P.13A-6 - LIL EVO

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13A-10MULTIPORT FUEL INJECTION (MFI)MULTIPORT FUEL INJECTION (MFI) DIAGNOSISNOTE: If battery cable is disconnected or if the engine controlmodule (ECM) connector is disconnected, the diagnostic troublecodes will be erased. Do not disconnect the battery cable orECM connector until the diagnostic trouble codes have beenrecorded.NOTE: If a DTC is erased, its "freeze frame" data will be alsoerased and the system readiness test status will be reset. Ifnecessary, store the "freeze frame" data before erasing theDTC.1. Connect scan tool MB991502 to the data link connector.2. Turn the ignition switch to the "ON" position.3. Read the diagnostic trouble codes for MFI.4. Refer to the DIAGNOSTIC TROUBLE CODECHART(<strong>P.13A</strong>-25).5. Turn the ignition switch to the "LOCK" (OFF) position andthen back to "ON" again.6. Erase the diagnostic trouble code(s) using MB991502screen prompts.7. Confirm that the diagnostic trouble code output is normal.8. Turn the ignition switch to the "LOCK" (OFF) position.9. Disconnect scan tool MB991502 from the data linkconnector.16-PINMB991824MB991911.Required Special Tools:• MB991958: Scan Tool (MUT-lll Sub Assembly)• MB991824: V.C.I• MB991827: USB Cable• MB991911: Main Harness BCAUTIONTo prevent damage to scan tool MB991958, always turn theignition switch to the "LOCK" (OFF) position before connectingor disconnecting scan tool MB991958.NOTE: If the battery voltage is low, diagnostic trouble codes willnot be set. Check the battery if scan tool MB991958 does notdisplay.1. Connect scan tool MB991958 to the data link connector.2. Turn the ignition switch to the "ON" position.3. Select "Interactive Diagnosis" from the start-up screen.4. Select "System select."5. Choose "MFI" from the "POWER TRAIN" tab.6. Select "MITSUBISHI."7. Select "Diagnostic Trouble Code"8. If a DTC is set, it is shown.9. Choose "Erase DTCs" to erase the DTC.MB991827AK204071ABTSB Revision
MODE 6 REFERENCE TABLEThe engine control module (ECM) monitors the conditionof emission control system.TESTIDMONITORINGITEM01 CatalystmonitorMULTIPORT FUEL INJECTION (MFI)13A-11MULTIPORT FUEL INJECTION (MFI) DIAGNOSISSIMPLE TECHNICALDESCRIPTIONECM monitors the deterioration ofcatalyst by the output frequencyratio between heated oxygensensor (front) and heated oxygensensor (rear).03 EGR monitor ECM monitors the operation ofEGR system by the pressuredifference of intake manifoldbetween before and afterintroduction of EGR using themanifold differential pressuresensor.06 Evaporationleak monitor(Small leak)07 Evaporationleak monitor(Gross leak)After PCM vacuumizes the fueltank and the fuel line and then thespecified time is passed, PCMmonitors the leak of fuelevaporation gas through the fueltank differential pressure sensorto check the reduction of vacuumin the fuel tank.ECM monitors the leak of fuelevaporation gas by checkingwhether the pressure can bereduced (the amount of pressurereduction) using the fuel tankdifferential pressure sensor aftersealing the fuel tank and the fuelline.TSB RevisionPROVISIONAL DTCs [SCAN TOOL MB991502 orMB991958 OBD-II Test Mode − Results (Mode 7)]The scan tool will display the Provisional DTCs reported byengine control module (ECM) if the ECM detects some malfunctionfor "Misfire", "Fuel System" and "Comprehensive"monitoring during a SINGLE Driving Cycle. The intended use ofthis data is to assist the technician after a vehicle repair, andafter clearing diagnostic information, by reporting test resultafter a SINGLE Driving Cycle. Note that the test resultsreported by this mode do not necessarily indicate a faulty component/system.If test results indicate a failure after ADDI-TIONAL (consecutive) driving, then the Malfunction IndicatorLamp (SERVICE ENGINE SOON) will be illuminated and aDTC will set.By selecting MODE 6 using scan tool, Test Resultand Limit Value (minimum) *1 or (maximum) *2 aboutthe main items of emission control system whichECM monitors can be confirmed. The value at thelast monitoring is output by ECM as a test result.INDICATION OF SCANTOOLCatalyst Frequency RatioTest Result and LimitValue (max.)EGR Monitor PressureValue Test Result andLimit Value (min.) kPaEVAP Leak Mon. 1 mmPressure Value TestResult and Limit Value(max.) kPaEVAP Leak Mon. GrossPressure Value TestResult and Limit Value(min.) kPaCONVERSIONCOEFFICIENT INUSING GENERALSCAN TOOL× 0.0039× 0.43 kPa× 0.032 kPa× 0.032 kPa
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