{"id":9316,"date":"2017-06-11T23:57:55","date_gmt":"2017-06-11T23:57:55","guid":{"rendered":"http:\/\/mazdaman.x10host.com\/sm352989\/"},"modified":"2017-06-11T23:57:55","modified_gmt":"2017-06-11T23:57:55","slug":"sm352989","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/16ND\/sm352989\/","title":{"rendered":"HILL LAUNCH ASSIST (HLA) OPERATES EVEN ON A DOWN SLOPE\/HILL LAUNCH ASSIST (HLA) DOES NOT OPERATE ON A SLOPE [DYNAMIC STABILITY CONTROL (DSC)]"},"content":{"rendered":"<div class=\"node node SERVICE_MANUALS\">\n    <\/p>\n<div class=\"textleft\">\n<div class=\"attr CONTENT c2\">\n<div class=\"content\">\n          <link rel=\"stylesheet\" type=\"text\/css\" href=\"style.css\" media=\"screen\"><a class=\"prevPage\" href=\"SM352988\">&lt; Previous<\/a> <a class=\"nextPage\" href=\"SM352990\">Next &gt;<\/a><\/p>\n<h2>2016 &#8211; MX-5 &#8211; Brakes<\/h2>\n<p><a name=\"id0403b2889600\" id=\"id0403b2889600\"><\/a><\/p>\n<h3>HILL LAUNCH ASSIST (HLA) OPERATES EVEN ON A DOWN SLOPE\/HILL LAUNCH ASSIST (HLA) DOES NOT OPERATE ON A SLOPE [DYNAMIC STABILITY CONTROL (DSC)]<\/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>7<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Hill launch assist (HLA) operates even on a down slope<\/p>\n<p>Hill launch assist (HLA) does not operate on a slope<\/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=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p><b><span class=\"c1\">NOTE:<\/span><\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>HLA operates on an up slope of <b>about 3% or more<\/b> when the shift lever is in a position other than the reverse (R) position (MT).<\/p>\n<\/li>\n<li>\n<p>HLA operates on an up slope of <b>about 10% or more<\/b> when selector lever position is in a forward gear (AT).<\/p>\n<\/li>\n<li>\n<p>HLA operates for a maximum of <b>2 s<\/b> after releasing the brake pedal.<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n<li>\n<p>DSC HU\/CM detects a malfunction (Input\/output device malfunction).<\/p>\n<\/li>\n<li>\n<p>PCM and\/or instrument cluster detect a malfunction.<\/p>\n<\/li>\n<li>\n<p>SAS control module installation malfunction (If there is a malfunction resulting from SAS control module removal, HLA may not operate at desired inclination angle).<\/p>\n<\/li>\n<li>\n<p>Tire malfunction (Differing air pressure on four wheels, use of tires with differing conditions of wear)<\/p>\n<\/li>\n<li>\n<p>DSC HU\/CM initial setting and DSC related parts sensor initialization have not been performed after replacing DSC HU\/CM and SAS control module (If initial setting and initialization are not performed, HLA may not operate at desired inclination angle).<\/p>\n<\/li>\n<li>\n<p>Center point of low-G sensor has deviated.<\/p>\n<\/li>\n<li>\n<p>Input signal malfunction from ABS wheel-speed sensor<\/p>\n<\/li>\n<li>\n<p>Input signal malfunction from PCM (Engine torque signal, engine speed signal, accelerator pedal position signal, manual gear position signal, and clutch pedal signal)<\/p>\n<\/li>\n<li>\n<p>Input signal malfunction from instrument cluster (Parking brake signal)<\/p>\n<\/li>\n<li>\n<p>Input signal malfunction from TCM (Selector lever position signal)<\/p>\n<\/li>\n<li>\n<p>Communication error between DSC HU\/CM and PCM<\/p>\n<\/li>\n<li>\n<p>Communication error between DSC HU\/CM and instrument cluster<\/p>\n<\/li>\n<li>\n<p>Brake (foot brake\/parking brake) drag<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\n          <b>Diagnostic procedure<\/b><\/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>VERIFY DTC FOR RELATED MODULES<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Retrieve the DSC HU\/CM, PCM, TCM (AT) and instrument cluster DTC using the M-MDS.<\/p>\n<p>(See <a href=\"SM352976\">DTC INSPECTION [DSC HU\/CM]<\/a>.)<\/p>\n<p>(See <a href=\"SM352608\">ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 2.0)]<\/a>.)<\/p>\n<p>(See <a href=\"SM353044\">ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [TCM (SJ6A-EL)]<\/a>.)<\/p>\n<p>(See <a href=\"SM355717\">DTC INSPECTION [INSTRUMENT CLUSTER]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Are any DTCs present?<\/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 applicable DTC inspection.<\/p>\n<p>(See <a href=\"SM352976\">DTC INSPECTION [DSC HU\/CM]<\/a>.)<\/p>\n<p>(See <a href=\"SM352613\">DTC TABLE [PCM (SKYACTIV-G 2.0)]<\/a>.)<\/p>\n<p>(See <a href=\"SM353045\">ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (SJ6A-EL)]<\/a>.)<\/p>\n<p>(See <a href=\"SM355719\">DTC TABLE [INSTRUMENT CLUSTER]<\/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>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>2<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>VERIFY IF FALSE DETECTION OF INCLINATION ANGLE CAUSED BY MALFUNCTIONING SAS CONTROL MODULE INSTALLATION<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Inspect the SAS control module installation condition for the following:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Is the module installed with any twisting?<\/p>\n<\/li>\n<li>\n<p>Is the module installed correctly?