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P.13A-44 - Evo X Service Manuals

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1. A 07 MU805110 COC MASS AIRFLOW SENSOR BLACK BLUE B 10 GBECCBLOSG Q GBCBOOS 63 Us ENGINE CONTROL MODULE 9 6 O 006090900990 704233 TSB Revision 13A 108 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS 5o ERG Hi T 2224 11 Mass airflow sensor 07 25 48 X me A T A 704234 Connector A 2 CIRCUIT OPERATION e The mass airflow sensor power is supplied from the MFI relay terminal No 2 and the ground is provided on the ECM terminal No 88 e A voltage that is according to the mass airflow rate is sent to the ECM terminal No 87 from the mass airflow sensor output terminal terminal No 3 TECHNICAL DESCRIPTION e While the engine is running the mass airflow sensor outputs electric current which corre sponds to the mass airflow rate The ECM converts the electric current into the voltage and checks whether the voltage is within a specified range while the engine is running AK704235 AB DESCRIPTIONS OF MONITOR METHODS Compare load value with mass airflow sensor output voltage MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below
2. ra End AK604318 TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 83 MULTIPORT FUEL INJECTION MFI DIAGNOSIS Check Condition e Ignition switch is ON position OBD II DRIVE CYCLE PATTERN None Judgement Criterion e Throttle position sensor main output voltage TROUBLESHOOTING HINTS The most should be 0 2 volt or less for 0 3 second likely causes for this code to be set are FAIL SAFE AND BACKUP FUNCTION e Throttle position sensor failed Throttle opening degree is restricted Shorted throttle position sensor main circuit l uM harness damage or connector damage e Throttle opening degree position is in default e ECM failed position if throttle position sensor sub fails DIAGNOSIS Required Special Tools e MB991958 Scan tool 1 Sub Assembly e MB991824 V C I e MB991827 USB Cable e MB991910 Main Harness A e MB991658 Test Harness STEP 1 Using scan tool MB991958 check data list item 13 Throttle Position Sensor main CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Detach the intake air hose at the throttle body 4 Disconnect the connector of the throttle position sensor 5 Use test harness special tool MB991
3. MB991827 USB Cable e MB991910 Main Harness A STEP 1 Using scan tool MB991958 check data list item 6 Engine Coolant Temperature Sensor N CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Set scan tool MB991958 to the data reading mode for item 6 Engine Coolant Temperature Sensor e The engine coolant temperature and temperature shown with the scan tool should approximately match 4 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Goto Step 2 MB991827 AC608435 AB STEP 2 Check the engine coolant temperature sensor Refer to Engine Coolant Temperature Sensor Check P 13A 907 Q Is the engine coolant temperature sensor normal YES Go to Step 3 Replace the engine coolant temperature sensor Then go to Step 9 STEP 3 Check harness connector B 08 at the engine coolant temperature sensor for damage Q Is the harness connector in good condition YES Go to Step 4 Repair or replace it
4. 300secs have passed Good Malfunction AK704248 nm Then the engine coolant temperature has contin Check Conditions Judgement Criteria ued to be 40 C 104 F or lower for 5 minutes e Engine coolant temperature decreases from higher than 40 C 104 F to lower than 40 C 104 F TSB Revision MULTIPORT FUEL INJECTION MFI 13 195 SET CONDITIONS Range Performance problem low input Time to reach closed loop temperature Logic Flow Chart Start conditions Engine dl coolant gt 0560 loop temp enable temp Yes Specified time has passed after engine start Malfunction Good AK604320 Check Conditions Judgement Criteria About 90 300 seconds have passed for the engine coolant temperature to rise to about 72 Refer to Diagnostic Function OBD II Drive Cycle 45 F after starting sequence was completed Pattern 8 P 13A 9 However time is not counted when fuel is shut TROUBLESHOOTING HINTS The most likely off causes for this code to be set are e Engine coolant temperature sensor failed e Harness damage in engine coolant temperature OBD II DRIVE CYCLE PATTERN FAIL SAFE AND BACKUP FUNCTION e Control as if the engine coolant temperature is 80 C sensor circuit or connector damage e ECM failed TSB Revision
5. 13 52 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Start Monitoring conditions Cam angle target gt 5 CA Continuous failure for 5secs Malfunction Good Check Conditions e More than 20 seconds have passed since the engine starting sequence was completed e Engine speed is 1 188 r min or more e Engine coolant temperature is higher than 76 C 169 Judgment Criterion e The phase angle of the intake camshaft is 5 degrees or more for 5 seconds FAIL SAFE AND BACKUP FUNCTION e None Cam angle Intake valve open timing intake side Exhaust valve close timing exhaust side AK704222 OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 20 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Intake engine oil control valve failed Oil passage of variable valve timing control sys tem clogged e Intake variable valve timing sprocket operation mechanism stuck e ECM failed TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 53 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSIS Required Special Tools e MB991958 Scan tool 1 Sub Assembly 991824 991827 05 991910 Main Harness STEP 1 Using scan tool 991958 read the diagnostic trouble
