{"id":9005,"date":"2017-06-11T23:58:06","date_gmt":"2017-06-11T23:58:06","guid":{"rendered":"http:\/\/mazdaman.x10host.com\/sm352672\/"},"modified":"2017-06-11T23:58:06","modified_gmt":"2017-06-11T23:58:06","slug":"sm352672","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/16ND\/sm352672\/","title":{"rendered":"NO.13 KNOCKING\/PINGING-ACCELERATION\/CRUISE [SKYACTIV-G 2.0]"},"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=\"SM352671\">&lt; Previous<\/a> <a class=\"nextPage\" href=\"SM352673\">Next &gt;<\/a><\/p>\n<h2>2016 &#8211; MX-5 &#8211; Engine<\/h2>\n<p><a name=\"id0103e6812100\" id=\"id0103e6812100\"><\/a><\/p>\n<h3>NO.13 KNOCKING\/PINGING-ACCELERATION\/CRUISE [SKYACTIV-G 2.0]<\/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>13<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>KNOCKING\/PINGING-ACCELERATION\/CRUISE<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p><b>DESCRIPTION<\/b><\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Abnormal combustion occurs under the condition such as the temperature in the combustion chamber is too high resulting in abnormal noise.<\/p>\n<\/li>\n<li>\n<p>Knocking sound occurs from the engine room during acceleration.<\/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>POSSIBLE CAUSE<\/b><\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Poor fuel quality<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Fuel RON is not specified<\/p>\n<\/li>\n<li>\n<p>Excessive cleaning agents added in fuel<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Poor connection of KS, wiring harness<\/p>\n<\/li>\n<li>\n<p>The following information for calculating ignition timing is incorrect:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>KS signal<\/p>\n<\/li>\n<li>\n<p>ECT sensor No.1 signal<\/p>\n<\/li>\n<li>\n<p>IAT sensor No.2 (integrated in MAP sensor) signal<\/p>\n<\/li>\n<li>\n<p>MAF sensor signal<\/p>\n<\/li>\n<ul type=\"disc\">\n<li>\n<p>Air suction in intake-air system<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>MAP sensor signal<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Combustion temperature is high<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Cooling system malfunction<\/p>\n<\/li>\n<li>\n<p>Carbon accumulation<\/p>\n<\/li>\n<li>\n<p>Use of non-genuine spark plug<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<p><b><span class=\"c1\">WARNING:<\/span><\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services:<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.<\/p>\n<\/li>\n<li>\n<p>Highly pressurized fuel may spray out if the fuel line is cut. Due to the following dangers occurring with a fuel spray, always complete the \u201cFuel Line Safety Procedure\u201d to prevent the fuel from spraying. (See <a href=\"SM352744\">BEFORE SERVICE PRECAUTION [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/li>\n<ul type=\"disc\">\n<li>\n<p>Fuel may cause irritation if it comes in contact with skin and eyes.<\/p>\n<\/li>\n<li>\n<p>If fuel ignites and causes a fire, it may lead to serious injury or death, and damage to property and facilities.<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Fuel is highly flammable and dangerous. Fuel line spills and leakage can cause serious injury or death, and damage to equipment. Always refer to the \u201cQuick Release Connector Removal\/Installation (fuel system)\u201d before performing the fuel hose installation, and execute the \u201cFuel Leakage Inspection\u201d after installation. (See <a href=\"SM352742\">QUICK RELEASE CONNECTOR REMOVAL\/INSTALLATION [SKYACTIV-G 2.0]<\/a>.) (See <a href=\"SM352743\">AFTER SERVICE PRECAUTION [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<p><b><span class=\"c1\">CAUTION:<\/span><\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Disconnecting\/connecting the quick release connector without cleaning it may possibly cause damage to the fuel pipe and quick release connector. Always clean the quick release connector joint area before disconnecting\/connecting, and make sure that it is free of foreign material.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><\/p>\n<p><b><span class=\"c1\">CAUTION:<\/span><\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting.