorit\u00e9 des messages. Des vitesses de 250 kb\/s et 500 kb\/s permettent la surveillance des capteurs en temps r\u00e9el et des diagnostics avanc\u00e9s, essentiels pour les v\u00e9hicules modernes.<\/p>\n\n\n\n

Adaptateurs OBD-II Launch prenant en charge le protocole :<\/strong><\/p>\n\n\n\n

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

Appareils ThinkDiag prenant en charge le protocole :<\/strong><\/p>\n\n\n\n

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

Appareils Ediag prenant en charge le protocole :<\/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

Types de v\u00e9hicules et marques pris en charge par le protocole :<\/strong><\/p>\n\n\n\n

V\u00e9hicules particuliers et utilitaires l\u00e9gers de tous les constructeurs produits entre 2003 et 2008, notamment Volkswagen, BMW, Mercedes-Benz, Audi, Ford, GM, Toyota, Honda, Nissan et Mazda, le CAN \u00e9tant devenu la norme pour les syst\u00e8mes OBD-II modernes.<\/p>\n\n\n\n

Avantages de l\u2019ISO 15765-4 (CAN)<\/strong><\/p>\n\n\n\n

    \n
  • Communication rapide et efficace entre plusieurs modules ECU<\/li>\n\n\n\n
  • Haute fiabilit\u00e9 et r\u00e9sistance aux interf\u00e9rences \u00e9lectromagn\u00e9tiques<\/li>\n\n\n\n
  • Prend en charge les diagnostics en temps r\u00e9el et les fonctions complexes du v\u00e9hicule<\/li>\n\n\n\n
  • Standardis\u00e9 pour presque tous les nouveaux v\u00e9hicules, en particulier les mod\u00e8les europ\u00e9ens et am\u00e9ricains<\/li>\n\n\n\n
  • Flexible pour diff\u00e9rentes vitesses de transmission et des identifiants 11\/29 bits<\/li>\n<\/ul>\n\n\n\n

    Inconv\u00e9nients et limitations<\/strong><\/p>\n\n\n\n

      \n
    • N\u00e9cessite des outils de diagnostic compatibles CAN<\/li>\n\n\n\n
    • Complexit\u00e9 accrue par rapport aux anciens protocoles (ISO 9141, SAE J1850)<\/li>\n\n\n\n
    • Peut n\u00e9cessiter une configuration suppl\u00e9mentaire dans les v\u00e9hicules disposant de plusieurs r\u00e9seaux CAN<\/li>\n\n\n\n
    • Non directement compatible avec les anciens protocoles OBD-II s\u00e9rie sans adaptateur<\/li>\n<\/ul>\n\n\n\n

      Applications de l\u2019ISO 15765-4 (CAN)<\/strong><\/p>\n\n\n\n

      Le protocole CAN est utilis\u00e9 pour la lecture et l\u2019effacement des codes d\u00e9faut DTC, la surveillance des donn\u00e9es en temps r\u00e9el, la programmation des modules ECU et la gestion des syst\u00e8mes avanc\u00e9s. Sa vitesse \u00e9lev\u00e9e et sa fiabilit\u00e9 en font la norme pour les v\u00e9hicules modernes, y compris les mod\u00e8les essence, diesel, hybrides et \u00e9lectriques.<\/p>\n\n\n\n

      Conclusion<\/strong><\/p>\n\n\n\n

      ISO 15765-4 (CAN) est un protocole cl\u00e9 pour les diagnostics OBD-II modernes. Sa vitesse, sa fiabilit\u00e9 et sa flexibilit\u00e9 permettent des diagnostics avanc\u00e9s et la gestion de syst\u00e8mes de v\u00e9hicules complexes, ce qui le rend indispensable pour les diagnosticiens et techniciens professionnels.<\/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":147,"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\/fr\/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\/fr\/wp-json\/wp\/v2\/posts\/3701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/comments?post=3701"}],"version-history":[{"count":1,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/posts\/3701\/revisions"}],"predecessor-version":[{"id":3706,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/posts\/3701\/revisions\/3706"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/media\/3704"}],"wp:attachment":[{"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/media?parent=3701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/categories?post=3701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/tags?post=3701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}