{"id":8994,"date":"2022-03-10T20:30:44","date_gmt":"2022-03-10T20:30:44","guid":{"rendered":"https:\/\/www.hexorcism.com\/19BP\/sm2334629\/"},"modified":"2022-03-10T20:30:44","modified_gmt":"2022-03-10T20:30:44","slug":"sm2334629","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/19BP\/sm2334629\/","title":{"rendered":"SPARK PLUG CONDITION [SKYACTIV-G]"},"content":{"rendered":"
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SPARK PLUG CONDITION [SKYACTIV-G]<\/h3>\n<\/div>\n

SM2334629<\/p>\n

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id0103s4891500<\/p>\n

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Troubleshooting item<\/p>\n<\/th>\n

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Spark plug condition<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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Description<\/span><\/div>\n<\/td>\n
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\u2022 Incorrect spark plug condition.<\/div>\n<\/td>\n<\/tr>\n
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Possible cause<\/span><\/div>\n<\/td>\n
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Note<\/div>\n<\/dd>\n
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\u2022 Inspecting the spark plug conditions can determine whether a problem is related to a specific cylinder or possibly all cylinders.<\/div>\n<\/dd>\n<\/dl>\n
Wet\/carbon stuck on specific plug:<\/span><\/div>\n
\u2022 Spark\u2014Weak, not visible<\/div>\n
\u2022 Air\/fuel mixture\u2014Excessive fuel injection volume<\/div>\n
\u2022 Compression\u2014No compression, low compression<\/div>\n
\u2022 Malfunction spark plug<\/div>\n
Grayish white with specific plug:<\/span><\/div>\n
\u2022 Air\/fuel mixture\u2014Insufficient fuel injection volume<\/div>\n
\u2022 Malfunction spark plug<\/div>\n
If a spark plug on a specific cylinder is damaged or corroded:<\/span><\/div>\n
\u2022 Malfunction spark plug<\/div>\n
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\u2015 Damage or corrosion due to pre-ignition or knocking<\/div>\n<\/dd>\n<\/dl>\n
Wet\/carbon is stuck on all plugs:<\/span><\/div>\n
\u2022 Spark\u2014Spark weak<\/div>\n
\u2022 Air\/fuel mixture\u2014Too rich, excessive fuel line pressure<\/div>\n
\u2022 Erratic signal to PCM<\/div>\n
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\u2015 ECT sensor No.1 or related circuit malfunction<\/div>\n
\u2015 ECT sensor No.2 or related circuit malfunction<\/div>\n
\u2015 MAF sensor or related circuit malfunction<\/div>\n
\u2015 A\/F sensor or related circuit malfunction<\/div>\n
\u2015 HO2S or related circuit malfunction<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Compression\u2014Low compression<\/div>\n
\u2022 Restriction in intake\/exhaust system<\/div>\n
Grayish white with all plugs:<\/span><\/div>\n
\u2022 Erratic signal to PCM<\/div>\n
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\u2015 ECT sensor No.1 or related circuit malfunction<\/div>\n
\u2015 ECT sensor No.2 or related circuit malfunction<\/div>\n
\u2015 MAF sensor or related circuit malfunction<\/div>\n
\u2015 A\/F sensor or related circuit malfunction<\/div>\n
\u2015 HO2S or related circuit malfunction<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Air\/fuel mixture\u2014Too lean, insufficient fuel line pressure<\/div>\n<\/td>\n<\/tr>\n
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Possible cause<\/span><\/div>\n<\/td>\n
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Warning<\/div>\n<\/dd>\n
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\u2022 The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services:<\/div>\n
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\u2015 Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.<\/div>\n
\u2015 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 BEFORE SERVICE PRECAUTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See BEFORE SERVICE PRECAUTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
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\u2022 Fuel may cause irritation if it comes in contact with skin and eyes.<\/div>\n
\u2022 If fuel ignites and causes a fire, it may lead to serious injury or death, and damage to property and facilities.<\/div>\n<\/dd>\n<\/dl>\n
\u2015 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 QUICK RELEASE CONNECTOR (FUEL SYSTEM) REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See QUICK RELEASE CONNECTOR (FUEL SYSTEM) REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.) (See AFTER SERVICE PRECAUTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See AFTER SERVICE PRECAUTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/dd>\n<\/dl>\n<\/div>\n<\/dd>\n<\/dl>\n
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Caution<\/div>\n<\/dd>\n
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\u2022 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.<\/div>\n<\/dd>\n<\/dl>\n<\/td>\n<\/tr>\n
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System wiring diagram<\/span><\/div>\n<\/td>\n
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\u2022 Not applicable<\/div>\n<\/td>\n<\/tr>\n
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Connector diagram<\/span><\/div>\n<\/td>\n
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\u2022 Not applicable<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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Caution<\/div>\n<\/dd>\n
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\u2022 Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting.<\/div>\n<\/dd>\n<\/dl>\n