<\/p>\n<\/li>\n<\/ul>\n<p>          <b>Related PIDs<\/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>Item (definition)<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Unit\/Condition<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Definition<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Condition\/Specification (Reference)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>BARO<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>KPa , mBar , psi, in H20<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Actually measured barometric pressure input from BARO sensor built into PCM<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Displays BARO<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>ECT<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>\u00b0C, \u00b0F<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Engine coolant temperature input from ECT sensor No.1<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Displays ECT<\/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>V<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>ECT sensor No.1 voltage<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n                      <b>Ignition switched ON (engine off)<\/b><\/p>\n<li>\n<p>ECT is 92 \u00b0C {198 \u00b0F}: Approx. 0.65 V<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>Idle (after warm up)<\/b><\/p>\n<li>\n<p>ECT is 93 \u00b0C {199 \u00b0F}: Approx. 0.64 V<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>Racing (Engine speed is 2,000 rpm)<\/b><\/p>\n<li>\n<p>ECT is 92 \u00b0C {198 \u00b0F}: Approx. 0.66 V<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n                      <b>Racing (Engine speed is 4,000 rpm)<\/b><\/p>\n<li>\n<p>ECT is 93 \u00b0C {199 \u00b0F}: Approx. 0.64 V<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>IAT2<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>\u00b0C, \u00b0F<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Intake air temperature (No.2) input from IAT sensor No.2<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Displays IAT (No.2)<\/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>V<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>IAT sensor No.2 voltage<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>IAT2 is 65 \u00b0C {149 \u00b0F}: Approx. 1.7 V<\/p>\n<\/li>\n<li>\n<p>IAT2 is 66 \u00b0C {151 \u00b0F}: Approx. 1.65 V<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n<p>MAF<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>g\/Sec<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Mass air flow input from MAF sensor<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Displays MAF<\/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>V<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>MAF sensor voltage<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Ignition switched ON (engine off) (MAF: 0.39 g\/s {0.052 lb\/min}): Approx. 0.72 V (ECT is 89 \u00b0C {192 \u00b0F})<\/p>\n<\/li>\n<li>\n<p>Idle (after warm up) (MAF: 4.29 g\/s {0.567 lb\/min}): Approx. 1.15 V (ECT is 88 \u00b0C {190 \u00b0F})<\/p>\n<\/li>\n<li>\n<p>Racing (engine speed is 2,000 rpm) (MAF: 4.32 g\/s {0.571 lb\/min}): Approx. 1.15 V (ECT is 89 \u00b0C {192 \u00b0F})<\/p>\n<\/li>\n<li>\n<p>Racing (engine speed is 4,000 rpm) (MAF: 12.71 g\/s {1.681 lb\/min}): Approx. 1.66 V (ECT is 89 \u00b0C {192 \u00b0F})<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>MAP<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>KPa , mBar , psi, in H20<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Manifold absolute pressure input from MAP sensor<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Displays MAP<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>MAP_V<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>V<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>MAP sensor voltage<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<ul type=\"disc\">\n<li>\n<p>Ignition switched ON (engine off) (MAP:101 kPa {1.03 kgf\/cm<sup>2<\/sup>, 14.6 psi}): Approx. 4.08 V (ECT is 89 \u00b0C {192 \u00b0F})<\/p>\n<\/li>\n<li>\n<p>Idle (after warm up) (MAP: 31 kPa {0.32 kgf\/cm<sup>2<\/sup>, 4.5 psi}): Approx. 1.25 V (ECT is 88 \u00b0C {190 \u00b0F})<\/p>\n<\/li>\n<li>\n<p>Racing (engine speed is 2,000 rpm) (MAP: 32 kPa {0.33 kgf\/cm<sup>2<\/sup>, 4.6 psi}): Approx. 1.31 V (ECT is 89 \u00b0C {192 \u00b0F})<\/p>\n<\/li>\n<li>\n<p>Racing (engine speed is 4,000 rpm) (MAP: 49 kPa {0.50 kgf\/cm<sup>2<\/sup>, 7.1 psi}): Approx. 2.03 V (ECT is 89 \u00b0C {192 \u00b0F})<\/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=\"NaN\">\n<p>INSPECTION<\/p>\n<\/td>\n<td valign=\"middle\" align=\"center\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>RESULTS<\/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 PCM DTC<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Retrieve any DTCs using the M-MDS.