{"id":6319,"date":"2018-11-15T21:57:38","date_gmt":"2018-11-15T21:57:38","guid":{"rendered":"https:\/\/techlinkfrench.mynetworkcontent.com\/?p=6319"},"modified":"2019-01-15T22:07:06","modified_gmt":"2019-01-15T22:07:06","slug":"battement-ou-grondement-du-systeme-de-suppression-du-bruit-actif","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=6319","title":{"rendered":"Battement ou grondement du syst\u00e8me de suppression du bruit actif"},"content":{"rendered":"<p>La fonction de filtration du module de suppression de bruit actif (ANC) pourrait ne pas fonctionner correctement ou le microphone ANC pourrait ne pas \u00eatre bien ins\u00e9r\u00e9 dans la garniture de toit sur certains mod\u00e8les Malibu 2016-2018. Par cons\u00e9quent, on peut entendre un fort battement, grondement ou phasage produit par le syst\u00e8me d&#8217;infodivertissement \u00e0 bas r\u00e9gime moteur ou \u00e0 haut r\u00e9gime moteur.<\/p>\n<p>Si on remarque un battement, un grondement ou un phasage, v\u00e9rifier le microphone ANC pour d\u00e9celer ce qui suit :<\/p>\n<ul>\n<li>Une r\u00e9sistance de microphone entre 105k et 110k ohms<\/li>\n<li>Le microphone est mont\u00e9 de mani\u00e8re \u00e0 affleurer la garniture de toit. Le microphone montr\u00e9 ci-dessous n&#8217;affleure pas la garniture de toit (Fig. 3).<\/li>\n<li>Le microphone est centr\u00e9 dans l&#8217;ouverture de la garniture de toit (Fig. 4).<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4425\" src=\"https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F03-anc-mic-2.jpg\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F03-anc-mic-2.jpg 740w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F03-anc-mic-2-300x195.jpg 300w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F03-anc-mic-2-85x55.jpg 85w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F03-anc-mic-2-200x130.jpg 200w\" alt=\"\" width=\"740\" height=\"481\" \/><strong>Fig. 3<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4426\" src=\"https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F04-anc-mic-1.jpg\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F04-anc-mic-1.jpg 740w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F04-anc-mic-1-300x195.jpg 300w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F04-anc-mic-1-85x55.jpg 85w, https:\/\/techlinkspanish.mynetworkcontent.com\/wp-content\/uploads\/2019\/01\/F04-anc-mic-1-200x130.jpg 200w\" alt=\"\" width=\"740\" height=\"481\" \/><strong>Fig. 4<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Apr\u00e8s avoir corrig\u00e9 la position du microphone ANC, au besoin, v\u00e9rifier si le son est toujours pr\u00e9sent en conduisant le v\u00e9hicule \u00e0 basse vitesse\/bas r\u00e9gime moteur \u00e0 environ 24-32 km\/h (15-20 mi\/h) ou 1100-1200 tr\/min, et \u00e0 haute vitesse\/haut r\u00e9gime \u00e0 environ 97-113 km\/h (60-70 mi\/h) ou 1900-2000 tr\/min.<\/p>\n<p>Si le battement\/grondement est confirm\u00e9 \u00e0 haute vitesse\/haut r\u00e9gime, remplacer le module ANC.<\/p>\n<p>Si le battement\/grondement est confirm\u00e9 \u00e0 basse vitesse\/bas r\u00e9gime, d\u00e9brancher le connecteur X3 du module ANC. Conduire le v\u00e9hicule de nouveau \u00e0 basse vitesse\/bas r\u00e9gime. Si le son est \u00e9limin\u00e9, laisser le connecteur X3 d\u00e9branch\u00e9 et le fixer pour \u00e9viter les bruits de cognement.<\/p>\n<p>Si le d\u00e9branchement du connecteur X3 n&#8217;a pas \u00e9limin\u00e9 le son, se reporter \u00e0 Sympt\u00f4mes \u2013 Divertissement dans les renseignements techniques appropri\u00e9s pour consulter des informations de diagnostic suppl\u00e9mentaires.<\/p>\n<p>Pour obtenir de plus amples renseignements et les num\u00e9ros de pi\u00e8ce, se reporter au bulletin n\u00b0 18-NA-255.<\/p>\n<p>&nbsp;<\/p>\n<p><em>&#8211; Merci \u00e0 Calvin Kohring<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La fonction de filtration du module de suppression de bruit actif (ANC) pourrait ne pas fonctionner correctement ou le microphone ANC pourrait ne pas \u00eatre bien ins\u00e9r\u00e9 dans la garniture [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6319","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/6319","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=6319"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/6319\/revisions"}],"predecessor-version":[{"id":6320,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/6319\/revisions\/6320"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6319"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6319"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}