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Related PIDs<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
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PIDs<\/p>\n<\/th>\n

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Reference<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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ECT<\/div>\n<\/td>\n
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(See PID\/DATA MONITOR TABLE [PCM (SKYACTIV-G (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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ECT_VOLT<\/div>\n<\/td>\n<\/tr>\n
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ECT2<\/div>\n<\/td>\n<\/tr>\n
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ECT2_VOLT<\/div>\n<\/td>\n<\/tr>\n
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MAF<\/div>\n<\/td>\n<\/tr>\n
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A\/F_SEN_CUR<\/div>\n<\/td>\n<\/tr>\n
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HO2S_OUT_VOLT<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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Diagnostic Procedure<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
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Step<\/p>\n<\/th>\n

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Inspection<\/p>\n<\/th>\n

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Results<\/p>\n<\/th>\n

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Action<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

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1<\/div>\n<\/td>\n
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VERIFY SPARK PLUG CONDITION<\/div>\n
\u2022 Remove all spark plugs. (See SPARK PLUG REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See SPARK PLUG REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Inspect the spark plug. (See SPARK PLUG INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See SPARK PLUG INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Is there any malfunction?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Specific plug is wet or covered with carbon:<\/div>\n
\u2022 Go to the next step.<\/div>\n
Specific plug looks grayish white:<\/div>\n
\u2022 Go to Step 7.<\/div>\n
All plugs are wet or covered with carbon:<\/div>\n
\u2022 Go to Step 9.<\/div>\n
All plugs look grayish white:<\/div>\n
\u2022 Go to Step 15.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Symptom troubleshooting completed.<\/div>\n<\/td>\n<\/tr>\n
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2<\/div>\n<\/td>\n
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DETERMINE IF MALFUNCTION CAUSE IS ENGINE OIL LOSS OR OTHER<\/div>\n
\u2022 Are the spark plugs wet\/covered with carbon from the engine oil?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Inspect all areas related to oil, working up and down.<\/div>\n
\u2022 If there is any malfunction:<\/div>\n
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\u2015 Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/dd>\n<\/dl>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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3<\/div>\n<\/td>\n
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INSPECT SPARK PLUG<\/div>\n
\u2022 Inspect the spark plugs for the following: (See SPARK PLUG INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See SPARK PLUG INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
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\u2015 Air gap<\/div>\n
\u2015 Cracked insulator<\/div>\n
\u2015 Worn electrode<\/div>\n
\u2015 Heat range<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Is there any malfunction?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Replace the spark plug and perform the repair completion verification.<\/div>\n
(See SPARK PLUG REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
(See SPARK PLUG REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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4<\/div>\n<\/td>\n
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INSPECT ENGINE COMPRESSION<\/div>\n