6. The intake air temperature sensor 1 output volt age increases when the resistance increases and decreases when the resistance decreases TECHNICAL DESCRIPTION e The intake air temperature sensor 1 converts the intake air temperature to a voltage The ECM checks whether this voltage is within specified range TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 54 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DESCRIPTIONS OF MONITOR METHODS MONITOR EXECUTION CONDITIONS Intake air temperature sensor 1 output voltage is out Other monitor and Sensor of specified range Other Monitor There is no temporary DTC stored i for the i i bel MONITOR EXECUTION e item monitored below Continuous Sensor The sensor below is determined to be normal e Not applicable DTC SET CONDITIONS Logic Flow Chart e conditions Yes Output voltage 0 2V Yes Output voltage gt 4 6V No Continuous failure for 2secs Malfunction AK604315 Judgement Criterion Intake air temperature sensor 1 output voltage has continued to be 0 2 volt or lower correspond ing to an intake air temperature of 115 C 239 F or higher for 2 seconds Check Condition e 2 seconds or more have passed since the engine starting sequence was completed TSB Revision MULTIPORT FUEL INJECTION MFI 13A 155 MULTIPORT FUEL INJECTION MFI DIAGNOSIS FAIL SAFE AND BACKUP FUNCT
7. 13A 75 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Start Monitoring conditions Yes Current 0 17A or Current 10 5A No Continuous failure for 2secs Malfunction Check Conditions e More than 2 seconds have passed since the engine starting sequence was completed e While the heated oxygen sensor front heater is on e Battery positive voltage is between 11 and 16 5 volts Judgement Criterion e The heated oxygen sensor front heater current has continued to be higher than 10 5 ampere for 2 seconds AK604306 FAIL SAFE AND BACKUP FUNCTION e None OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 2 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Heated oxygen sensor front heater failed ECM failed TSB Revision 13A 76 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS MB991658 Heated oxygen sensor component side connector AK604492AB DIAGNOSIS Required Special Tool e MB991658 Test Harness STEP 1 Check the heated oxygen sensor front 1 Disconnect heated oxygen sensor front connector C 34 and connect test harness special tool MB991658 to the connector on the heated oxygen sensor front side 2 Measure the resistance between heated oxygen se
8. DIAGNOSIS Required Special Tools MB991958 Scan Tool M U T III Sub Assembly MB991824 MB991827 USB Cable e MB991910 Main Harness A STEP 1 Using scan tool MB991958 check data list item 5 Intake Air Temperature Sensor CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Remove the mass airflow sensor from the air intake hose 3 Turn the ignition switch to the ON position 4 Set scan tool MB991958 to the data reading mode for item 5 Intake Air Temperature Sensor 5 Heating the sensor using a hair drier e The indicated temperature increases NOTE Do not allow it to increase over 80 C 176 F 6 Turn the ignition switch to the LOCK OFF position 7 Attach the mass airflow sensor Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Go to Step 2 TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 51 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 2 Check the intake air temperature sensor 1 1 Disconnect the intake air temperature sensor 1 connector A 07 2 Measure the resistance between inta
9. MULTIPORT FUEL INJECTION MFI 1 1 96 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSIS Required Special Tools MB991958 Scan Tool M U T III Sub Assembly MB991824 MB991827 USB Cable e MB991910 Main Harness A STEP 1 Using scan tool MB991958 check data list item 6 Engine Coolant Temperature Sensor CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Set scan tool MB991958 to the data reading mode for item 6 Engine Coolant Temperature Sensor e The engine coolant temperature and temperature shown with the scan tool should approximately match 4 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Goto Step 2 MB991827 AC608435 AB TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 97 MULTIPORT FUEL INJECTION MFI DIAGNOSIS B 08 harness connector harness side AK201572 AH STEP 2 Measure the sensor output voltage at engine coolant temperature s
10. MULTIPORT FUEL INJECTION MFI DIAGNOSIS CIRCUIT OPERATION e 5 volt voltage is applied to the engine coolant temperature sensor output terminal terminal No 1 from the ECM terminal No 26 via the resistor in the ECM The ground terminal terminal No 2 is grounded with ECM terminal No 27 e The engine coolant temperature sensor is a neg ative temperature coefficient type of resistor It has the characteristic that when the engine cool ant temperature rises the resistance decreases e The engine coolant temperature sensor output voltage increases when the resistance increases and decreases when the resistance decreases TECHNICAL DESCRIPTION e The engine coolant temperature sensor converts the engine coolant temperature to a voltage and outputs it e The ECM checks whether this voltage is within a specified range DESCRIPTIONS OF MONITOR METHODS Engine coolant temperature sensor output voltage does not change for specified period when engine coolant temperature sensor output volt age at engine start is over 7 C 45 F MONITOR EXECUTION Once per driving cycle MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Mass airflow sensor e Intake air temperature sensor TSB Revision MULTIPORT FUEL INJECTION MFI 13A 165 MULTIPOR
11. 2 Turn the ignition switch to the ON position 3 Set scan tool MB991958 to the data reading mode for item 8 Manifold Absolute Pressure Sensor e When altitude is 0 m 0 foot 101 kPa 29 8 in Hg e When altitude is 600 m 1 969 feet 95 kPa 28 1 in Hg e When altitude is 1 200 m 3 937 feet 88 kPa 26 0 in Hg When altitude is 1 800 m 5 906 feet 81 kPa 23 9 in Hg 4 Start the engine e When the engine is idling 31 45 kPa 9 1 13 3 in Hg e When the engine is suddenly revved manifold absolute pressure varies 5 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Go to Step 2 STEP 2 Measure the ground voltage at manifold absolute pressure sensor connector B 18 by backprobing 1 Do not disconnect the connector B 18 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 2 and ground by backprobing e Voltage should be 0 5 volt or less 4 Turn the ignition switch to the LOCK OFF position 5 the measured voltage 0 5 volt or less YES Go to Step 6 NO Goto Step 3 TSB Revision 2 MULTIPORT FUEL INJECTION MFI 1 146 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 3 Check harness c
