{"id":7504,"date":"2021-05-23T12:46:14","date_gmt":"2021-05-23T16:46:14","guid":{"rendered":"https:\/\/techlinkfrench.mynetworkcontent.com\/?p=7504"},"modified":"2021-06-23T14:22:18","modified_gmt":"2021-06-23T18:22:18","slug":"message-de-surchauffe-du-moteur","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=7504","title":{"rendered":"Message de surchauffe du moteur"},"content":{"rendered":"<p>Certains mod\u00e8les XT4, XT5, Blazer, Acadia 2019-2021; CT4 et CT5 2020-2021 \u00e9quip\u00e9s du moteur 4 cylindres de 2,0 L (RPO LSY) peuvent pr\u00e9senter un probl\u00e8me de surchauffe du moteur, accompagn\u00e9 du message Temp\u00e9rature du moteur trop \u00e9lev\u00e9e affich\u00e9 sur le centralisateur informatique de bord (DIC). Ce probl\u00e8me peut \u00eatre caus\u00e9 par l&#8217;impr\u00e9cision de la sonde no 1 de temp\u00e9rature de liquide de refroidissement (ECT) (fig. 19).<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14761\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/05\/F19-engine-temp-1.png\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/05\/F19-engine-temp-1.png 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/05\/F19-engine-temp-1-300x195.png 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/05\/F19-engine-temp-1-85x55.png 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/05\/F19-engine-temp-1-200x130.png 200w\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 19<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Utiliser GDS2 pour confirmer la pr\u00e9cision de la sonde ECT no 1 en comparant les lectures des sondes ECT 2, 3, 4, 5 et 6 \u00e0 la lecture de la sonde no 1. Pour v\u00e9rifier les sondes, laisser le moteur refroidir pendant plusieurs heures, puis examiner les relev\u00e9s des six sondes ECT (contact mis, moteur arr\u00eat\u00e9) au moyen de GDS2. V\u00e9rifier que les sondes affichent des valeurs \u00e0 quelques degr\u00e9s les unes des autres. Les valeurs de sonde ECT peuvent \u00eatre compar\u00e9es \u00e0 celles d&#8217;un v\u00e9hicule soumis \u00e0 un essai similaire et dot\u00e9 de la m\u00eame option RPO de moteur.<\/p>\n<p>De plus, la r\u00e9sistance de la sonde ECT no 1 peut \u00eatre mesur\u00e9e et compar\u00e9e avec les donn\u00e9es du dernier tableau Temp\u00e9rature vs R\u00e9sistance dans les renseignements techniques appropri\u00e9s.<\/p>\n<p>Les donn\u00e9es ont d\u00e9montr\u00e9 qu&#8217;une sonde ECT no 1 dont la lecture est de plusieurs degr\u00e9s plus froide que celles des sondes ECT 2, 3, 4, 5 et 6 pourrait causer l&#8217;affichage d&#8217;un message Temp\u00e9rature du moteur trop \u00e9lev\u00e9e sur le centralisateur informatique de bord, de m\u00eame que l&#8217;augmentation de la temp\u00e9rature du liquide de refroidissement du moteur \u00e0 des niveaux \u00e9lev\u00e9s.<\/p>\n<p>Si la sonde no 1 de temp\u00e9rature de liquide de refroidissement fonctionne correctement, poursuivre le diagnostic conform\u00e9ment aux renseignements techniques.<\/p>\n<p>Pour plus de renseignements, se reporter au document PIP5804.<\/p>\n<p>&nbsp;<\/p>\n<p><em>&#8211; Merci \u00e0 Robert Halas<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Certains mod\u00e8les XT4, XT5, Blazer, Acadia 2019-2021; CT4 et CT5 2020-2021 \u00e9quip\u00e9s du moteur 4 cylindres de 2,0 L (RPO LSY) peuvent pr\u00e9senter un probl\u00e8me de surchauffe du moteur, accompagn\u00e9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-7504","post","type-post","status-publish","format-standard","hentry","category-2021-may"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/7504","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7504"}],"version-history":[{"count":3,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/7504\/revisions"}],"predecessor-version":[{"id":7543,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/7504\/revisions\/7543"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7504"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7504"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}