\u2022 Inspect the compression pressure at the suspected cylinder. (See COMPRESSION INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See COMPRESSION INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Are compression pressures within specification?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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5<\/div>\n<\/td>\n
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INSPECT IGNITION SYSTEM OPERATION<\/div>\n
\u2022 Reinstall all spark plugs. (See SPARK PLUG REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See SPARK PLUG REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Perform the Spark Test at the suspected cylinder. (See SPARK INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See SPARK INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Is a strong blue spark visible (compare with normal cylinder)?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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6<\/div>\n<\/td>\n
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INSPECT FUEL LINE PRESSURE<\/div>\n
\u2022 Inspect the fuel line pressure. (See FUEL LINE PRESSURE INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See FUEL LINE PRESSURE INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Is the low side fuel pressure within specification?<\/div>\n
Specification:<\/div>\n
\u2022 475\u2014555 kPa {4.85\u20145.65 kgf\/cm2<\/sup>, 68.9\u201480.4 psi}<\/span><\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Inspect the fuel injector for the following:<\/div>\n
\u2022 Injection volume<\/div>\n
\u2022 Leakage<\/div>\n
\u2022 Open or short circuit in injector (See FUEL INJECTOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See FUEL INJECTOR INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
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\u2015 If there is any malfunction:<\/div>\n
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\u2022 Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/dd>\n<\/dl>\n<\/dd>\n<\/dl>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Zero or low:<\/div>\n
\u2022 Inspect the fuel pump relay and the fuel pump circuit. (See RELAY INSPECTION<\/a>.)<\/div>\n
\u2022 Inspect the fuel line for restriction.<\/div>\n
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\u2015 If there is any malfunction:<\/div>\n
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\u2022 Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/dd>\n<\/dl>\n
\u2015 If there is no malfunction:<\/div>\n
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\u2022 Replace the fuel pump unit and perform the repair completion verification. (Pressure regulator or fuel pump malfunction) (See FUEL PUMP UNIT REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See FUEL PUMP UNIT REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/dd>\n<\/dl>\n<\/dd>\n<\/dl>\n
High:<\/div>\n
\u2022 Replace the fuel pump unit and perform the repair completion verification. (Pressure regulator malfunction) (See FUEL PUMP UNIT REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See FUEL PUMP UNIT REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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7<\/div>\n<\/td>\n
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INSPECT SPARK PLUG<\/div>\n
\u2022 Inspect the spark plug for the following:<\/div>\n
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\u2015 Air gap<\/div>\n
\u2015 Heat range<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Is there any malfunction?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Replace the spark plug and perform the repair completion verification.<\/div>\n
(See SPARK PLUG REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
(See SPARK PLUG REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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8<\/div>\n<\/td>\n
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INSPECT FUEL INJECTOR OPERATION<\/div>\n
\u2022 Perform the Fuel Injector Operation Inspection. (See FUEL INJECTOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See FUEL INJECTOR INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Do the fuel injectors operate properly?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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9<\/div>\n<\/td>\n
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INSPECT AIR CLEANER ELEMENT<\/div>\n