<\/p>\n<p>(See <a href=\"SM352608\">ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 2.0)]<\/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=\"SM352613\">DTC TABLE [PCM (SKYACTIV-G 2.0)]<\/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>REPLACE FUEL<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Drain the remaining fuel in the fuel tank and add the specified fuel.<\/p>\n<\/li>\n<li>\n<p>Leave idling <b>for approx. 15 min<\/b> to refill the hose with fuel.<\/p>\n<\/li>\n<li>\n<p>Does the symptom disappear?<\/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>Symptom troubleshooting completed.<\/p>\n<p>(If customer has used fuel additive, give them advice not to use it)<\/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>3<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>VERIFY IF MALFUNCTION CAUSE IS OVERHEATING<\/b><\/p>\n<p><b><span class=\"c1\">CAUTION:<\/span><\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>While performing this step, always operate the vehicle in a safe and lawful manner.<\/p>\n<\/li>\n<li>\n<p>When the M-MDS is used to observe monitor system status while driving, be sure to have another technician with you, or record the data in the M-MDS using the PID\/DATA MONITOR AND RECORD capturing function and inspect later.<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n<li>\n<p>Access the ECT PID using the M-MDS.<\/p>\n<p>(See <a href=\"SM352608\">ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 2.0)]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Is the ECT PID value <b>less than 116 \u00b0C {241 \u00b0F}<\/b> during driving?<\/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>The cause of this concern could be from the cooling system overheating.<\/p>\n<ul type=\"disc\">\n<li>\n<p>Perform the symptom troubleshooting \u201cNO.17 COOLING SYSTEM CONCERNS-OVERHEATING\u201d.<\/p>\n<p>(See <a href=\"SM352660\">NO.17 COOLING SYSTEM CONCERNS-OVERHEATING [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/li>\n<\/ul>\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>VERIFY SPARK PLUG CONDITION<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Remove all spark plugs.<\/p>\n<p>(See <a href=\"SM352786\">SPARK PLUG REMOVAL\/INSTALLATION [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Inspect the spark plug.<\/p>\n<p>(See <a href=\"SM352787\">SPARK PLUG INSPECTION [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Is there any malfunction?<\/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>Replace the spark plug.<\/p>\n<p>(See <a href=\"SM352786\">SPARK PLUG REMOVAL\/INSTALLATION [SKYACTIV-G 2.0]<\/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>5<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT INTAKE AIR SYSTEM FOR AIR SUCTION<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Verify if there is air suction into the intake air system (such as between MAF sensor and intake valve, vacuum hose, evaporative hose, ventilation hose).<\/p>\n<p>(See <a href=\"SM353016\">VACUUM HOSE REMOVAL\/INSTALLATION<\/a>.)<\/p>\n<p>(See <a href=\"SM352763\">EMISSION SYSTEM LOCATION INDEX [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<p>(See <a href=\"SM352729\">INTAKE-AIR SYSTEM REMOVAL\/INSTALLATION [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/li>\n<\/ul>\n<ul type=\"disc\">\n<li>\n<p>Is there any malfunction?<\/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>Repair or replace the malfunctioning part according to the inspection results.<\/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>6<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT MAP SENSOR<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Access the following PIDs using the M-MDS:<\/p>\n<p>(See <a href=\"SM352608\">ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 2.0)]<\/a>.)<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>MAP<\/p>\n<\/li>\n<li>\n<p>BARO<\/p>\n<\/li>\n<\/ul>\n<li>\n<p>Measure the intake manifold vacuum when idling (no load).<\/p>\n<p>(See <a href=\"SM352726\">INTAKE MANIFOLD VACUUM INSPECTION [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Does the difference between PIDs BARO and MAP nearly match the intake manifold vacuum value?<\/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 MAP sensor\/IAT sensor No.2.