{"id":3707,"date":"2025-10-17T10:45:30","date_gmt":"2025-10-17T08:45:30","guid":{"rendered":"https:\/\/diagzone.org\/?p=3707"},"modified":"2025-10-17T10:45:32","modified_gmt":"2025-10-17T08:45:32","slug":"iso-14230-4-kwp2000-a-guide-to-the-obd-ii-communication-protocol","status":"publish","type":"post","link":"https:\/\/diagzone.org\/sk\/iso-14230-4-kwp2000-a-guide-to-the-obd-ii-communication-protocol\/","title":{"rendered":"ISO 14230-4 (KWP2000): Sprievodca komunika\u010dn\u00fdm protokolom OBD-II"},"content":{"rendered":"

ISO 14230-4, zn\u00e1my aj ako KWP2000 (Keyword Protocol 2000), je komunika\u010dn\u00fd \u0161tandard OBD-II vyvinut\u00fd pre diagnostiku vozidiel. KWP2000 umo\u017e\u0148uje spo\u013eahliv\u00fa v\u00fdmenu d\u00e1t medzi elektronick\u00fdmi riadiacimi jednotkami (ECU) a diagnostick\u00fdmi n\u00e1strojmi pomocou s\u00e9riovej komunik\u00e1cie a \u201ek\u013e\u00fa\u010dov\u00fdch slov\u201c na inicializ\u00e1ciu prenosu d\u00e1t.<\/p>\n\n\n\n

Ako funguje ISO 14230-4 (KWP2000)?<\/strong><\/p>\n\n\n\n

KWP2000 vyu\u017e\u00edva s\u00e9riov\u00fa komunik\u00e1ciu prostredn\u00edctvom K-linky, pri\u010dom na nadviazanie spojenia medzi ECU a diagnostick\u00fdm n\u00e1strojom s\u00fa k dispoz\u00edcii met\u00f3dy FastInit a SlowInit. Prenosov\u00e1 r\u00fdchlos\u0165 m\u00f4\u017ee dosahova\u0165 a\u017e 10,4 kb\/s, \u010do umo\u017e\u0148uje \u010d\u00edtanie a mazanie chybov\u00fdch k\u00f3dov DTC, pr\u00edstup k \u017eiv\u00fdm d\u00e1tam a ovl\u00e1danie jednotliv\u00fdch modulov vozidla.<\/p>\n\n\n\n

OBD-II adapt\u00e9ry Launch, ktor\u00e9 podporuj\u00fa protokol:<\/strong><\/p>\n\n\n\n

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

Zariadenia ThinkDiag, ktor\u00e9 podporuj\u00fa protokol:<\/strong><\/p>\n\n\n\n

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

Zariadenia Ediag, ktor\u00e9 podporuj\u00fa 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 vozidiel a zna\u010dky podporovan\u00e9 protokolom:<\/strong><\/p>\n\n\n\n

Osobn\u00e9 vozidl\u00e1 eur\u00f3pskych a \u00e1zijsk\u00fdch v\u00fdrobcov, najm\u00e4 Volkswagen, BMW, Mercedes-Benz, Audi, Honda, Toyota, Nissan, Mazda; modely z rokov 1996\u20132007.<\/p>\n\n\n\n

V\u00fdhody ISO 14230-4 (KWP2000)<\/strong><\/p>\n\n\n\n

    \n
  • Spo\u013eahliv\u00e1 a \u0161tandardizovan\u00e1 komunik\u00e1cia pre diagnostiku OBD-II<\/li>\n\n\n\n
  • Podporuje pokro\u010dil\u00e9 diagnostick\u00e9 funkcie vr\u00e1tane \u010d\u00edtania senzorov v re\u00e1lnom \u010dase<\/li>\n\n\n\n
  • Flexibiln\u00fd pre r\u00f4zne typy vozidiel a elektronick\u00e9 moduly<\/li>\n\n\n\n
  • Kompatibiln\u00fd s r\u00f4znymi s\u00e9riov\u00fdmi diagnostick\u00fdmi n\u00e1strojmi<\/li>\n<\/ul>\n\n\n\n

