{"id":3629,"date":"2025-10-17T10:21:38","date_gmt":"2025-10-17T08:21:38","guid":{"rendered":"https:\/\/diagzone.org\/?p=3629"},"modified":"2025-10-17T10:21:40","modified_gmt":"2025-10-17T08:21:40","slug":"iso-27145-wwh-obd-global-standard-for-harmonized-obd-diagnostics","status":"publish","type":"post","link":"https:\/\/diagzone.org\/fr\/iso-27145-wwh-obd-global-standard-for-harmonized-obd-diagnostics\/","title":{"rendered":"ISO 27145 (WWH-OBD) : Norme mondiale pour le diagnostic OBD harmonis\u00e9"},"content":{"rendered":"<p>ISO 27145, \u00e9galement connu sous le nom de Worldwide Harmonized OBD (WWH-OBD), est une norme internationale pour le diagnostic OBD unifi\u00e9 des v\u00e9hicules. L\u2019objectif de ce protocole est d\u2019harmoniser les proc\u00e9dures de diagnostic et les codes d\u00e9fauts \u00e0 l\u2019\u00e9chelle mondiale, permettant aux constructeurs automobiles et aux centres de service d\u2019appliquer des m\u00e9thodes standardis\u00e9es pour le diagnostic et la maintenance des v\u00e9hicules.<\/p>\n\n\n\n<p><strong>Comment fonctionne l\u2019ISO 27145<\/strong><\/p>\n\n\n\n<p>Le WWH-OBD utilise le bus CAN (Controller Area Network) comme colonne vert\u00e9brale de communication entre les modules ECU. La norme d\u00e9finit :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Codes de d\u00e9faut de diagnostic (DTC) harmonis\u00e9s \u00e0 l\u2019\u00e9chelle mondiale.<\/li>\n\n\n\n<li>Proc\u00e9dures de lecture et d\u2019effacement des d\u00e9fauts.<\/li>\n\n\n\n<li>Param\u00e8tres des capteurs et donn\u00e9es en temps r\u00e9el.<\/li>\n\n\n\n<li>Services de diagnostic standardis\u00e9s.<\/li>\n<\/ul>\n\n\n\n<p>Cela permet un diagnostic coh\u00e9rent \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e du march\u00e9 ou du constructeur automobile, simplifiant consid\u00e9rablement le service et la maintenance.<\/p>\n\n\n\n<p><strong>Adaptateurs OBD-II Launch prenant en charge le protocole :<\/strong><\/p>\n\n\n\n<p>DBScar V, DBScar VII<\/p>\n\n\n\n<p><strong>Appareils ThinkDiag prenant en charge le protocole :<\/strong><\/p>\n\n\n\n<p>ThinkDiag 2<\/p>\n\n\n\n<p><strong>Appareils Ediag prenant en charge le protocole :<\/strong><\/p>\n\n\n\n<p>Ediag Plus, Ediag Elite<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"377\" height=\"377\" src=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-5.jpeg\" alt=\"\" class=\"wp-image-3633\" srcset=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-5.jpeg 377w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-5-300x300.jpeg 300w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-5-150x150.jpeg 150w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-5-100x100.jpeg 100w\" sizes=\"auto, (max-width: 377px) 100vw, 377px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"386\" height=\"386\" src=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-6.jpeg\" alt=\"\" class=\"wp-image-3634\" srcset=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-6.jpeg 386w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-6-300x300.jpeg 300w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-6-150x150.jpeg 150w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-6-100x100.jpeg 100w\" sizes=\"auto, (max-width: 386px) 100vw, 386px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"384\" height=\"384\" src=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-7.jpeg\" alt=\"\" class=\"wp-image-3635\" srcset=\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-7.jpeg 384w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-7-300x300.jpeg 300w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-7-150x150.jpeg 150w, https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-7-100x100.jpeg 100w\" sizes=\"auto, (max-width: 384px) 100vw, 384px\" \/><\/figure>\n\n\n\n<p><strong>Types de v\u00e9hicules et marques pris en charge par le protocole :<\/strong><\/p>\n\n\n\n<p>V\u00e9hicules particuliers et utilitaires l\u00e9gers conformes aux normes d\u2019\u00e9missions WW-OBD, principalement de constructeurs europ\u00e9ens et asiatiques : Volkswagen, BMW, Mercedes-Benz, Audi, Toyota, Honda, Nissan, Hyundai, Kia, Ford, GM ; mod\u00e8les \u00e0 partir d\u2019environ 2015.