12. 7 Reconfirm the malfunction symptom and carry out a test drive with the drive cycle pattern 8 If DTC is set again carry out an inspection with appropriate diagnostic trouble code procedures 9 If DTC is not set again the malfunction is intermittent For information on how to cope with intermittent malfunctions refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 10 After repairs are completed conduct a road test duplicating the complaint set conditions to confirm the malfunction has been corrected NOTE If the engine control module ECM is replaced Immobilizer Encrypted Code Registration should be carried out refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 M1131155502586 MALFUNCTION INDICATOR LAMP SERVICE ENGINE SOON OR CHECK ENGINE LAMP BRAKE amp Malfunction indicator lamp SERVICE ENGINE Among the on board diagnostic items Malfunction Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp illu minates to notify the driver of an emission control malfunction However when an irregular signal returns to normal and the engine control module judges that it has returned to normal the Malfunction Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp will switch
13. HOW TO PERFORM ACTUATOR TEST Re quired Special Tools MB991958 Scan Tool M U T Ill Sub Assembly MB991824 MB991827 USB Cable e MB991910 Main Harness A TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 7 MULTIPORT FUEL INJECTION MFI DIAGNOSIS A CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector Turn the ignition switch to the ON position Select System select Choose from 2006 MY under MODEL YEAR Check that Vehicle Information contents are correct Choose MFI Select Actuator Test Choose an appropriate item and select the OK button CONDO KRW ND MB991827 AC608435 AB HOW TO DIAGNOSE THE CAN BUS LINES Required Special Tools MB991958 Scan Tool M U T III Sub Assembly MB991824 e MB991827 USB Cable e MB991910 Main Harness A TSB Revision 13A 18 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS 7 991827 608435 A CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB99
14. N gt Drive the vehicle for 30 seconds at the following conditions During the monitor e Engine speed More than 1 800 r min Engine load More than 30 96 less than 80 96 e Throttle position sensor output Less than 3 0 volts e Except fuel cut 4 Stop the vehicle in a safe place and turn the ignition switch to LOCK OFF position 5 Confirm that the diagnostic trouble code DTC is not output TSB Revision Drive cycle pattern MULTIPORT FUEL INJECTION MFI 13A 35 MULTIPORT FUEL INJECTION MFI DIAGNOSIS PATTERN 12 Vehicle speed 22 2 Q 4 4 31 mph Idling Ignition switch LOCK OFF 5 Minutes 5 Seconds 5 Seconds AK402437AC Inspection conditions Engine coolant temperature More than 76 C 169 F Condition of TC SST Shift lever D range Test procedure PATTERN 13 Inspection conditions Start the engine with all the accessories switched OFF Drive the vehicle at 50 km h 31 mph for 5 minutes Release the accelerator pedal for 5 seconds then stop the safe place Increase the speed of the vehicle to 50 km h 31 mph under the following conditions and then drive the vehicle for 30 seconds e Engine speed More than 1 500 r min e Engine load More than 40 Release the accelerator pedal for 5 seconds then stop the safe place Repeat Steps 4 and 5 for 2 times Stop the vehicle in a safe place and turn t
15. Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 MB991827 pee NO Goto Step 2 STEP 2 Check harness connector A 07 at mass airflow sensor and harness connector A 34X at MFI relay for damage Q Is the harness connector in good condition YES Go to Step 3 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 8 STEP 3 Check for harness damage between MFI relay connector A 34X terminal No 2 and mass airflow sensor connector A 07 terminal No 2 Q Is the harness wire in good condition YES Go to Step 4 NO Repair it Then go to Step 8 TSB Revision 13A 112 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS A 07 harness connector component side PRRD AK704236AB STEP 4 Check harness connector B 10 at ECM for damage Q Is the harness connector in good condition YES Go to Step 5 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 8 STEP 5 Check the continuity at mass airflow sensor harness side connector A 07 1 Disconnect the connector A 07 and measure at the harness side 2 Check for the continuity between terminal No
16. e Not applicable Sensor The sensor below is determined to be normal e Throttle position sensor TSB Revision MULTIPORT FUEL INJECTION MFI E Fuen men piagnosis 13 109 DTC SET CONDITIONS Range Performance problem high gt Logic Flow Chart Start Monitoring conditions Output voltage gt 3 5V Continuous failure for 2secs Malfunction AK604308 Check Conditions Judgement Criterion e Throttle position sensor output voltage is 1 0 volt e Mass airflow sensor output voltage has continued or lower to be 3 5 volts corresponding to an air flow rate e Mass airflow sensor output voltage is 4 9 volts of 119 g sec or higher for 2 seconds corresponding to an air flow rate of 387 g sec or lower TSB Revision 13A 110 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Range Performance problem low gt Logic Flow Chart lt 1 8 Check Conditions e Engine speed is 1 500 r min or higher e Throttle position sensor output voltage is 1 5 volts or higher Mass airflow sensor output voltage is 0 2 volt corresponding to an air flow rate of 0 g sec or higher Judgement Criterion e Mass airflow sensor output voltage has continued to be 1 8 volts corresponding to an air flow rate of 10 g sec or lower for 2 seconds Monitoring conditions Yes Output voltage V Ye
