{"id":3673,"date":"2025-10-17T10:30:08","date_gmt":"2025-10-17T08:30:08","guid":{"rendered":"https:\/\/diagzone.org\/?p=3673"},"modified":"2025-10-17T10:30:09","modified_gmt":"2025-10-17T08:30:09","slug":"iso-11898-3-low-speed-can-single-wire-can-reliable-communication-for-non-critical-systems","status":"publish","type":"post","link":"https:\/\/diagzone.org\/fr\/iso-11898-3-low-speed-can-single-wire-can-reliable-communication-for-non-critical-systems\/","title":{"rendered":"ISO 11898-3 CAN basse vitesse (CAN \u00e0 fil unique) : Communication fiable pour les syst\u00e8mes non critiques"},"content":{"rendered":"<p class=\"wp-block-paragraph\">L\u2019ISO 11898-3, \u00e9galement connue sous le nom de CAN basse vitesse ou CAN \u00e0 fil unique, est un protocole de communication normalis\u00e9 bas\u00e9 sur la technologie Controller Area Network (CAN), con\u00e7u pour les syst\u00e8mes du v\u00e9hicule ne n\u00e9cessitant pas des vitesses de transmission \u00e9lev\u00e9es. Ce protocole est couramment utilis\u00e9 pour des syst\u00e8mes non critiques tels que les vitres \u00e9lectriques, l\u2019\u00e9clairage, les capteurs de confort et la climatisation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Comment fonctionne le CAN basse vitesse<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le CAN basse vitesse utilise une ligne de communication \u00e0 fil unique entre les modules ECU. La norme prend en charge des d\u00e9bits de donn\u00e9es allant jusqu\u2019\u00e0 125 kb\/s, offrant une communication fiable et r\u00e9sistante m\u00eame dans des environnements soumis \u00e0 des interf\u00e9rences \u00e9lectromagn\u00e9tiques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les principales caract\u00e9ristiques incluent :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Couche physique simple, r\u00e9duisant les co\u00fbts de mise en \u0153uvre<\/li>\n\n\n\n<li>D\u00e9tection des erreurs et retransmission des messages<\/li>\n\n\n\n<li>Transfert de donn\u00e9es efficace pour les syst\u00e8mes du v\u00e9hicule non critiques<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Adaptateurs OBD-II Launch prenant en charge le protocole :<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DBScar I, DBScar II, DBScar III, DBScar IV, DBScar V, DBScar VII<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Appareils ThinkDiag prenant en charge le protocole :<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ThinkDiag, ThinkDiag 2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Appareils Ediag prenant en charge le protocole :<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">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=\"369\" height=\"369\" src=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-19.jpeg\" alt=\"\" class=\"wp-image-3677\" srcset=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-19.jpeg 369w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-19-300x300.jpeg 300w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-19-150x150.jpeg 150w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-19-100x100.jpeg 100w\" sizes=\"auto, (max-width: 369px) 100vw, 369px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"403\" height=\"403\" src=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-20.jpeg\" alt=\"\" class=\"wp-image-3678\" srcset=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-20.jpeg 403w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-20-300x300.jpeg 300w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-20-150x150.jpeg 150w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-20-100x100.jpeg 100w\" sizes=\"auto, (max-width: 403px) 100vw, 403px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"453\" height=\"453\" src=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-21.jpeg\" alt=\"\" class=\"wp-image-3679\" srcset=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-21.jpeg 453w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-21-300x300.jpeg 300w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-21-150x150.jpeg 150w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-21-100x100.jpeg 100w\" sizes=\"auto, (max-width: 453px) 100vw, 453px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Types de v\u00e9hicules et marques pris en charge par le protocole :<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e9hicules particuliers et utilitaires l\u00e9gers de constructeurs europ\u00e9ens et am\u00e9ricains, notamment Volkswagen, Audi, BMW, Mercedes-Benz, Ford, GM, ainsi que des v\u00e9hicules \u00e9quip\u00e9s de syst\u00e8mes de confort et auxiliaires (par ex. ABS, ESP, climatisation) ; g\u00e9n\u00e9ralement des mod\u00e8les \u00e0 partir de 2003.