<\/p>\n<p>(See <a href=\"SM352835\">MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR\/INTAKE AIR TEMPERATURE (IAT) SENSOR NO.2 REMOVAL\/INSTALLATION [SKYACTIV-G 2.0]<\/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>7<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT MAF SENSOR<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Inspect the MAF sensor.<\/p>\n<p>(See <a href=\"SM352803\">MASS AIR FLOW (MAF) SENSOR INSPECTION [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Is there any malfunction?<\/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>Replace the MAF sensor\/IAT sensor No.1.<\/p>\n<p>(See <a href=\"SM352834\">MASS AIR FLOW (MAF) SENSOR\/INTAKE AIR TEMPERATURE (IAT) SENSOR NO.1 REMOVAL\/INSTALLATION [SKYACTIV-G 2.0]<\/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>8<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT IAT SENSOR NO.2<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Inspect the IAT sensor No.2 resistance.<\/p>\n<p>(See <a href=\"SM352814\">INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Is there any malfunction?<\/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>Replace the MAP sensor\/IAT sensor No.2.<\/p>\n<p>(See <a href=\"SM352835\">MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR\/INTAKE AIR TEMPERATURE (IAT) SENSOR NO.2 REMOVAL\/INSTALLATION [SKYACTIV-G 2.0]<\/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>9<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT ECT SENSOR NO.1<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Inspect the ECT sensor No.1 resistance.<\/p>\n<p>(See <a href=\"SM352813\">ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Is there any malfunction?<\/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>Replace the ECT sensor No.1.<\/p>\n<p>(See <a href=\"SM352812\">ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL\/INSTALLATION [SKYACTIV-G 2.0]<\/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>10<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"2\" colspan=\"NaN\">\n                  <b>INSPECT KS<\/b><\/p>\n<ul type=\"disc\">\n<li>\n<p>Inspect the KS.<\/p>\n<p>(See <a href=\"SM352819\">KNOCK SENSOR (KS) INSPECTION [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>Is there any malfunction?<\/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>Replace the KS, then go to the next step.<\/p>\n<p>(See <a href=\"SM352820\">KNOCK SENSOR (KS) REMOVAL\/INSTALLATION [SKYACTIV-G 2.0]<\/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>Remove the accumulated matter in the cylinder head using the following procedure:<\/p>\n<ul type=\"disc\">\n<li>\n<p>Carbon remover<\/p>\n<\/li>\n<li>\n<p>Overhauling<\/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>11<\/p>\n<\/td>\n<td valign=\"top\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"3\">\n<p>Verify the test results.<\/p>\n<ul type=\"disc\">\n<li>\n<p>If normal, return to the diagnostic index to service any additional symptoms.<\/p>\n<p>(See <a href=\"SM352646\">SYMPTOM DIAGNOSTIC INDEX [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/li>\n<li>\n<p>If the malfunction remains, inspect the related Service Bulletins and\/or On-line Repair Information and perform repair or diagnosis.<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>If the vehicle is repaired, troubleshooting is completed.<\/p>\n<\/li>\n<li>\n<p>If the vehicle is not repaired or additional diagnostic information is not available, reprogram the PCM if a later calibration is available. Retest.<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\n          <a class=\"prevPage\" href=\"SM352671\">&lt; Previous<\/a> <a class=\"nextPage\" href=\"SM352673\">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 NO.13 KNOCKING\/PINGING-ACCELERATION\/CRUISE [SKYACTIV-G 2.0] 13 KNOCKING\/PINGING-ACCELERATION\/CRUISE DESCRIPTION Abnormal combustion occurs under the condition such as the temperature in the combustion chamber is too high resulting in abnormal noise. Knocking sound occurs from the engine room during acceleration. POSSIBLE CAUSE Poor fuel quality Fuel RON is not specified Excessive cleaning agents added in fuel Poor connection of KS, wiring harness The following information for calculating ignition timing [&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-9005","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/pages\/9005","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=9005"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/pages\/9005\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/16ND\/wp-json\/wp\/v2\/media?parent=9005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}