17. 13A 200 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 14 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 8 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0125 set YES Retry the troubleshooting NO The inspection is complete DTC P0128 Coolant Thermostat Coolant Temperature Below Thermostat Regulating Temperature TECHNICAL DESCRIPTION e The ECM checks the time for the cooling water temperature to reach the judgement temperature DESCRIPTIONS OF MONITOR METHODS Engine coolant temperature does not reach 77 171 F within specified period after cold start MONITOR EXECUTION Once per driving cycle MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Mass airflow sensor e Engine coolant temperature sensor e Intake air temperature sensor TSB Revision MULTIPORT FUEL INJECTION MFI 22 oiacnosis 201 DTC SET CONDITIONS Logic Flow Chart Start Monitoring conditions Engine coolant temp gt 77 C 171 Specified time has passed after engine start Malfunction End AK604325 Chec
18. 140 F e Engine coolant temperature More than 40 C 104 F e Condition of TC SST Shift lever D range Test 1 Start the engine with all the accessories switched OFF procedure 2 Drive the vehicle for 6 minutes at the following condition During the monitor Vehicle speed More than 50 km h 32 mph e Except fuel cut Stop the vehicle in a safe place and turn the ignition switch to LOCK OFF position Confirm that the diagnostic trouble code DTC is not output TSB Revision MULTIPORT FUEL INJECTION MFI 13A 33 MULTIPORT FUEL INJECTION MFI DIAGNOSIS PATTERN 9 Drive cycle pattern Vehicle speed During the monitor 50 km h 31 mph Ignition 1 switch LOCK OFF 44 minutes Time AK402441AN Inspection e Engine coolant temperature at engine start More than 10 C 50 F less than 60 C conditions 168 F e Intake air temperature at engine start More than 10 C 14 F Dropping of intake air temperature since engine start Less than 5 C 9 F e Condition of TC SST Shift lever D range Start the engine with all the accessories switched OFF Drive the vehicle for 20 minutes at the following conditions During the monitor e Vehicle speed More than 50 km h 32 mph e Except fuel cut NOTE The system is normal if engine coolant temperature will rise more than 82 C 180 F within 44 minutes 3 Stop the vehicle in a safe place and turn the ignition s
19. Engine starts after cranking a while Idling stability Hunting Engine speed doesn t remain constant changes at idle Rough idle Usually a judgement can be based upon the movement of the tachometer pointer and the vibration transmitted to the steering wheel shift lever body etc The engine doesn t idle at the correct speed Incorrect idle speed Engine stall die out Engine stall pass out The engine stalls when the foot is taken from the accelerator pedal regardless of whether the vehicle is moving or not The engine stalls when the accelerator pedal is depressed TSB Revision 13A 50 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS SYMPTOM Hesitation Sag Hesitation is the delay in response of the vehicle speed Vehicle speed engine speed This occurs Hesitation when the accelerator is Normal depressed in order to accelerate Initial from the speed at which the accelerator vehicle is now traveling or a temporary drop in vehicle speed engine speed during such acceleration Serious hesitation is called sag AKX01361AC Poor acceleration Poor acceleration is inability to obtain an acceleration corresponding to the degree of throttle opening even though acceleration is smooth Also the inability to reach maximum speed Stumble Engine speed increase is delayed when the accelerator pedal is initially depressed
20. Go to Step 11 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 14 STEP 11 Check for harness damage between throttle position sensor connector B 11 terminal No 5 and ECM connector B 09 terminal No 12 Q Is the harness wire in good condition YES Go to Step 12 Repair it Then go to Step 14 TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 91 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 12 Check for open circuit short circuit to ground and harness damage between throttle position sensor connector B 11 terminal No 4 and ECM connector B 09 terminal No 10 Q Is the harness wire in good condition YES Go to Step 13 Repair it Then go to Step 14 STEP 13 Replace the throttle body assembly 1 Replace the throttle body assembly 2 Turn the ignition switch to the ON position 3 After the DTC has been deleted read the DTC again 4 Turn the ignition switch to the LOCK OFF position Q Is DTC P0123 set YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B Diagnosis ID Code Registration Judgment Table Vehicles with KOS gt P 42B 12 or GROUP 42C Diagnosis ID Codes Registration Judgment Table Vehicles with WOCM P 42C 9 Then go to Step 14 NO The inspection is complete STEP 14 Using scan tool MB991958 read the diagnostic trouble code DTC 1 Turn the ignition swit
21. It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 STEP 3 Check timing mark on the timing chain Q Is timing chain in out of place YES Repair it Then go to Step 4 NO Check the following items and repair or replace the defective items a Check the timing chain loose b Check the intake variable valve timing sprocket tooth coming off Then go to Step 4 STEP 4 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 20 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0016 set YES Retry the troubleshooting NO The inspection is complete TSB Revision 13 62 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS DTC P0017 Crankshaft camshaft exhaust Position Sensor Phase Problem TECHNICAL DESCRIPTION MONITOR EXECUTION CONDITIONS e The ECM checks the variable valve timing sys Other monitor and Sensor tem for malfunction Other Monitor There is no temporary DTC stored in memory for the item monitored below DESCRIPTIONS OF MONITOR METHODS Not applicable The close timing of the exhaust valve is faster or Sensor The sensor below is determined to be slower than the specified value normal e Camshaft position sensor MONITOR EXECU
