{"id":10000,"date":"2022-01-26T01:14:25","date_gmt":"2022-01-26T01:14:25","guid":{"rendered":"https:\/\/www.cybermedian.com\/fr\/?p=10000"},"modified":"2026-04-20T09:13:26","modified_gmt":"2026-04-20T09:13:26","slug":"un-guide-complet-de-lanalyse-des-5-pourquoi","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/fr\/a-comprehensive-guide-to-5-why-analysis\/","title":{"rendered":"Un guide complet de l&#8217;analyse des 5 pourquoi"},"content":{"rendered":"<p id=\"f9f5\" class=\"graf graf--p graf-after--h3\">Pour chaque effet il y a une cause.\u00a0Les \u00ab\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/tw\/knowledge\/root-cause-analysis\/why-is-five-whys\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/tw\/knowledge\/root-cause-analysis\/why-is-five-whys\/\">5 pourquoi<\/a>\u00a0\u00bb est une technique utilis\u00e9e \u00e0 l&#8217;origine par Toyota Motor Corporation pour explorer les relations de cause \u00e0 effet.\u00a0Il s&#8217;agit d&#8217;une technique d&#8217;interrogation it\u00e9rative utilis\u00e9e pour explorer les relations de cause \u00e0 effet sous-jacentes \u00e0 un probl\u00e8me particulier.<\/p>\n<figure id=\"4cc4\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/02\/1KEaoCScv0VhfrhzpYo2jiw.png\" data-image-id=\"1*KEaoCScv0VhfrhzpYo2jiw.png\" data-width=\"454\" data-height=\"618\" data-is-featured=\"true\" \/><\/figure>\n<p id=\"fc5e\" class=\"graf graf--p graf-after--figure\">L&#8217;objectif principal de la technique est de d\u00e9terminer la\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/en.wikipedia.org\/wiki\/Root_cause_analysis\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/en.wikipedia.org\/wiki\/Root_cause_analysis\">cause profonde<\/a>\u00a0\u00a0d&#8217;un d\u00e9faut ou d&#8217;un probl\u00e8me en r\u00e9p\u00e9tant la question \u00ab\u00a0Pourquoi\u00a0?\u00a0\u00bb.\u00a0Chaque r\u00e9ponse constitue la base de la question suivante.\u00a0Le \u00ab\u00a0cinq\u00a0\u00bb dans le nom provient d&#8217;une observation anecdotique sur le nombre d&#8217;it\u00e9rations n\u00e9cessaires pour r\u00e9soudre le probl\u00e8me.<\/p>\n<ul class=\"postList\">\n<li id=\"0684\" class=\"graf graf--li graf--startsWithDoubleQuote graf-after--p\"><em class=\"markup--em markup--li-em\">&#8220;La base de l&#8217;approche scientifique de Toyota est de demander pourquoi cinq fois chaque fois que nous trouvons un probl\u00e8me&#8221;<\/em><\/li>\n<li id=\"2c11\" class=\"graf graf--li graf--startsWithDoubleQuote graf-after--li\"><em class=\"markup--em markup--li-em\">\u00ab En r\u00e9p\u00e9tant pourquoi cinq fois, la nature du probl\u00e8me ainsi que sa solution deviennent claires. \u00bb par Taiichi Ohno<\/em><\/li>\n<\/ul>\n<h4 id=\"f433\" class=\"graf graf--h4 graf-after--li\"><span id=\"5_Whys_Example_The_Vehicle_will_not_Start\">Exemple de 5\u00a0pourquoi\u00a0: le v\u00e9hicule ne d\u00e9marre pas<\/span><\/h4>\n<ol class=\"postList\">\n<li id=\"52c3\" class=\"graf graf--li graf-after--h4\">Pourquoi?\u00a0&#8211; La batterie est morte<\/li>\n<li id=\"3058\" class=\"graf graf--li graf-after--li\">Pourquoi?\u00a0\u2014 L&#8217;alternateur ne fonctionne pas<\/li>\n<li id=\"14fa\" class=\"graf graf--li graf-after--li\">Pourquoi?\u00a0\u2014 La courroie de l&#8217;alternateur s&#8217;est cass\u00e9e<\/li>\n<li id=\"522a\" class=\"graf graf--li graf-after--li\">Pourquoi?\u00a0\u2014 La courroie de l&#8217;alternateur \u00e9tait bien au-del\u00e0 de sa dur\u00e9e de vie utile et n&#8217;a pas \u00e9t\u00e9 remplac\u00e9e<\/li>\n<li id=\"2ee3\" class=\"graf graf--li graf-after--li\">Pourquoi?