\u2022 Is the air cleaner element clean?<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
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10<\/div>\n<\/td>\n
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VERIFY CURRENT INPUT SIGNAL STATUS<\/div>\n
\u2022 Access the following PIDs using the M-MDS: (See PID\/DATA MONITOR INSPECTION<\/a>.)<\/div>\n
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\u2015 ECT<\/div>\n
\u2015 ECT_VOLT<\/div>\n
\u2015 ECT2<\/div>\n
\u2015 ECT2_VOLT<\/div>\n
\u2015 MAF<\/div>\n
\u2015 A\/F_SEN_CUR (When engine can be started)<\/div>\n
\u2015 HO2S_OUT_VOLT (When engine can be started)<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Are the PIDs normal? (See PID\/DATA MONITOR TABLE [PCM (SKYACTIV-G (US))]<\/a>.)<\/div>\n<\/td>\n
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Yes<\/div>\n<\/td>\n
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Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
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No<\/div>\n<\/td>\n
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ECT, ECT_VOLT PIDs are not as specified:<\/div>\n
\u2022 Inspect for an intermittent open circuit of the ECT sensor No.1 and the related wiring harness. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
ECT2, ECT2_VOLT PIDs are not as specified:<\/div>\n
\u2022 Inspect for an intermittent open circuit of the ECT sensor No.2 and the related wiring harness. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
MAF PID is not as specified:<\/div>\n
\u2022 Inspect for an intermittent open circuit of the MAF sensor and the related wiring harness. (See MASS AIR FLOW (MAF) SENSOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See MASS AIR FLOW (MAF) SENSOR INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
A\/F_SEN_CUR PID is not as specified:<\/div>\n
\u2022 Inspect for an intermittent open circuit of the A\/F sensor and the related wiring harness. (See AIR FUEL RATIO (A\/F) SENSOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See AIR FUEL RATIO (A\/F) SENSOR INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
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10<\/div>\n<\/td>\n
\n
\u2014<\/div>\n<\/td>\n
\n
No<\/div>\n<\/td>\n
\n
HO2S_OUT_VOLT PID is not as specified:<\/div>\n
\u2022 Inspect for an intermittent open circuit of the HO2S and the related wiring harness. (See HEATED OXYGEN SENSOR (HO2S) INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See HEATED OXYGEN SENSOR (HO2S) INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
\n
11<\/div>\n<\/td>\n
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INSPECT PURGE CONTROL SYSTEM OPERATION<\/div>\n
\u2022 Perform the Purge Control System Inspection when the engine can be started. (See PURGE SOLENOID VALVE INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See PURGE SOLENOID VALVE INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Is there any malfunction?<\/div>\n<\/td>\n
\n
Yes<\/div>\n<\/td>\n
\n
Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
\n
No<\/div>\n<\/td>\n
\n
Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
\n
12<\/div>\n<\/td>\n
\n
INSPECT IGNITION SYSTEM OPERATION<\/div>\n
\u2022 Reinstall all spark plugs. (See SPARK PLUG REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See SPARK PLUG REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Perform the Spark Test. (See SPARK INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See SPARK INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Is a strong blue spark visible at each cylinder?<\/div>\n<\/td>\n
\n
Yes<\/div>\n<\/td>\n
\n
Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
\n
No<\/div>\n<\/td>\n
\n
Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
\n
13<\/div>\n<\/td>\n
\n
INSPECT ENGINE COMPRESSION<\/div>\n
\u2022 Measure the compression pressure for each cylinder. (See COMPRESSION INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See COMPRESSION INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Are compression pressures within specification?<\/div>\n<\/td>\n
\n
Yes<\/div>\n<\/td>\n
\n
Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
\n
No<\/div>\n<\/td>\n
\n
Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
\n
14<\/div>\n<\/td>\n
\n
INSPECT FUEL LINE PRESSURE<\/div>\n