22. Nee VON SS D APT NT B Sin Heated oxygen sensor rear AK704232 AB DESCRIPTIONS OF MONITOR METHODS Heated oxygen sensor rear heater current or volt age is out of specified range MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision MULTIPORT FUEL INJECTION MFI 13A 79 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Start Monitoring conditions Yes Current 0 17A or Current 10 5A No Continuous failure for 2secs Malfunction Check Conditions e More than 2 seconds have passed since the engine starting sequence was completed e While the heated oxygen sensor rear heater is on e Battery positive voltage is between 11 and 16 5 volts Judgement Criterion e The heated oxygen sensor rear heater current has continued to be lower than 0 17 ampere for 2 seconds FAIL SAFE AND BACKUP FUNCTION AK604306 Check Conditions e More than 2 seconds have passed since the engine starting sequence was completed e While the heated oxygen sensor rear heater is off e Battery positive voltage is between 11 and 16 5 volts Judgement
23. Time since engine running sec EVAP emission purge SOL duty Evaporative emission purge solenoid duty Fuel level gauge Fuel level gauge Power supply voltage Power supply voltage V Absolute load value Absolute load value Target equivalence ratio Target equivalence ratio Intake air temperature sensor Intake air temperature sensor Throttle actuator Throttle actuator control motor NOTE Data items are displayed on M U T III display but the in line 4 engine is not applicable and its data is Ik displayed as N A or TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 25 MULTIPORT FUEL INJECTION MFI DIAGNOSIS Freeze Frame Data for General Scan Tool COMMON EXAMPLE of PRAMETER DESCRIPTION UNIT or STATE GENERAL SCAN IDENTIFICATION TOOL DISPLAY PID DTCFRZF 02 DTC that caused required freeze frame data storage Uxxxx FUELSYS 1 03 See M U T III Item No CO LOAD PCT 04 See M U T III Item No C2 ECT 05 See M U T III Item No C3 SHRTFT 1 06 See M U T III Item No C4 LONGFT 1 07 See M U T III Item No MAP 0B See M U T III Item No CC RPM 0C See M U T III Item No CD VSS OD See M U T III Item CE SPARKADV OE See M U T III Item No CF IAT OF See M U T III Item No DO MAF 10 See M U T III Item No AA TP 11 See M U T III Item N
24. check data list item 6 Engine Coolant Temperature Sensor CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Set scan tool MB991958 to the data reading mode for item 6 Engine Coolant Temperature Sensor e The engine coolant temperature and temperature shown with the scan tool should approximately match 4 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Goto Step 2 MB991827 AC608435 AB STEP 2 Check harness connector B 08 at the engine coolant temperature sensor for damage Q Is the harness connector in good condition YES Go to Step 3 Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 10 TSB Revision 1 1 78 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS B 08 harness connector component side 604181 STEP 3 Measure the sensor supply voltage at engine coolant temperature sensor harness si
25. the resistance decreases e The intake air temperature sensor 2 output volt age increases when the resistance increases and decreases when the resistance decreases TECHNICAL DESCRIPTION e The intake air temperature sensor 2 converts the intake air temperature to a voltage e The ECM checks whether this voltage is within a specified range AK704400AB DESCRIPTIONS OF MONITOR METHODS Intake air temperature sensor 2 output voltage is out of specified range MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart conditions Yes Yes Continuous failure for 2secs Malfunction lt q Output voltage lt 0 2V 13A 103 Output voltage gt 4 6V No Check Condition e 2 seconds or more have passed since the engine starting sequence was completed Judgement Criterion e Intake air temperature sensor 2 output voltage has continued to be 4 6 volts or higher corre sponding to an intake air temperature of 40 C 40 F or lower for 2 seconds AK604315 OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Functio
26. 09 terminal No 34 NOTE Check harness after checking intermediate connector A 13 If intermediate connector is damaged repair or replace it Refer to GROUP 00E Harness Connector Inspection 00 2 Then go to Step 12 Q Is the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 12 Repair it Then go to Step 12 STEP 8 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 9 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 12 STEP 9 Check for harness damage between MFI relay connector A 34X terminal No 2 and heated oxygen sensor front connector C 34 terminal No 1 Q Is the harness wire in good condition YES Go to Step 10 Repair it Then go to Step 12 STEP 10 Check for harness damage between heated oxygen sensor front connector C 34 terminal No 2 and ECM connector B 09 terminal No 34 NOTE Check harness after checking intermediate connector A 13 If intermediate connector is damaged repair or replace it Refer to GROUP 00E Harness Connector Inspection 00 2 Then go to Step 12 Q Is the harness wire in good condition
27. 31 45 kPa 9 1 13 3 in Hg e When the engine is suddenly revved manifold absolute pressure varies 5 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly MB99 1827 AC608135 AB YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Goto Step 2 TSB Revision 13A 130 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS B 18 harness connector harness side 966 203034 18 harness connector harness side AK203036AM STEP 2 Measure the sensor output voltage at manifold absolute pressure sensor connector B 18 by backprobing 1 Do not disconnect the connector B 18 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 1 and ground by backprobing e When altitude is 0 m 0 foot voltage should be between 1 2 and 1 8 volts e When altitude is 600 m 1 969 feet voltage should be between 1 1 and 1 7 volts e When altitude is 1 200 m 3 937 feet voltage should be between 1 0 and 1 6 volts e When altitude is 1 800 m 5 906 feet voltage should be between 0 9 and 1 5 volts 4 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage normal YES Go to