\u00a0\u2014 Le v\u00e9hicule n&#8217;a pas \u00e9t\u00e9 entretenu selon le calendrier d&#8217;entretien recommand\u00e9<\/li>\n<\/ol>\n<p id=\"d387\" class=\"graf graf--p graf-after--li\">Pr\u00e9senter 5\u00a0pourquoi \u00e0 l&#8217;aide d&#8217;un mod\u00e8le d&#8217;infographie<\/p>\n<figure id=\"b8b5\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/02\/1iBPtNN6ZQtxj4YsU7qFwfw.png\" data-image-id=\"1*iBPtNN6ZQtxj4YsU7qFwfw.png\" data-width=\"659\" data-height=\"416\" \/><figcaption class=\"imageCaption\"><strong class=\"markup--strong markup--figure-strong\">Pourquoi\u00a0Exemple\u00a0\u2013 Pris pour un exc\u00e8s de vitesse<\/strong><\/figcaption><\/figure>\n<p id=\"3ee2\" class=\"graf graf--p graf-after--figure\"><strong class=\"markup--strong markup--p-strong\">J&#8217;ai \u00e9t\u00e9 pris en exc\u00e8s de vitesse.<\/strong><\/p>\n<p id=\"18b1\" class=\"graf graf--p graf-after--p\">1. Pourquoi ai-je \u00e9t\u00e9 surpris en exc\u00e8s de vitesse\u00a0?<\/p>\n<ul class=\"postList\">\n<li id=\"ecae\" class=\"graf graf--li graf-after--p\"><em class=\"markup--em markup--li-em\">Parce que j&#8217;\u00e9tais en retard au travail.<\/em><\/li>\n<\/ul>\n<p id=\"8ff4\" class=\"graf graf--p graf-after--li\">2. Pourquoi \u00e9tais-je en retard au travail ?<\/p>\n<ul class=\"postList\">\n<li id=\"12cb\" class=\"graf graf--li graf-after--p\"><em class=\"markup--em markup--li-em\">Parce que je me suis r\u00e9veill\u00e9 tard.<\/em><\/li>\n<\/ul>\n<p id=\"6527\" class=\"graf graf--p graf-after--li\">3. Pourquoi me suis-je r\u00e9veill\u00e9 en retard ?<\/p>\n<ul class=\"postList\">\n<li id=\"b040\" class=\"graf graf--li graf-after--p\"><em class=\"markup--em markup--li-em\">Parce que mon r\u00e9veil n&#8217;a pas fonctionn\u00e9.<\/em><\/li>\n<\/ul>\n<p id=\"0b84\" class=\"graf graf--p graf-after--li\">4. Pourquoi mon r\u00e9veil ne fonctionnait-il pas ?<\/p>\n<ul class=\"postList\">\n<li id=\"3891\" class=\"graf graf--li graf-after--p\"><em class=\"markup--em markup--li-em\">Parce que les batteries \u00e9taient mortes.<\/em><\/li>\n<\/ul>\n<p id=\"86d3\" class=\"graf graf--p graf-after--li\">5. Pourquoi les piles \u00e9taient-elles mortes ?<\/p>\n<ul class=\"postList\">\n<li id=\"b821\" class=\"graf graf--li graf-after--p\">Oubliez de le remplacer.<\/li>\n<\/ul>\n<h4 id=\"56b9\" class=\"graf graf--h4 graf-after--li\"><span id=\"Other_5_Whys_Online_Templates\">Autres mod\u00e8les en ligne des 5\u00a0pourquoi<\/span><\/h4>\n<figure id=\"43b9\" class=\"graf graf--figure graf-after--h4\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/02\/1kwno9l_xuyIeumBvmv1Uaw.png\" data-image-id=\"1*kwno9l_xuyIeumBvmv1Uaw.png\" data-width=\"627\" data-height=\"621\" \/><\/figure>\n<p id=\"4bc5\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=5Whys&amp;gallery=\/repository\/db49c22c-35cf-469e-9b47-41209bdcac88.xml&amp;name=5%20Whys%20Funnel\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=5Whys&amp;gallery=\/repository\/db49c22c-35cf-469e-9b47-41209bdcac88.xml&amp;name=5%20Whys%20Funnel\">Modifier le mod\u00e8le des 5 pourquoi ci-dessus en ligne<\/a><\/p>\n<figure id=\"b6ee\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/02\/1Uic55GixvqIEXwhqPjMbWg.png\" data-image-id=\"1*Uic55GixvqIEXwhqPjMbWg.png\" data-width=\"965\" data-height=\"571\" \/><\/figure>\n<p id=\"d721\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=5Whys&amp;gallery=\/repository\/112571ef-832f-4e96-8cd6-7f31738c148a.xml&amp;name=5%20Whys%20Template%20%28With%20Confirmation%29\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=5Whys&amp;gallery=\/repository\/112571ef-832f-4e96-8cd6-7f31738c148a.xml&amp;name=5%20Whys%20Template%20(With%20Confirmation)\">Modifier