<\/p>\n\n\n\n<p>Le protocole ISO 27145 permet un diagnostic OBD et une surveillance des \u00e9missions des v\u00e9hicules harmonis\u00e9s \u00e0 l\u2019\u00e9chelle mondiale.<\/p>\n\n\n\n<p><strong>Avantages de l\u2019ISO 27145 (WWH-OBD)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standardis\u00e9 \u00e0 l\u2019\u00e9chelle mondiale, facilitant l\u2019interop\u00e9rabilit\u00e9 des v\u00e9hicules et la maintenance.<\/li>\n\n\n\n<li>Prend en charge les diagnostics en temps r\u00e9el et l\u2019acc\u00e8s aux param\u00e8tres ECU.<\/li>\n\n\n\n<li>Permet la lecture et l\u2019interpr\u00e9tation unifi\u00e9es des codes DTC.<\/li>\n\n\n\n<li>Adapt\u00e9 au contr\u00f4le des \u00e9missions et \u00e0 la conformit\u00e9 r\u00e9glementaire.<\/li>\n\n\n\n<li>Simplifie les op\u00e9rations de service \u00e0 l\u2019\u00e9chelle internationale.<\/li>\n<\/ul>\n\n\n\n<p><strong>Inconv\u00e9nients et limitations<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u00e9cessite des outils de diagnostic compatibles<\/li>\n\n\n\n<li>Plus complexe \u00e0 mettre en \u0153uvre par rapport aux anciens protocoles OBD-II.<\/li>\n\n\n\n<li>Limit\u00e9 aux v\u00e9hicules prenant en charge la norme WWH-OBD.<\/li>\n\n\n\n<li>Les techniciens doivent \u00eatre form\u00e9s pour interpr\u00e9ter correctement les codes harmonis\u00e9s \u00e0 l\u2019\u00e9chelle mondiale.<\/li>\n<\/ul>\n\n\n\n<p><strong>Applications de l\u2019ISO 27145<\/strong><\/p>\n\n\n\n<p>Le WWH-OBD est utilis\u00e9 pour la surveillance des performances du v\u00e9hicule, la lecture et l\u2019effacement des codes DTC, le diagnostic des \u00e9missions, la surveillance des capteurs et la param\u00e9trisation des ECU. La norme garantit des diagnostics coh\u00e9rents et fiables sur les march\u00e9s mondiaux.<\/p>\n\n\n\n<p><strong>Conclusion<\/strong><\/p>\n\n\n\n<p>ISO 27145 (WWH-OBD) constitue une \u00e9tape cl\u00e9 vers l\u2019harmonisation mondiale du diagnostic OBD. Son application permet des proc\u00e9dures de diagnostic standardis\u00e9es, simplifie l\u2019entretien des v\u00e9hicules et contribue \u00e0 une meilleure gestion des \u00e9missions et des performances des v\u00e9hicules \u00e0 l\u2019\u00e9chelle mondiale.<\/p>","protected":false},"excerpt":{"rendered":"<p>ISO 27145, also known as Worldwide Harmonized OBD (WWH-OBD), is an international standard for unified OBD vehicle diagnostics. The goal of this protocol is to harmonize diagnostic procedures and fault codes globally, allowing vehicle manufacturers and service centers to apply standardized methods for vehicle diagnostics and maintenance. How ISO 27145 Works WWH-OBD uses the CAN&#8230;<\/p>","protected":false},"author":1,"featured_media":3632,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"ISO 27145 (WWH-OBD): Global Standard for OBD Diagnostics","_seopress_titles_desc":"ISO 27145 (WWH-OBD) is a key step toward global harmonization of OBD diagnostics. Its application enables standardized diagnostic procedures.","_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":83,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3629","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-27145-WWH-OBD-Worldwide-Harmonized-OBD.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\/3629","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=3629"}],"version-history":[{"count":1,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/posts\/3629\/revisions"}],"predecessor-version":[{"id":3636,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/posts\/3629\/revisions\/3636"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/media\/3632"}],"wp:attachment":[{"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/media?parent=3629"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/categories?post=3629"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagzone.org\/fr\/wp-json\/wp\/v2\/tags?post=3629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}