28. 62 6969676869606 4263424549 47 60 535253525550625969606362 63 62 B 09 AK603948 AD Connector B 08 4 NLP Sao Kyu CCI Vers TEN EN E E Y uA on Engine c olant 2225 M 42 2 temperature sensor Ne M Sa 20 Pe H AK704227 TSB Revision 13A 170 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS CIRCUIT OPERATION e 5 volt voltage is applied to the engine coolant temperature sensor output terminal terminal No 1 from the ECM terminal No 26 via the resistor in the ECM The ground terminal terminal No 2 is grounded with ECM terminal No 27 e The engine coolant temperature sensor is a neg ative temperature coefficient type of resistor It has the characteristic that when the engine cool ant temperature rises the resistance decreases e The engine coolant temperature sensor output voltage increases when the resistance increases and decreases when the resistance decreases TECHNICAL DESCRIPTION e The engine coolant temperature sensor converts the engine coolant temperature to a voltage and outputs it e The ECM checks whether this voltage is within a specified range DESCRIPTIONS OF MONITOR METHODS Engine coolant temperature sensor output voltage is out of specified range MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the
29. 80 C 176 F 0 26 0 36 Heated oxygen sensor output voltage V 0 6 1 0 Heated oxygen sensor heater resistance Q Injector coil resistance Q Front 4 5 8 0 Rear 4 5 8 0 10 5 13 5 at 20 68 F Throttle actuator control motor coil resistance Q 0 3 80 at 20 C 68 F Fuel pump circuit resistor resistance 0 45 0 65 at 20 C 68 F Intake engine oil control valve coil resistance Q 6 9 7 9 at 20 C 68 F Exhaust engine oil control valve coil resistance Q 6 9 7 9 at 20 C 68 F SEALANT AND ADHESIVE SPECIFIED SEALANT ITEM M1131000501490 Engine coolant temperature sensor threaded portion LOCTITE 262 Three bond 1324N or equivalent TSB Revision 991826 991958 MULTIPORT FUEL INJECTION MFI SPECIAL TOOL SPECIAL TOOL Tool number and name MB991958 A MB991824 B MB991827 C MB991910 D MB991911 E MB991914 F MB991825 G MB991826 sub assembly A Vehicle Communication Interface B M U T III USB Cable C M U T III Main Harness A Vehicles with CAN communication system D M U T III Main Harness B Vehicles without CAN communication system E M U T III Main Harness C for Daimler Chrysler models only F M U T III Measurement Adapter G M U T III Trigger Harness Supersession NOTE G MB991826 M U T III Trigger Harness is not necessary
30. Criterion e The heated oxygen sensor rear heater voltage has continued to be lower than 2 0 volts for 2 sec onds e None TSB Revision 13 80 MULTIPORT FUEL INJECTION MFI LL MULTIPORTFUELINJECTION DIAGNOSIS OBD II DRIVE CYCLE PATTERN TROUBLESHOOTING HINTS The most Refer to Diagnostic Function OBD II Drive Cycle likely causes for this code to be set are Pattern 2 P 13A 9 e Open or shorted heated oxygen sensor rear heater circuit or harness damage e Heated oxygen sensor rear heater failed e Connector damage ECM failed DIAGNOSIS Required Special Tools e MB991658 Test Harness e MB992110 Power Plant ECU Check Harness STEP 1 Check harness connector D 35 at the heated oxygen sensor rear for damage Q Is the harness connector in good condition YES Go to Step 2 NO Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 12 STEP 2 Check the heated oxygen sensor rear 1 Disconnect heated oxygen sensor rear connector D 35 and connect test harness special tool MB991658 to the connector on the heated oxygen sensor rear side 2 Measure the resistance between heated oxygen sensor connector terminal No 1 and terminal No 2 Standard value 4 5 8 0 at 207 68 F Q Is the measured resistance between 4 5 and 8 0 at 20 68 F YES Go to Step 3 NO Replace the heated oxygen sensor rear Then go to St
31. Evaporative emission control system incorrect purge flow P 13A 394 P 13A 396 Evaporative emission control system leak detected small leak P 13A 400 Evaporative emission purge solenoid circuit P 13A 412 Evaporative emission ventilation solenoid circuit P 13A 419 Fuel tank differential pressure sensor malfunction Fuel tank differential pressure circuit range performance problem P 13A 426 P 13A 435 Fuel tank differential pressure circuit low input P 13A 444 Fuel tank differential pressure circuit high input P 13A 455 Evaporative emission control system leak detected gross leak P 13A 512 Evaporative emission control system leak detected very small leak P 13A 523 Fuel level sensor main circuit range performance P 13A 534 Fuel level sensor circuit low input P 13A 537 Fuel level sensor circuit high input P 13A 540 Vehicle speed signal malfunction TSB Revision P 13A 542 13A 46 MULTIPORT FUEL INJECTION MFI Idle control system RPM lower than expected P 13A 545 Idle control system RPM higher than expected P 13A 548 Immobilizer malfunction P 13A 551 Power steering pressure switch circuit range performance P 13A 553 Power steering pressure switch circuit intermittent P 13A 560 EEPROM malfunction P 13A 564 Engine control module main processor malfunction P 13A 566 Generato
32. MONITOR EXECUTION CONDITIONS e The ECM checks the variable valve timing sys Other monitor and Sensor tem for malfunction Other Monitor There is no temporary DTC stored in memory for the item monitored below DESCRIPTIONS OF MONITOR METHODS Not applicable The open timing of the intake valve is faster or slower sensor The sensor below is determined to be than the specified value normal e Camshaft position sensor MONITOR EXECUTION Crankshaft position sensor Continuous e Engine coolant temperature sensor e Throttle position sensor e Engine oil control valve TSB Revision MULTIPORT FUEL INJECTION MFI 13A 59 MULTIPORT FUEL INJECTION DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Malfunction Engine oil control valve solenoid OFF Yes Cam angle 0 MIN Yes Continuous failure for 10secs Yes No Cam angle gt Check Conditions Engine speed is between 594 r min 1 500 r min e Engine coolant temperature is between 20 68 F and 88 190 F e Intake engine oil control valve is OFF e 1 second has elapsed after the above mentions have been met Judgment Criterion e The open timing of the intake valve is faster than 25 degrees ATDC for 10 seconds or e The open timing of the intake valve is slower than 5 degrees ATDC for 10 seconds Cam angle Intake valve open timing intake side Exhaust