    Nev\u00fdhody a obmedzenia<\/strong><\/p>\n\n\n\n

      \n
    • Ni\u017e\u0161ia prenosov\u00e1 r\u00fdchlos\u0165 v porovnan\u00ed s modern\u00fdmi protokolmi CAN<\/li>\n\n\n\n
    • Vy\u017eaduje dodato\u010dn\u00fa konfigur\u00e1ciu pre inicializ\u00e1ciu FastInit a SlowInit<\/li>\n\n\n\n
    • Postupne sa st\u00e1va zastaran\u00fdm, ke\u010f\u017ee nov\u0161ie vozidl\u00e1 prech\u00e1dzaj\u00fa na \u0161tandardy CAN a UDS<\/li>\n\n\n\n
    • Kompatibilita m\u00f4\u017ee by\u0165 obmedzen\u00e1 pri ve\u013emi nov\u00fdch modeloch vozidiel<\/li>\n<\/ul>\n\n\n\n

      Pou\u017eitie ISO 14230-4 (KWP2000)<\/strong><\/p>\n\n\n\n

      KWP2000 sa pou\u017e\u00edva na \u010d\u00edtanie a mazanie chybov\u00fdch k\u00f3dov DTC, kontrolu \u00fadajov zo senzorov, testovanie modulov a resetovanie syst\u00e9mov. Tento protokol je obzvl\u00e1\u0161\u0165 d\u00f4le\u017eit\u00fd pre star\u0161ie a stredne star\u00e9 vozidl\u00e1, ktor\u00e9 st\u00e1le vyu\u017e\u00edvaj\u00fa s\u00e9riov\u00fa komunik\u00e1ciu OBD-II.<\/p>\n\n\n\n

      Z\u00e1ver<\/strong><\/p>\n\n\n\n

      ISO 14230-4 (KWP2000) je k\u013e\u00fa\u010dov\u00fdm \u0161tandardom pre pochopenie s\u00e9riovej diagnostiky OBD-II. Hoci ho modern\u00e9 protokoly postupne nahr\u00e1dzaj\u00fa, znalos\u0165 KWP2000 zost\u00e1va nevyhnutn\u00e1 pre diagnostikov a technikov pracuj\u00facich s cel\u00fdm spektrom vozidiel, najm\u00e4 so star\u0161\u00edmi a stredne star\u00fdmi modelmi.<\/p>","protected":false},"excerpt":{"rendered":"

      ISO 14230-4, also known as KWP2000 (Keyword Protocol 2000), is an OBD-II communication standard developed for vehicle diagnostics. KWP2000 enables reliable data exchange between electronic control units (ECUs) and diagnostic tools, using serial communication and \u201ckeywords\u201d to initiate data transfer. How Does ISO 14230-4 (KWP2000) Work? KWP2000 uses serial communication over the K-line, with FastInit…<\/p>","protected":false},"author":1,"featured_media":3709,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"ISO14230-4 (KWP2000): a guide to OBD-II protocol","_seopress_titles_desc":"ISO 14230-4 (KWP2000) is a key standard for understanding serial OBD-II diagnostics. While modern protocols gradually replace it.","_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":291,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3707","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-14230-4-KWP2000.jpg",600,600,false],"author_info":{"display_name":"diagzone","author_link":"https:\/\/diagzone.org\/sk\/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\/sk\/wp-json\/wp\/v2\/posts\/3707","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/comments?post=3707"}],"version-history":[{"count":1,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/posts\/3707\/revisions"}],"predecessor-version":[{"id":3712,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/posts\/3707\/revisions\/3712"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/media\/3709"}],"wp:attachment":[{"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/media?parent=3707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/categories?post=3707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagzone.org\/sk\/wp-json\/wp\/v2\/tags?post=3707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}