{"id":8378,"date":"2017-06-11T23:56:42","date_gmt":"2017-06-11T23:56:42","guid":{"rendered":"http:\/\/mazdaman.x10host.com\/sh13086\/"},"modified":"2017-06-11T23:56:42","modified_gmt":"2017-06-11T23:56:42","slug":"sh13086","status":"publish","type":"page","link":"https:\/\/chroot-me.in\/16ND\/sh13086\/","title":{"rendered":"AIR FUEL RATIO (A\/F) SENSOR [SKYACTIV-G 2.0]"},"content":{"rendered":"<div class=\"node node SERVICE_HIGHLIGHTS\">\n    <\/p>\n<div class=\"textleft\">\n<div class=\"attr CONTENT c1\">\n<div class=\"content\">\n          <link rel=\"stylesheet\" type=\"text\/css\" href=\"style.css\" media=\"screen\"><a class=\"prevPage\" href=\"SH13085\">&lt; Previous<\/a> <a class=\"nextPage\" href=\"SH13087\">Next &gt;<\/a><\/p>\n<h2>2016 &#8211; MX-5 &#8211; Engine<\/h2>\n<p><a name=\"id0140f4004800\" id=\"id0140f4004800\"><\/a><\/p>\n<h3>AIR FUEL RATIO (A\/F) SENSOR [SKYACTIV-G 2.0]<\/h3>\n<p><a name=\"id0140f400480001\" id=\"id0140f400480001\"><\/a><\/p>\n<h4>Purpose<\/h4>\n<ul type=\"disc\">\n<li>\n<p>Detects the oxygen concentration (all-range air\/fuel ratio) in the exhaust gas as basic information for mainly determining the fuel injection amount.<\/p>\n<\/li>\n<\/ul>\n<p>          <a name=\"id0140f400480002\" id=\"id0140f400480002\"><\/a><\/p>\n<h4>Function<\/h4>\n<ul type=\"disc\">\n<li>\n<p>Detects the oxygen concentration (all-range air\/fuel ratio) in the exhaust gas and sends it to the PCM as an oxygen concentration (all-range air\/fuel ratio) signal.<\/p>\n<p align=\"center\">A\/F sensor characteristic<\/p>\n<p align=\"center\"><a href=\"\/16ND\/wp-content\/uploads\/2017\/05\/AMXUUN00001409.GIF\"><img decoding=\"async\" align=\"absmiddle\" border=\"0\" src=\"\/16ND\/wp-content\/uploads\/2017\/05\/AMXUUN00001409.GIF\"><\/a><\/p>\n<\/li>\n<li>\n<p>Because the A\/F sensor has an output characteristics proportional to the actual air\/fuel ratio, a detailed air\/fuel ratio can be detected compared to using the heated oxygen sensor which detects the rich\/lean of the oxygen concentration in relation to the theoretical air\/fuel ratio.<\/p>\n<\/li>\n<\/ul>\n<p>          <a name=\"id0140f400480003\" id=\"id0140f400480003\"><\/a><\/p>\n<h4>Construction<\/h4>\n<ul type=\"disc\">\n<li>\n<p>The A\/F sensor is located on the exhaust manifold.<\/p>\n<p align=\"center\"><a href=\"\/16ND\/wp-content\/uploads\/2017\/05\/AMXUUN00001410.GIF\"><img decoding=\"async\" align=\"absmiddle\" border=\"0\" src=\"\/16ND\/wp-content\/uploads\/2017\/05\/AMXUUN00001410.GIF\"><\/a><\/p>\n<\/li>\n<li>\n<p>The A\/F sensor has an oxygen standard chamber which is always kept at 100% of oxygen concentration and an oxygen concentration detection chamber where the oxygen concentration in the exhaust gas is detected.<\/p>\n<\/li>\n<li>\n<p>A zirconia element has been adopted for the detection area of the A\/F sensor.<\/p>\n<\/li>\n<li>\n<p>The zirconia element generates voltage according to the difference in oxygen concentration. Using this characteristic, the A\/F sensor compares the oxygen concentration between the oxygen standard chamber (100%) and the oxygen concentration detection chamber and detects the oxygen concentration in the exhaust gas.<\/p>\n<p align=\"center\"><a href=\"\/16ND\/wp-content\/uploads\/2017\/05\/AATJJN00002695.GIF\"><img decoding=\"async\" align=\"absmiddle\" border=\"0\" src=\"\/16ND\/wp-content\/uploads\/2017\/05\/AATJJN00002695.GIF\"><\/a><\/p>\n<\/li>\n<li>\n<p>Stable measurement of the air\/fuel ratio is possible because heating by the heater is controlled and measurement is not affected by the exhaust gas temperature.<\/p>\n<\/li>\n<\/ul>\n<p>          <a name=\"id0140f400480004\" id=\"id0140f400480004\"><\/a><\/p>\n<h4>Operation<\/h4>\n<p>            1. The PCM energizes the A\/F sensor heater and activates the A\/F sensor.<\/p>\n<p>            2. The A\/F sensor compares the oxygen concentration between oxygen standard and exhaust gas and detects the oxygen concentration (all-range air\/fuel ratio).<\/p>\n<p>            3. The A\/F sensor sends the detected oxygen concentration (all-range air\/fuel ratio) to the PCM as an output current value.