{"id":5536,"date":"2021-04-28T19:26:01","date_gmt":"2021-04-28T19:26:01","guid":{"rendered":"https:\/\/techlinkspanish.mynetworkcontent.com\/?p=5536"},"modified":"2021-05-28T19:37:57","modified_gmt":"2021-05-28T19:37:57","slug":"desempeno-de-sensor-de-flujo-de-aire-masivo-2","status":"publish","type":"post","link":"https:\/\/gm-techlinkspanish.com\/?p=5536","title":{"rendered":"Desempe\u00f1o de sensor de flujo de aire masivo"},"content":{"rendered":"<p>Algunos modelos Silverado y Sierra 2019-2021 equipados con el motor V8 5.3L (RPO L82, L84) o el motor V8 6.2L (RPO L87) pueden tener un indicador de falla (MIL) Check Engine (Revise el motor) y el DTC P1682 (Circuito 2 de interruptor de ignici\u00f3n 1) iluminados en el M\u00f3dulo de control del motor (ECM) como un c\u00f3digo activo o hist\u00f3rico. DTC P0101 (Desempe\u00f1o de sensor MAF), P0689 (Bajo voltaje de circuito de retroalimentaci\u00f3n de relevador del arranque de los controles del motor). Tambi\u00e9n se puede establecer el P16A7 (Circuito de retroalimentaci\u00f3n del relevador del arranque de los controles del motor 2) o P16BC (Circuito de retroalimentaci\u00f3n del relevador del arranque de los controles del motor 3). Adem\u00e1s, se pudo haber reemplazado anteriormente el sensor de flujo de aire masivo (MAF) del veh\u00edculo debido al DTC P0101. Estas condiciones pueden ser causadas por una conexi\u00f3n comprometida dentro del conector X3 del Centro el\u00e9ctrico de bus debajo del cofre (UBEC) en la posici\u00f3n H6, lo que puede dar como resultado que los DTC P1682 y P0101 se establezcan juntos.<\/p>\n<p>No reemplace el sensor MAF si se establecen estos DTC. Revise las conexiones de cable a terminal dentro del conector X3 en el ensamble UBEC respecto a se\u00f1ales de una conexi\u00f3n marginal o cables sueltos, especialmente el engarzado doble en la ubicaci\u00f3n X3-H6. (Fig. 6)<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14620\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F06-MAF-1.png\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F06-MAF-1.png 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F06-MAF-1-300x195.png 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F06-MAF-1-85x55.png 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F06-MAF-1-200x130.png 200w\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 6<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Si el cable de engarce doble tiene una mala conexi\u00f3n (Fig. 7), repare el cable. Consulte Reparaci\u00f3n de terminales de conector en la Informaci\u00f3n de servicio correspondiente.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14621\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F07-MAF-2.png\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F07-MAF-2.png 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F07-MAF-2-300x195.png 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F07-MAF-2-85x55.png 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F07-MAF-2-200x130.png 200w\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 7<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Si el cable de engarce doble no muestra se\u00f1ales de una mala conexi\u00f3n (Fig. 8) o si no se encuentran problemas con las conexiones de cable a terminal, contin\u00fae diagnosticando los DTC antes de reemplazar el sensor MAF.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14622\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F08-MAF-3.png\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F08-MAF-3.png 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F08-MAF-3-300x195.png 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F08-MAF-3-85x55.png 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2021\/04\/F08-MAF-3-200x130.png 200w\" alt=\"\" width=\"740\" height=\"481\" \/><strong>Fig. 8<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Para informaci\u00f3n adicional, consulte el bolet\u00edn #21-NA-032.<\/p>\n<p>&nbsp;<\/p>\n<p><em>&#8211; Gracias a Dave MacGillis<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Algunos modelos Silverado y Sierra 2019-2021 equipados con el motor V8 5.3L (RPO L82, L84) o el motor V8 6.2L (RPO L87) pueden tener un indicador de falla (MIL) Check [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"class_list":["post-5536","post","type-post","status-publish","format-standard","hentry","category-2021-april"],"_links":{"self":[{"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=\/wp\/v2\/posts\/5536","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5536"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=\/wp\/v2\/posts\/5536\/revisions"}],"predecessor-version":[{"id":5537,"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=\/wp\/v2\/posts\/5536\/revisions\/5537"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkspanish.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}