33. OFF position 7 Disconnect scan tool MB991958 from the data link connector TSB Revision MULTIPORT FUEL INJECTION MFI 13A 23 MULTIPORT FUEL INJECTION MFI DIAGNOSIS ON BOARD DIAGNOSTICS The engine control module ECM monitors the input output signals some signals all the time and others under specified conditions of the ECM When a malfunction continues for a specified time or longer after the irregular signal is initially monitored the ECM judges that a malfunction has occurred After the ECM first detects a malfunction a diagnostic trouble code is recorded when the engine is restarted and the same malfunction is re detected However for items marked with a diagnostic trouble code is recorded on the first detection of the malfunction There are 134 diagnostic items The diagnostic results can be read out with a scan tool Since mem orization of the diagnostic trouble codes is backed up directly by the battery the diagnostic results are memorized even if the ignition key is turned off The diagnostic trouble codes will however be erased when the battery terminal or the ECM connector is disconnected In addition the diagnostic trouble code can also be erased by turning the ignition switch to ON and sending the diagnostic trouble code erase signal from scan tool MB991958 to the ECM Freeze Frame Data for M U T Il SCAN TOOL DISPLAY DATA ITEM NOTE If the sen
34. OXYGEN SENSOR ONT C 34 TO ECM TOECM TOECM WHITE A 13 11213141516171619202122 BLUE BLACK 34 0 OGXGXSXxexxsxexotitat3t3 2 8 960636263626906967686969 6 62 63 62 656673889408 42344856 47 MODULE 516263546566625859606162 704225 TSB Revision MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS Ps NN CIRCUIT OPERATION Power is supplied from the MFI relay terminal No 2 to the heated oxygen sensor front heater The ECM terminal 34 controls continuity to the heated oxygen sensor front heater by turn ing the power transistor in the ECM ON and OFF TECHNICAL DESCRIPTION e The ECM checks whether the heater current is within a specified range when the heater is ener gized DESCRIPTIONS OF MONITOR METHODS Heated oxygen sensor heater front current is out of specified range AK704227 AB ANS Heated oxygen L 2712 KY B o NR SWaX W Seat AK704228 AB MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision MULTIPORT FUEL INJECTION MFI
35. P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 5 NO Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 5 STEP 5 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0097 set YES Retry the troubleshooting NO The inspection is complete DTC P0098 Intake Air Temperature Circuit High Input sensor 2 INTAKE AIR TEMPERATURE SENSOR 2 CIRCUIT B 16 MU802409 INTAKE AIR TEMPERATURE Y SENSOR 2 de T TN 14213147 16516171819 16 i 92023 22 2 2 g9 Ww cw a gt Oa EB 97 98 30375700 2797960 63 2 ENGINE CONTROL MODULE 5 704399 TSB Revision 13A 102 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS 704235 AB CIRCUIT OPERATION e Approximately 5 volts are applied to the intake air temperature sensor 2 output terminal terminal No 1 from the ECM terminal No 98 via the resistor in the ECM The ground terminal termi nal No 2 is grounded with ECM terminal No 97 e The intake air temperature sensor 2 is a negative temperature coefficient type of resistor When the intake air temperature rises
36. Pressure Sensor 1 Turn the ignition switch to the ON position 2 Set scan tool MB9919568 to the data reading mode for item 8 Manifold Absolute Pressure Sensor e When altitude is 0 m 0 foot 101 kPa 29 8 in Hg e When altitude is 600 m 1 969 feet 95 kPa 28 1 in Hg e When altitude is 1 200 m 3 937 feet 88 kPa 26 0 in Hg e When altitude is 1 800 m 5 906 feet 81 kPa 23 9 in Hg 3 Start the engine When the engine is idling 31 45 kPa 9 1 13 3 in Hg e When the engine is suddenly revved manifold absolute pressure varies 4 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 13 STEP 13 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 6 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0106 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIP
37. Q Is the check result normal YES Go to Step 4 Repair it Then go to Step 6 STEP 4 Check exhaust variable valve timing sprocket operation mechanism for being stuck Q Is the check result normal YES Go to Step 5 NO Repair it Then go to Step 6 TSB Revision 13A 58 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS STEP 5 Check the trouble symptoms 1 Carry out test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 20 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0014 set YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 6 It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 STEP 6 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 20 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0014 set YES Retry the troubleshooting NO The inspection is complete DTC P0016 Crankshaft camshaft intake Position Sensor Phase Problem TECHNICAL DESCRIPTION
38. Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 12 Q Is the harness wire in good condition YES Go to Step 11 Repair it Then go to Step 12 STEP 11 Check the trouble symptoms 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle 2 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0037 set YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 12 It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 STEP 12 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 2 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0037 set YES Retry the troubleshooting NO The inspection is complete TSB Revision 13 84 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0038 Heated Oxygen Sensor rear Heater Circuit High HEATED OXYGEN SENSOR REAR HEATER CIRCUIT FUSIBLE LINK 6 RELAY BOX ENGINE COMPARTMENT HEAT
