{"id":53992,"date":"2017-11-09T09:04:02","date_gmt":"2017-11-09T14:04:02","guid":{"rendered":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=53992"},"modified":"2017-11-09T09:04:30","modified_gmt":"2017-11-09T14:04:30","slug":"2001-lexus-rx300-headlights-and-fog-lights","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/11\/2001-lexus-rx300-headlights-and-fog-lights","title":{"rendered":"2001 Lexus RX300 Headlights and fog-lights"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignnone size-full wp-image-37927\" src=\"\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2012\/04\/2000-lexus-rx300.jpg\" alt=\"Lexus RX300\" width=\"594\" height=\"369\" srcset=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2012\/04\/2000-lexus-rx300.jpg 594w, https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2012\/04\/2000-lexus-rx300-300x186.jpg 300w\" sizes=\"(max-width: 594px) 100vw, 594px\" \/><\/p>\n<p>Headlights and fog-lights are inoperable.<\/p>\n<hr \/>\n<p>The headlights and fog-lights are controlled by the combination switch. This switch signals the the Body ECU to activate the headlamp relay. The headlamp relay receives its battery power from a 50amp &#8220;<strong>Main Fuse<\/strong>&#8221; that is hot at all times. The fog-lights and headlights have separate relays along with DRL relays. I wouldn&#8217;t think all the relays went out at the same time. I would rather suspect the switch, the fuse or the ECU. You may use the provided <a href=\"\/\/www.freeautomechanic.com\/wiringdiagrams.html\">wiring diagrams<\/a> to help better understand the circuit.<\/p>\n<h4>Headlight Wiring Diagram (1 of 2) 2001 Lexus RX300<\/h4>\n<p>(best viewed in Google Chrome or Firefox)<br \/>\n\n\t\t<div id=\"wppdfemb-frame-container-0\" style=\"-webkit-overflow-scrolling:auto;\">\n\t\t\t<iframe src=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/?index=1&#038;pdfID=0&#038;pdfemb-serveurl=%2F%2Fwww.freeautomechanic.com%2Fmechanic%2Fforum%2Fwp-content%2Fuploads%2Fsecurepdfs%2F2017%2F11%2F2001-lexus-rx300-headlights-headlamps-circuit-1-of-2.pdf\"\n\t\t\t\tid=\"wppdf-emb-iframe-0\"\n\t\t\t\tdata-pdf-index=\"1\"\n\t\t\t\tclass=\"pdfembed-iframe nonfullscreen\"\n\t\t\t\tstyle=\"border:none;width:100%;max-width:500px;min-height:500px\"\n\t\t\t\tscrolling=\"yes\">\n\t\t\t<\/iframe>\n\t\t<\/div>\n\n\t\t<\/p>\n<h4>Headlight Wiring Diagram (2 of 2) 2001 Lexus RX300<\/h4>\n\n\t\t<div id=\"wppdfemb-frame-container-0\" style=\"-webkit-overflow-scrolling:auto;\">\n\t\t\t<iframe src=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/?index=2&#038;pdfID=0&#038;pdfemb-serveurl=%2F%2Fwww.freeautomechanic.com%2Fmechanic%2Fforum%2Fwp-content%2Fuploads%2Fsecurepdfs%2F2017%2F11%2F2001-lexus-rx300-headlights-headlamps-circuit-2-of-2.pdf\"\n\t\t\t\tid=\"wppdf-emb-iframe-0\"\n\t\t\t\tdata-pdf-index=\"2\"\n\t\t\t\tclass=\"pdfembed-iframe nonfullscreen\"\n\t\t\t\tstyle=\"border:none;width:100%;max-width:500px;min-height:500px\"\n\t\t\t\tscrolling=\"yes\">\n\t\t\t<\/iframe>\n\t\t<\/div>\n\n\t\t\n","protected":false},"excerpt":{"rendered":"<p>Headlights and fog-lights are inoperable. The headlights and fog-lights are controlled by the combination switch. This switch signals the the Body ECU to activate the headlamp relay. The headlamp relay receives its battery power from a 50amp &#8220;Main Fuse&#8221; that is hot at all times. The fog-lights and headlights have separate relays along with DRL&hellip;&nbsp;<a href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/11\/2001-lexus-rx300-headlights-and-fog-lights\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">2001 Lexus RX300 Headlights and fog-lights<\/span><\/a><\/p>\n","protected":false},"author":14805,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[1,318],"tags":[11504,351,471],"class_list":["post-53992","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-lexus-auto-repair-questions","tag-fog-lights","tag-headlights","tag-rx300"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>2001 Lexus RX300 Headlights and fog-lights - FreeAutoMechanic Advice<\/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.freeautomechanic.com\/mechanic\/forum\/2017\/11\/2001-lexus-rx300-headlights-and-fog-lights\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2001 Lexus RX300 Headlights and fog-lights\" \/>\n<meta property=\"og:description\" content=\"Headlights and fog-lights are inoperable. The headlights and fog-lights are controlled by the combination switch. This switch signals the the Body ECU to activate the headlamp relay. The headlamp relay receives its battery power from a 50amp &#8220;Main Fuse&#8221; that is hot at all times. 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The headlights and fog-lights are controlled by the combination switch. This switch signals the the Body ECU to activate the headlamp relay. The headlamp relay receives its battery power from a 50amp &#8220;Main Fuse&#8221; that is hot at all times. The fog-lights and headlights have separate relays along with DRL&hellip;&nbsp;Read More &raquo;2001 Lexus RX300 Headlights and fog-lights","og_url":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/11\/2001-lexus-rx300-headlights-and-fog-lights","og_site_name":"FreeAutoMechanic Advice","article_publisher":"https:\/\/www.facebook.com\/freeautomechanic","article_published_time":"2017-11-09T14:04:02+00:00","article_modified_time":"2017-11-09T14:04:30+00:00","og_image":[{"url":"\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2012\/04\/2000-lexus-rx300.jpg","type":"","width":"","height":""}],"author":"Dale Hedge","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Dale Hedge","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/11\/2001-lexus-rx300-headlights-and-fog-lights#article","isPartOf":{"@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/11\/2001-lexus-rx300-headlights-and-fog-lights"},"author":{"name":"Dale Hedge","@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/#\/schema\/person\/4db226fda5f6b4dafc672e1dc942eb1a"},"headline":"2001 Lexus RX300 Headlights and fog-lights","datePublished":"2017-11-09T14:04:02+00:00","dateModified":"2017-11-09T14:04:30+00:00","mainEntityOfPage":{"@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/11\/2001-lexus-rx300-headlights-and-fog-lights"},"wordCount":145,"commentCount":0,"publisher":{"@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/#organization"},"keywords":["fog lights","Headlights","RX300"],"articleSection":["Auto Repair Questions","Lexus"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/11\/2001-lexus-rx300-headlights-and-fog-lights#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/11\/2001-lexus-rx300-headlights-and-fog-lights","url":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/11\/2001-lexus-rx300-headlights-and-fog-lights","name":"2001 Lexus RX300 Headlights and fog-lights - 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