le mod\u00e8le des 5 pourquoi ci-dessus en ligne<\/a><\/p>\n<figure id=\"7e98\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/02\/1XYrKlmtWz8tdX3dJWeu0BQ.png\" data-image-id=\"1*XYrKlmtWz8tdX3dJWeu0BQ.png\" data-width=\"529\" data-height=\"661\" \/><\/figure>\n<p id=\"5b86\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=5Whys&amp;gallery=\/repository\/3cc0cca1-38b7-4efc-b3ba-2e017c7dadb2.xml&amp;name=5%20Whys%20Template\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=5Whys&amp;gallery=\/repository\/3cc0cca1-38b7-4efc-b3ba-2e017c7dadb2.xml&amp;name=5%20Whys%20Template\">Modifier le mod\u00e8le des 5 pourquoi ci-dessus en ligne<\/a><\/p>\n<h4 id=\"c30b\" class=\"graf graf--h4 graf-after--p\"><span id=\"Creating_5_Whys_Analysis_Using_Online_Spreadsheet\">Cr\u00e9ation d&#8217;une analyse des 5 pourquoi \u00e0 l&#8217;aide d&#8217;une feuille de calcul en ligne<\/span><\/h4>\n<figure id=\"22b6\" class=\"graf graf--figure graf-after--h4\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/02\/12oEv999tu2GO7nAQhuLjpA.png\" data-image-id=\"1*2oEv999tu2GO7nAQhuLjpA.png\" data-width=\"1436\" data-height=\"808\" \/><figcaption class=\"imageCaption\">Comment cr\u00e9er une analyse des 5 pourquoi \u00e0 l&#8217;aide de la feuille en ligne gratuite<\/figcaption><\/figure>\n<h4 id=\"1fb3\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Related_Cause_and_Effect_Analysis_Articles\">Articles connexes sur l&#8217;analyse des causes et des effets<\/span><\/h4>\n<ul class=\"postList\">\n<li id=\"cf11\" class=\"graf graf--li graf-after--h4\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/project-management\/fishbone-diagram-and-5-whys\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/project-management\/fishbone-diagram-and-5-whys\/\"><span class=\"goog-text-highlight\">Analyse de cause \u00e0 effet\u00a0: utilisation du diagramme en ar\u00eate de poisson<\/span><\/a><\/li>\n<li id=\"a2a0\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/tw\/tutorials\/how-to-use\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/tw\/tutorials\/how-to-use\">Comment utiliser le diagramme en arbre des 5\u00a0pourquoi pour l&#8217;analyse des causes profondes\u00a0?<\/a><\/li>\n<li id=\"afdd\" class=\"graf graf--li graf-after--li graf--trailing\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/knowledge\/problem-solving\/why-why-diagram-for-root-cause-analysis\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/knowledge\/problem-solving\/why-why-diagram-for-root-cause-analysis\/\">Analyse des causes profondes \u00e0 l&#8217;aide du diagramme pourquoi-pourquoi<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Les 5 Pourquoi est un outil simple utilis\u00e9 pour vous aider \u00e0 comprendre la cause d&#8217;un probl\u00e8me en utilisant une technique d&#8217;interrogation it\u00e9rative pour explorer la cause profonde qui sous-tend un probl\u00e8me particulier. Comme son nom l&#8217;indique, la m\u00e9thode des 5 pourquoi consiste \u00e0 poser cinq fois la question &#8220;Pourquoi&#8221; pour passer d&#8217;un sympt\u00f4me \u00e0 un autre jusqu&#8217;\u00e0 ce que vous atteigniez la cause profonde (parfois, demander &#8220;Pourquoi ?&#8221; cinq fois est trop, et parfois vous devez le demander plus de cinq fois).