<\/p>\n<\/li>\n<\/ul>\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 the SAS control module installation condition.<\/p>\n<p>(See <a href=\"SM353486\">SAS CONTROL MODULE REMOVAL\/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM]<\/a>.)<\/p>\n<p>(See <a href=\"SM353464\">SAS CONTROL MODULE REMOVAL\/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM]<\/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>3<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>VERIFY IF MALFUNCTION CAUSED BY INITIALIZATION PROCEDURE FOR DSC RELATED PARTS SENSOR NOT PERFORMED<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Verify if the malfunction is caused by the initialization procedure for DSC related parts sensor not being performed.<\/p>\n<\/li>\n<li>\n<p>Has the initialization for the DSC related parts sensor been performed after replacing the DSC HU\/CM and the SAS control module?<\/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>Perform the initialization procedure.<\/p>\n<p>(See <a href=\"SM353039\">DSC RELATED PARTS SENSOR INITIALIZATION PROCEDURE<\/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>4<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT FOR TIRE MALFUNCTION<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Inspect the tire pressure and condition.<\/p>\n<\/li>\n<li>\n<p>Are tire pressures and conditions 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>If the pressure is incorrect, adjust the tire pressure to the specification.<\/p>\n<p>If the tires are worn, replace the tires.<\/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>INSPECT RELATED MODULES FOR MALFUNCTION CAUSED BY FALSE SIGNAL<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Access the following DSC HU\/CM, PCM, TCM (AT) and instrument cluster PIDs using the M-MDS:<\/p>\n<p>(See <a href=\"SM352976\">DTC INSPECTION [DSC HU\/CM]<\/a>.)<\/p>\n<p>(See <a href=\"SM352817\">PCM INSPECTION [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<p>(See <a href=\"SM353046\">ON-BOARD DIAGNOSTIC SYSTEM PID\/DATA MONITOR INSPECTION [TCM (SJ6A-EL)]<\/a>.)<\/p>\n<p>(See <a href=\"SM355720\">PID\/DATA MONITOR INSPECTION [INSTRUMENT CLUSTER]<\/a>.)<\/p>\n<\/li>\n<ul type=\"square\">\n                          <b>DSC HU\/CM<\/b><\/p>\n<li>\n<p>BRAKE_SW (Brake signal)<\/p>\n<\/li>\n<li>\n<p>LON_ACCL_C (Low-G sensor (longitudinal G) calculated value signal)<\/p>\n<\/li>\n<li>\n<p>LON_ACCL_R (Low-G sensor (longitudinal G) raw value signal)<\/p>\n<\/li>\n<li>\n<p>BRK_F_P_C (Brake fluid pressure calculated value signal)<\/p>\n<\/li>\n<li>\n<p>BRK_F_P_R (Brake fluid pressure raw value signal)<\/p>\n<\/li>\n<li>\n<p>WSPD_LF (ABS wheel-speed sensor (LF) signal)<\/p>\n<\/li>\n<li>\n<p>WSPD_RF (ABS wheel-speed sensor (RF) signal)<\/p>\n<\/li>\n<li>\n<p>WSPD_LR (ABS wheel-speed sensor (LR) signal)<\/p>\n<\/li>\n<li>\n<p>WSPD_RR (ABS wheel-speed sensor (RR) signal)<\/p>\n<\/li>\n<\/ul>\n<ul type=\"square\">\n                          <b>PCM<\/b><\/p>\n<li>\n<p>RPM (Engine speed signal)<\/p>\n<\/li>\n<li>\n<p>APP (APP sensor signal)<\/p>\n<\/li>\n<li>\n<p>CPP (Clutch pedal signal: MT)<\/p>\n<\/li>\n<li>\n<p>M_GEAR (Manual gear position signal: MT)<\/p>\n<\/li>\n<li>\n<p>GEAR (Gear commanded signal: AT)<\/p>\n<\/li>\n<\/ul>\n<ul type=\"square\">\n                          <b>TCM (AT)<\/b><\/p>\n<li>\n<p>TR (Transaxle range sensor signal)<\/p>\n<\/li>\n<\/ul>\n<ul type=\"square\">\n                          <b>INSTRUMENT CLUSTER<\/b><\/p>\n<li>\n<p>P_BRAKE_SW (Parking brake signal)<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Are all PID values 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>Inspect the following:<\/p>\n<ul type=\"disc\">\n<li>\n<p>Brake (foot brake\/parking brake) drag<\/p>\n<\/li>\n<li>\n<p>Engine output malfunction<\/p>\n<\/li>\n<\/ul>\n<p>Repair or replace any malfunctioning parts according to the inspection result.<\/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>Inspect the related parts and wiring harness.<\/p>\n<p>Repair or replace any malfunctioning parts according to the inspection result.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\n          <a class=\"prevPage\" href=\"SM352988\">&lt; Previous<\/a> <a class=\"nextPage\" href=\"SM352990\">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; Brakes HILL LAUNCH ASSIST (HLA) OPERATES EVEN ON A DOWN SLOPE\/HILL LAUNCH ASSIST (HLA) DOES NOT OPERATE ON A SLOPE [DYNAMIC STABILITY CONTROL (DSC)] 7 Hill launch assist (HLA) operates even on a down slope Hill launch assist (HLA) does not operate on a slope POSSIBLE CAUSE NOTE: HLA operates on an up slope of about 3% or more when the shift lever is in a position [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-9316","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/pages\/9316","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/comments?post=9316"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/pages\/9316\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/media?parent=9316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}