<\/p>\n<ul type=\"square\">\n<li>\n<p>The output current value increases when the oxygen concentration in the exhaust gas is high (Lean fuel).<\/p>\n<\/li>\n<li>\n<p>The output current value decreases when the oxygen concentration in the exhaust gas is low (Rich fuel).<\/p>\n<\/li>\n<\/ul>\n<p>            4. The PCM control the air\/fuel ratio based on the oxygen concentration (all-range air\/fuel ratio) received as an output current value.<br \/>\n          <a name=\"id0140f400480005\" id=\"id0140f400480005\"><\/a><\/p>\n<h4>Fail-safe<\/h4>\n<table border=\"1\" cellpadding=\"0\" cellspacing=\"@colsep\" bordercolor=\"#CCCCCC\" frame=\"box\" rules=\"all\">\n<tbody valign=\"\" cellspacing=\"1\" rowspan=\"\">\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>DTC No.<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Fail-safe function<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>P0031:00<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Stops fuel feedback control.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>P0032:00<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Stops fuel feedback control.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>P0053:00<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Stops fuel feedback control.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>P0130:00<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Fixes the output duty value of the A\/F sensor heater control.<\/p>\n<\/li>\n<li>\n<p>Stops fuel feedback control of A\/F sensor.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>P0131:00<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Fixes the output duty value of the A\/F sensor heater control.<\/p>\n<\/li>\n<li>\n<p>Stops fuel feedback control of A\/F sensor.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>P0132:00<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Fixes the output duty value of the A\/F sensor heater control.<\/p>\n<\/li>\n<li>\n<p>Stops fuel feedback control of A\/F sensor.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>P0133:00<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Fixes the output duty value of the A\/F sensor heater control.<\/p>\n<\/li>\n<li>\n<p>Stops fuel feedback control of A\/F sensor.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>P0134:00<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Fixes the output duty value of the A\/F sensor heater control.<\/p>\n<\/li>\n<li>\n<p>Stops fuel feedback control of A\/F sensor.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>P2237:00<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Fixes the output duty value of the A\/F sensor heater control.<\/p>\n<\/li>\n<li>\n<p>Stops fuel feedback control of A\/F sensor.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\n          <a class=\"prevPage\" href=\"SH13085\">&lt; Previous<\/a> <a class=\"nextPage\" href=\"SH13087\">Next &gt;<\/a><\/p>\n<div align=\"right\">\n            <a href=\"\"#\">Back to Top<\/a>\n          <\/div>\n<div align=\"center\">\n            <em>\u00a9 2014 Mazda North American Operations, U.S.A.<\/em>\n          <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>&lt; Previous Next &gt; 2016 &#8211; MX-5 &#8211; Engine AIR FUEL RATIO (A\/F) SENSOR [SKYACTIV-G 2.0] Purpose Detects the oxygen concentration (all-range air\/fuel ratio) in the exhaust gas as basic information for mainly determining the fuel injection amount. Function Detects the oxygen concentration (all-range air\/fuel ratio) in the exhaust gas and sends it to the PCM as an oxygen concentration (all-range air\/fuel ratio) signal. A\/F sensor characteristic Because the A\/F sensor has an output characteristics [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-8378","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/8378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/comments?post=8378"}],"version-history":[{"count":0,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/8378\/revisions"}],"wp:attachment":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/media?parent=8378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}