<\/p>\n","protected":false},"author":5,"featured_media":10002,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[10,14,15],"tags":[],"class_list":["post-10000","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-brainstorming","category-infographics","category-strategic-planning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Un guide complet de l&#039;analyse des 5 pourquoi - Cyberm\u00e9diane<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cybermedian.com\/fr\/a-comprehensive-guide-to-5-why-analysis\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un guide complet de l&#039;analyse des 5 pourquoi - Cyberm\u00e9diane\" \/>\n<meta property=\"og:description\" content=\"Les 5 Pourquoi est un outil simple utilis\u00e9 pour vous aider \u00e0 comprendre la cause d&#039;un probl\u00e8me en utilisant une technique d&#039;interrogation it\u00e9rative pour explorer la cause profonde qui sous-tend un probl\u00e8me particulier. Comme son nom l&#039;indique, la m\u00e9thode des 5 pourquoi consiste \u00e0 poser cinq fois la question &quot;Pourquoi&quot; pour passer d&#039;un sympt\u00f4me \u00e0 un autre jusqu&#039;\u00e0 ce que vous atteigniez la cause profonde (parfois, demander &quot;Pourquoi ?&quot; cinq fois est trop, et parfois vous devez le demander plus de cinq fois).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cybermedian.com\/fr\/a-comprehensive-guide-to-5-why-analysis\/\" \/>\n<meta property=\"og:site_name\" content=\"Cyberm\u00e9diane\" \/>\n<meta property=\"article:published_time\" content=\"2022-01-26T01:14:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-20T09:13:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/online.visual-paradigm.com\/servlet\/editor-content\/knowledge\/root-cause-analysis\/why-is-five-whys\/sites\/7\/2019\/08\/5-whys-example-car-wont-start.png\" \/>\n<meta name=\"author\" content=\"vpwing\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/online.visual-paradigm.com\/servlet\/editor-content\/knowledge\/root-cause-analysis\/why-is-five-whys\/sites\/7\/2019\/08\/5-whys-example-car-wont-start.png\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"vpwing\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.cybermedian.com\/fr\/a-comprehensive-guide-to-5-why-analysis\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.cybermedian.com\/fr\/a-comprehensive-guide-to-5-why-analysis\/\"},\"author\":{\"name\":\"vpwing\",\"@id\":\"https:\/\/www.cybermedian.com\/fr\/#\/schema\/person\/0a4c6bba97e67c6ffa054e995781bc34\"},\"headline\":\"Un guide complet de l&#8217;analyse des 5 pourquoi\",\"datePublished\":\"2022-01-26T01:14:25+00:00\",\"dateModified\":\"2026-04-20T09:13:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.cybermedian.com\/fr\/a-comprehensive-guide-to-5-why-analysis\/\"},\"wordCount\":444,\"commentCount\":2,\"image\":{\"@id\":\"https:\/\/www.cybermedian.com\/fr\/a-comprehensive-guide-to-5-why-analysis\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/online.visual-paradigm.com\/servlet\/editor-content\/knowledge\/root-cause-analysis\/why-is-five-whys\/sites\/7\/2019\/08\/5-whys-example-car-wont-start.png\",\"articleSection\":[\"Brainstorming\",\"Infographics\",\"Strategic Planning\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.cybermedian.com\/fr\/a-comprehensive-guide-to-5-why-analysis\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.cybermedian.com\/fr\/a-comprehensive-guide-to-5-why-analysis\/\",\"url\":\"https:\/\/www.cybermedian.com\/fr\/a-comprehensive-guide-to-5-why-analysis\/\",\"name\":\"Un guide complet de l'analyse des 5 pourquoi - 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