{"id":7060,"date":"2020-05-09T16:23:02","date_gmt":"2020-05-09T20:23:02","guid":{"rendered":"https:\/\/techlinkfrench.mynetworkcontent.com\/?p=7060"},"modified":"2020-07-09T16:30:39","modified_gmt":"2020-07-09T20:30:39","slug":"performance-du-debitmetre-dair-massique","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=7060","title":{"rendered":"Performance du d\u00e9bitm\u00e8tre d&#8217;air massique"},"content":{"rendered":"<p class=\"western\"><span style=\"font-size: 12pt;\"> <span lang=\"fr-CA\">Sur certains mod\u00e8les Escalade, Silverado 1500, Silverado 2500\/3500, Tahoe, Suburban, Sierra 1500, Sierra 2500\/3500 et Yukon de 2019-2020, \u00e9quip\u00e9s du moteur 5.3L V8 (EFC L82, L83, L84), 6.2L V8 (EFC L86, L87) ou 6.6L V8 (EFC L8T), le t\u00e9moin MIL de v\u00e9rification du moteur peut \u00eatre allum\u00e9 et le code d&#8217;anomalie P1682 (circuit 2 du commutateur d&#8217;allumage 1) peut \u00eatre m\u00e9moris\u00e9. Les codes d&#8217;anomalie P0101 (performance du d\u00e9bitm\u00e8tre d&#8217;air massique), P0689 (basse tension sur le circuit de retour du relais d&#8217;allumage des commandes du moteur), P16A7 (circuit 2 de retour de relais d&#8217;allumage des commandes du moteur) ou P16BC (circuit 3 de retour du relais d&#8217;allumage des commandes du moteur) peuvent \u00e9galement \u00eatre m\u00e9moris\u00e9s. De plus, sur le v\u00e9hicule, le d\u00e9bitm\u00e8tre d&#8217;air massique (MAF) peut avoir \u00e9t\u00e9 remplac\u00e9 r\u00e9cemment \u00e0 cause du code d&#8217;anomalie P0101.<\/span><\/span><\/p>\n<p class=\"western\"><span style=\"font-size: 12pt;\"><span lang=\"fr-CA\">Si ces conditions se pr\u00e9sentent, un relais d&#8217;allumage peut \u00eatre d\u00e9fectueux ou un probl\u00e8me de borne peut se poser dans le bo\u00eetier \u00e0 fusibles du compartiment moteur. (fig.\u00a022)<\/span><\/span><\/p>\n<p class=\"western\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-13179\" src=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/05\/F22-MAF-1.png\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/05\/F22-MAF-1.png 740w, https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/05\/F22-MAF-1-300x195.png 300w, https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/05\/F22-MAF-1-85x55.png 85w, https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/05\/F22-MAF-1-200x130.png 200w\" alt=\"\" width=\"740\" height=\"480\" \/><b>Fig. 22<\/b><\/p>\n<p class=\"western\"><span style=\"font-size: 12pt;\"><span lang=\"fr-CA\">Avant de remplacer le d\u00e9bitm\u00e8tre d&#8217;air massique (MAF) pour le code d&#8217;anomalie P0101, examiner les circuits de relais d&#8217;allumage du bo\u00eetier \u00e0 fusibles du compartiment moteur. Remplacer le relais d&#8217;allumage du compartiment moteur si n\u00e9cessaire. <\/span><\/span><\/p>\n<p class=\"western\"><span style=\"font-size: 12pt;\"><span lang=\"fr-CA\">Diagnostiquer \u00e9galement tout code d&#8217;anomalie concern\u00e9 avant de remplacer le d\u00e9bitm\u00e8tre d&#8217;air massique (MAF). (fig.\u00a023) Se reporter \u00e0 l&#8217;information de service ad\u00e9quate pour le diagnostic de chaque code d&#8217;anomalie.<\/span><\/span><\/p>\n<p class=\"western\" style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-13180\" src=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/05\/F23-MAF-2.png\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/05\/F23-MAF-2.png 740w, https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/05\/F23-MAF-2-300x195.png 300w, https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/05\/F23-MAF-2-85x55.png 85w, https:\/\/techlink.mynetworkcontent.com\/wp-content\/uploads\/2020\/05\/F23-MAF-2-200x130.png 200w\" alt=\"\" width=\"740\" height=\"480\" \/><b>Fig. 23<\/b><\/p>\n<p class=\"western\"><span style=\"font-size: 12pt;\"><span lang=\"fr-CA\"><i>&#8211; Merci \u00e0 Richard Renshaw<\/i><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sur certains mod\u00e8les Escalade, Silverado 1500, Silverado 2500\/3500, Tahoe, Suburban, Sierra 1500, Sierra 2500\/3500 et Yukon de 2019-2020, \u00e9quip\u00e9s du moteur 5.3L V8 (EFC L82, L83, L84), 6.2L V8 (EFC [&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-7060","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/7060","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=7060"}],"version-history":[{"count":2,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/7060\/revisions"}],"predecessor-version":[{"id":7078,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/7060\/revisions\/7078"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7060"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}