\u2022 Inspect the fuel line pressure. (See FUEL LINE PRESSURE INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See FUEL LINE PRESSURE INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Is the low side fuel pressure within specification?<\/div>\n
Specification:<\/div>\n
\u2022 475\u2014555 kPa {4.85\u20145.65 kgf\/cm2<\/sup>, 68.9\u201480.4 psi}<\/span><\/div>\n<\/td>\n
\n
Yes<\/div>\n<\/td>\n
\n
Visually inspect for deformed exhaust system parts.<\/div>\n
\u2022 If there is any malfunction:<\/div>\n
\n
\n
\u2015 Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/dd>\n<\/dl>\n<\/td>\n<\/tr>\n
\n
No<\/div>\n<\/td>\n
\n
Zero or low:<\/div>\n
\u2022 Inspect the fuel pump relay and the fuel pump circuit. (See RELAY INSPECTION<\/a>.)<\/div>\n
\u2022 Inspect the fuel line for restriction.<\/div>\n
\n
\n
\u2015 If there is any malfunction:<\/div>\n
\n
\n
\u2022 Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/dd>\n<\/dl>\n
\u2015 If there is no malfunction:<\/div>\n
\n
\n
\u2022 Replace the fuel pump unit and perform the repair completion verification. (Pressure regulator or fuel pump malfunction) (See FUEL PUMP UNIT REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See FUEL PUMP UNIT REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/dd>\n<\/dl>\n<\/dd>\n<\/dl>\n
High:<\/div>\n
\u2022 Replace the fuel pump unit and perform the repair completion verification. (Pressure regulator malfunction) (See FUEL PUMP UNIT REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See FUEL PUMP UNIT REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
\n
15<\/div>\n<\/td>\n
\n
VERIFY CURRENT INPUT SIGNAL STATUS<\/div>\n
\u2022 Access the following PIDs using the M-MDS: (See PID\/DATA MONITOR INSPECTION<\/a>.)<\/div>\n
\n
\n
\u2015 ECT<\/div>\n
\u2015 ECT_VOLT<\/div>\n
\u2015 ECT2<\/div>\n
\u2015 ECT2_VOLT<\/div>\n
\u2015 MAF<\/div>\n
\u2015 A\/F_SEN_CUR (When engine can be started)<\/div>\n
\u2015 HO2S_OUT_VOLT (When engine can be started)<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Are the PIDs normal? (See PID\/DATA MONITOR TABLE [PCM (SKYACTIV-G (US))]<\/a>.)<\/div>\n<\/td>\n
\n
Yes<\/div>\n<\/td>\n
\n
Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
\n
No<\/div>\n<\/td>\n
\n
ECT, ECT_VOLT PIDs are not as specified:<\/div>\n
\u2022 Inspect for an intermittent open circuit of the ECT sensor No.1 and the related wiring harness. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
ECT2, ECT2_VOLT PIDs are not as specified:<\/div>\n
\u2022 Inspect for an intermittent open circuit of the ECT sensor No.2 and the related wiring harness. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
MAF PID is not as specified:<\/div>\n
\u2022 Inspect for an intermittent open circuit of the MAF sensor and the related wiring harness. (See MASS AIR FLOW (MAF) SENSOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See MASS AIR FLOW (MAF) SENSOR INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
A\/F_SEN_CUR PID is not as specified:<\/div>\n
\u2022 Inspect for an intermittent open circuit of the A\/F sensor and the related wiring harness. (See AIR FUEL RATIO (A\/F) SENSOR INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See AIR FUEL RATIO (A\/F) SENSOR INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
\n
15<\/div>\n<\/td>\n
\n
\u2014<\/div>\n<\/td>\n
\n
No<\/div>\n<\/td>\n
\n
HO2S_OUT_VOLT PID is not as specified:<\/div>\n
\u2022 Inspect for an intermittent open circuit of the HO2S and the related wiring harness. (See HEATED OXYGEN SENSOR (HO2S) INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See HEATED OXYGEN SENSOR (HO2S) INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
\n
16<\/div>\n<\/td>\n
\n
INSPECT INTAKE-AIR SYSTEM FOR AIR SUCTION<\/div>\n
\u2022 If the engine cannot be started:<\/div>\n
\n
\n
\u2015 Inspect the intake air system for air leakage.<\/div>\n<\/dd>\n<\/dl>\n
\u2022 If the engine can be started:<\/div>\n
\n
\n
\u2015 Perform the Intake Manifold Vacuum Inspection. (See INTAKE MANIFOLD VACUUM INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See INTAKE MANIFOLD VACUUM INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/dd>\n<\/dl>\n
\u2022 Is air being sucked in from intake air system?<\/div>\n<\/td>\n
\n
Yes<\/div>\n<\/td>\n
\n
Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/td>\n<\/tr>\n
\n
No<\/div>\n<\/td>\n
\n
Go to the next step.<\/div>\n<\/td>\n<\/tr>\n
\n
