{"id":9581,"date":"2017-06-11T23:57:43","date_gmt":"2017-06-11T23:57:43","guid":{"rendered":"http:\/\/mazdaman.x10host.com\/sm353254\/"},"modified":"2017-06-11T23:57:43","modified_gmt":"2017-06-11T23:57:43","slug":"sm353254","status":"publish","type":"page","link":"https:\/\/chroot-me.in\/16ND\/sm353254\/","title":{"rendered":"DTC U300E:13 [CLIMATE CONTROL UNIT (FULL-AUTO AIR CONDITIONER)]"},"content":{"rendered":"<div class=\"node node SERVICE_MANUALS\">\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=\"SM353253\">&lt; Previous<\/a> <a class=\"nextPage\" href=\"SM353255\">Next &gt;<\/a><\/p>\n<h2>2016 &#8211; MX-5 &#8211; HVAC<\/h2>\n<p><a name=\"id0702k2731800\" id=\"id0702k2731800\"><\/a><\/p>\n<h3>DTC U300E:13 [CLIMATE CONTROL UNIT (FULL-AUTO AIR CONDITIONER)]<\/h3>\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>System malfunction location<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Climate control unit power supply circuit open (IG1)<\/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><b>Detection condition<\/b><\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Malfunction in wiring harness between climate control unit and IG1 relay<\/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><b>Fail-safe function<\/b><\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Not applicable<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p><b>Possible cause<\/b><\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>IG1 relay malfunction<\/p>\n<\/li>\n<li>\n<p>Climate control unit connector malfunction<\/p>\n<\/li>\n<li>\n<p>Open circuit in wiring harness between battery positive terminal and climate control unit terminal<\/p>\n<\/li>\n<li>\n<p>Climate control unit malfunction<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p align=\"center\"><a href=\"\/16ND\/wp-content\/uploads\/2017\/05\/AM2ZZW00011967.GIF\"><img decoding=\"async\" align=\"absmiddle\" border=\"0\" src=\"\/16ND\/wp-content\/uploads\/2017\/05\/AM2ZZW00011967.GIF\"><\/a><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><\/p>\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>Step<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Inspection<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Action<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>1<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT IG1 RELAY FOR MALFUNCTION<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Switch the ignition off.<\/p>\n<\/li>\n<li>\n<p>Disconnect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Remove the IG1 relay.<\/p>\n<p>(See <a href=\"SM356352\">RELAY LOCATION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Inspect the IG1 relay.<\/p>\n<p>(See <a href=\"SM356350\">RELAY INSPECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Is the IG1 relay normal?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Replace the IG1 relay, then go to Step 5.<\/p>\n<p>(See <a href=\"SM356352\">RELAY LOCATION<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>2<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>VERIFY CLIMATE CONTROL UNIT CONNECTOR CONDITION<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Disconnect the climate control unit connector.<\/p>\n<p>(See <a href=\"SM353347\">CLIMATE CONTROL UNIT REMOVAL\/INSTALLATION [FULL-AUTO AIR CONDITIONER]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Inspect the connector and terminals (corrosion, damage, pin disconnection).<\/p>\n<\/li>\n<li>\n<p>Are the connector and terminals normal?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Repair\/replace the connector or terminal.<\/p>\n<p>After repair procedure, go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>3<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT CLIMATE CONTROL UNIT POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Inspect for continuity between climate control unit terminal N and IG1 relay.<\/p>\n<\/li>\n<li>\n<p>Is there continuity?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Refer to the wiring diagram and verify whether or not there is a common connector between climate control unit terminal and IG1 relay.<\/p>\n<ul type=\"disc\">\n                      <b>If there is a common connector:<\/b><\/p>\n<li>\n<p>Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.<\/p>\n<\/li>\n<li>\n<p>Repair or replace the malfunctioning part.<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>If there is no common connector:<\/b><\/p>\n<li>\n<p>Repair or replace the wiring harness which has an open circuit.<\/p>\n<\/li>\n<\/ul>\n<p>Go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>4<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT CLIMATE CONTROL UNIT<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Reconnect the disconnected connectors.<\/p>\n<\/li>\n<li>\n<p>Connect the negative battery cable.<\/p>\n<p>(See <a href=\"SM352783\">NEGATIVE BATTERY CABLE DISCONNECTION\/CONNECTION<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Clear DTCs using the M-MDS.<\/p>\n<\/li>\n<li>\n<p>Perform the climate control unit DTC inspection using the M-MDS.<\/p>\n<p>(See <a href=\"SM353257\">DTC DISPLAY [CLIMATE CONTROL UNIT (FULL-AUTO AIR CONDITIONER)]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Are DTCs U300E:13 displayed?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Repeat the inspection from Step 1.<\/p>\n<ul type=\"disc\">\n<li>\n<p>If the malfunction does not recur, go to the next step.<\/p>\n<\/li>\n<li>\n<p>If the malfunction recurs, replace the climate control unit.<\/p>\n<p>(See <a href=\"SM353347\">CLIMATE CONTROL UNIT REMOVAL\/INSTALLATION [FULL-AUTO AIR CONDITIONER]<\/a>.)<\/p>\n<\/li>\n<\/ul>\n<p>Go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Go to the next step.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>5<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>VERIFY THAT NO OTHER DTCs ARE PRESENT<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Verify other DTCs displayed.<\/p>\n<p>(See <a href=\"SM353257\">DTC DISPLAY [CLIMATE CONTROL UNIT (FULL-AUTO AIR CONDITIONER)]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Are any other DTCs output?<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Yes<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Perform the corresponding DTC inspection.<\/p>\n<p>(See <a href=\"SM353259\">DTC TABLE [CLIMATE CONTROL UNIT (FULL-AUTO AIR CONDITIONER)]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"top\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>No<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>DTC troubleshooting completed.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\n          <a class=\"prevPage\" href=\"SM353253\">&lt; Previous<\/a> <a class=\"nextPage\" href=\"SM353255\">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; HVAC DTC U300E:13 [CLIMATE CONTROL UNIT (FULL-AUTO AIR CONDITIONER)] System malfunction location Climate control unit power supply circuit open (IG1) Detection condition Malfunction in wiring harness between climate control unit and IG1 relay Fail-safe function Not applicable Possible cause IG1 relay malfunction Climate control unit connector malfunction Open circuit in wiring harness between battery positive terminal and climate control unit terminal Climate control unit malfunction Step Inspection [&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-9581","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/9581","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=9581"}],"version-history":[{"count":0,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/9581\/revisions"}],"wp:attachment":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/media?parent=9581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}