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le CAN basse vitesse utilise un seul fil et une vitesse de transmission plus faible pour les syst\u00e8mes du v\u00e9hicule moins critiques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Avantages de l\u2019ISO 11898-3 CAN basse vitesse<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Co\u00fbts de mise en \u0153uvre inf\u00e9rieurs par rapport au CAN haute vitesse<\/li>\n\n\n\n<li>Zuverl\u00e4ssige Kommunikation f\u00fcr nicht sicherheitskritische Systeme<\/li>\n\n\n\n<li>Standardis\u00e9 et compatible avec diff\u00e9rents types de v\u00e9hicules<\/li>\n\n\n\n<li>Permet des diagnostics simples et la surveillance du fonctionnement des modules<\/li>\n\n\n\n<li>Id\u00e9al pour les syst\u00e8mes de confort et auxiliaires dans les v\u00e9hicules<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Inconv\u00e9nients et limitations<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Faible vitesse de transfert des donn\u00e9es (jusqu\u2019\u00e0 125 kb\/s) limitant le d\u00e9bit<\/li>\n\n\n\n<li>Non adapt\u00e9 aux syst\u00e8mes critiques tels que l\u2019ABS ou le contr\u00f4le moteur<\/li>\n\n\n\n<li>N\u00e9cessite des outils de diagnostic compatibles<\/li>\n\n\n\n<li>Limit\u00e9 aux v\u00e9hicules \u00e9quip\u00e9s de r\u00e9seaux CAN \u00e0 fil unique<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Applications du CAN basse vitesse<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le CAN basse vitesse est utilis\u00e9 pour le contr\u00f4le et le diagnostic des syst\u00e8mes non critiques, notamment les vitres \u00e9lectriques, le verrouillage centralis\u00e9, l\u2019\u00e9clairage et la climatisation. Sa simplicit\u00e9 et sa fiabilit\u00e9 le rendent id\u00e9al pour les modules de confort et auxiliaires des v\u00e9hicules.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Conclusion<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019ISO 11898-3 (CAN basse vitesse \/ CAN \u00e0 fil unique) fournit une norme fiable et \u00e9conomique pour la communication et le diagnostic des syst\u00e8mes du v\u00e9hicule non critiques. Sa capacit\u00e9 \u00e0 r\u00e9duire les co\u00fbts de mise en \u0153uvre tout en maintenant une grande fiabilit\u00e9 en fait un \u00e9l\u00e9ment essentiel pour la gestion des fonctions auxiliaires dans les automobiles modernes.<\/p>","protected":false},"excerpt":{"rendered":"<p>ISO 11898-3, also known as Low-speed CAN or Single Wire CAN, is a standardized communication protocol based on Controller Area Network (CAN) technology, designed for vehicle systems where high data transfer speeds are not required. This protocol is commonly used for non-critical systems such as windows, lighting, comfort sensors, and climate control. How Low-speed CAN&#8230;<\/p>","protected":false},"author":1,"featured_media":3675,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"ISO 11898-3 Low-speed CAN (Single Wire CAN)","_seopress_titles_desc":"ISO 11898-3 (Low-speed \/ Single Wire CAN) a reliable and cost-effective standard for communication and diagnostics of non-critical 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":108,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3673","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-11898-3-Low-speed-CAN-Single-Wire-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\/3673","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=3673"}],"version-history":[{"count":1,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/posts\/3673\/revisions"}],"predecessor-version":[{"id":3680,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/posts\/3673\/revisions\/3680"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/media\/3675"}],"wp:attachment":[{"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/media?parent=3673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/categories?post=3673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/tags?post=3673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}