17<\/div>\n<\/td>\n
\n
INSPECT FUEL LINE PRESSURE<\/div>\n
\u2022 Inspect the fuel line pressure. (See FUEL LINE PRESSURE INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See FUEL LINE PRESSURE INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
\u2022 Is the low side fuel pressure within specification?<\/div>\n
Specification:<\/div>\n
\u2022 475\u2014555 kPa {4.85\u20145.65 kgf\/cm2<\/sup>, 68.9\u201480.4 psi}<\/span><\/div>\n<\/td>\n
\n
Yes<\/div>\n<\/td>\n
\n
Inspect the PCM ground condition.<\/div>\n
\u2022 If there is any malfunction:<\/div>\n
\n
\n
\u2015 Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/dd>\n<\/dl>\n<\/td>\n<\/tr>\n
\n
No<\/div>\n<\/td>\n
\n
Zero or low:<\/div>\n
\u2022 Inspect the fuel pump relay and the fuel pump circuit. (See RELAY INSPECTION<\/a>.)<\/div>\n
\u2022 Inspect the fuel line for restriction.<\/div>\n
\n
\n
\u2015 If there is any malfunction:<\/div>\n
\n
\n
\u2022 Repair or replace the malfunctioning location and perform the repair completion verification.<\/div>\n<\/dd>\n<\/dl>\n
\u2015 If there is no malfunction:<\/div>\n
\n
\n
\u2022 Replace the fuel pump unit and perform the repair completion verification. (Pressure regulator or fuel pump malfunction) (See FUEL PUMP UNIT REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See FUEL PUMP UNIT REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/dd>\n<\/dl>\n<\/dd>\n<\/dl>\n
High:<\/div>\n
\u2022 Replace the fuel pump unit and perform the repair completion verification. (Pressure regulator malfunction) (See FUEL PUMP UNIT REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See FUEL PUMP UNIT REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
\n
Repair completion verification 1<\/div>\n<\/td>\n
\n
VERIFY THAT VEHICLE IS REPAIRED<\/div>\n
\u2022 Install\/connect the part removed\/disconnected during the troubleshooting procedure.<\/div>\n
\u2022 Has the malfunction symptom been eliminated?<\/div>\n<\/td>\n
\n
Yes<\/div>\n<\/td>\n
\n
Complete the symptom troubleshooting. (Explain contents of repair to customer)<\/div>\n<\/td>\n<\/tr>\n
\n
No<\/div>\n<\/td>\n
\n
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.<\/div>\n
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)]<\/a>.)<\/div>\n
\u2022 If the CAN communication is normal, perform the diagnosis from Step 1.<\/div>\n
\n
\n
\u2015 If the malfunction recurs, go to the next step.<\/div>\n<\/dd>\n<\/dl>\n<\/td>\n<\/tr>\n
\n
Repair completion verification 2<\/div>\n<\/td>\n
\n
VERIFY IF MALFUNCTION IS CAUSED BY NOT PERFORMING PCM REPROGRAMMING<\/div>\n
\u2022 Verify repair information and verify that there is a new calibration in the PCM.<\/div>\n
\u2022 Is there a new calibration in the PCM?<\/div>\n<\/td>\n
\n
Yes<\/div>\n<\/td>\n
\n
Perform the PCM reprogramming and verify if the malfunction symptom was corrected.<\/div>\n
\u2022 If the malfunction recurs, replace the PCM. (See PCM REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.) (See PCM REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n
\n
No<\/div>\n<\/td>\n
\n
Replace the PCM.<\/div>\n
(See PCM REMOVAL\/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n
(See PCM REMOVAL\/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))]<\/a>.)<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n

<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

SPARK PLUG CONDITION [SKYACTIV-G] SM2334629 id0103s4891500 Troubleshooting item Spark plug condition Description \u2022 Incorrect spark plug condition. Possible cause Note \u2022 Inspecting the spark plug conditions can determine whether a problem is related to a specific cylinder or possibly all cylinders. Wet\/carbon stuck on specific plug: \u2022 Spark\u2014Weak, not visible \u2022 Air\/fuel mixture\u2014Excessive fuel injection volume \u2022 Compression\u2014No compression, low compression \u2022 Malfunction spark plug Grayish white with specific plug: \u2022 Air\/fuel mixture\u2014Insufficient fuel injection […]<\/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-8994","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/8994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/comments?post=8994"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/8994\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/media?parent=8994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}