39. Step 10 Power plant ECU check harness connector BEBLDOHODODOODO 0 82 63 DOSLO 8 604177 STEP 10 Check for open circuit and short circuit to ground between manifold absolute pressure sensor connector B 18 terminal No 1 and ECM connector B 09 terminal No 45 Q Is the harness wire in good condition YES Replace the manifold absolute pressure sensor Then go to Step 12 Repair it Then go to Step 12 TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 41 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 11 Using scan tool MB991958 check data list item 8 Manifold Absolute Pressure Sensor 1 Turn the ignition switch to the ON position 2 Set scan tool MB991958 to the data reading mode for item 8 Manifold Absolute Pressure Sensor e When altitude is 0 m 0 foot 101 kPa 29 8 in Hg e When altitude is 600 m 1 969 feet 95 kPa 28 1 in Hg e When altitude is 1 200 m 3 937 feet 88 kPa 26 0 in Hg e When altitude is 1 800 m 5 906 feet 81 kPa 23 9 in Hg 3 Start the engine When the engine is idling 31 45 kPa 9 1 13 3 in Hg e When the engine is suddenly revved manifold absolute pressure varies 4 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service P
40. Step 10 NO Goto Step 3 STEP 3 Measure the sensor supply voltage at manifold absolute pressure sensor connector B 18 by backprobing 1 Do not disconnect the connector B 18 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 3 and ground by backprobing e Voltage should be between 4 9 and 5 1 volts 4 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage between 4 9 and 5 1 volts YES Go to Step 6 NO Goto Step 4 STEP 4 Check harness connector B 18 at the manifold absolute pressure sensor and harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to step 5 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 13 STEP 5 Check for harness damage between manifold absolute pressure sensor connector B 18 terminal No 3 and ECM connector B 09 terminal No 44 Q Is the harness wire in good condition YES Go to Step 12 Repair it Then go to Step 13 TSB Revision 18 harness connector harness side MULTIPORT FUEL INJECTION MFI 1 3A 1 31 MULTIPORT FUEL INJECTION MFI DIAGNOSIS AK203038AM STEP 6 Measure the ground voltage at manifold absolute pressure sensor connector B 18 by backprobing 1 Do not disconnect the connector B 18 2 Turn the ignition switch to the ON position 3 Measure the vol
41. Step 12 Q Is the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 12 Repair it Then go to Step 12 STEP 8 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 9 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 12 STEP 9 Check for harness damage between MFI relay connector A 34X terminal No 2 and heated oxygen sensor rear connector D 35 terminal No 1 NOTE Check harness after checking intermediate connectors 43 and 47 If intermediate connectors are damaged repair or replace them Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 12 Q Is the harness wire in good condition YES Go to Step 10 Repair it Then go to Step 12 TSB Revision MULTIPORT FUEL INJECTION MFI 1 83 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 10 Check for harness damage between heated oxygen sensor rear connector D 35 terminal No 2 and ECM connector B 09 terminal No 35 NOTE Check harness after checking intermediate connectors 13 and C 45 If intermediate connectors are damaged repair or replace them
42. Turn the ignition switch to the LOCK OFF position Q Is DTC P0069 set YES Retry the troubleshooting NO The inspection is complete DTC P0096 Intake Air Temperature Circuit Range Performance Problem sensor 2 INTAKE AIR TEMPERATURE SENSOR 2 CIRCUIT B 16 MU802409 INTAKE AIR TEMPERATURE Y SENSOR 2 2 2 g9 m cw A 13 21314 O 516 718 16 17 2 2 55 a gt Oa B 10 97 98 O C Cx careo Be E ENGINE CONTROL MODULE 0 o3 930203030369 5V AK704399 AB TSB Revision MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS 704235 AB CIRCUIT OPERATION e Approximately 5 volts are applied to the intake air temperature sensor 2 output terminal terminal No 1 from the ECM terminal No 98 via the resistor in the ECM The ground terminal termi nal No 2 is grounded with ECM terminal No 97 e The intake air temperature sensor 2 is a negative temperature coefficient type of resistor When the intake air temperature rises the resistance decreases e The intake air temperature sensor 2 output volt age increases when the resistance increases and decreases when the resistance decreases TECHNICAL DESCRIPTION e The intake air temperature sensor 2 converts the intake air temperature to a voltage e The ECM checks whether this voltage is within a specified range
43. V DA sensor rear Connector 0 35 222 4 2 LU O a See e EL SS uu MONITOR EXECUTION Continuous AK704232 AB MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision 13A 86 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Start Monitoring conditions Yes Current 0 17A or Current 10 5A No Continuous failure for 2secs Malfunction Check Conditions e More than 2 seconds have passed since the engine starting sequence was completed e While the heated oxygen sensor rear heater is on e Battery positive voltage is between 11 and 16 5 volts Judgement Criterion e The heated oxygen sensor rear heater current has continued to be higher than 10 5 ampere for 2 seconds AK604306 FAIL SAFE AND BACKUP FUNCTION e None OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 2 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Heated oxygen sensor rear failed e ECM failed TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 87 MULTIPORT FUEL INJECTION
44. YES Go to Step 11 Repair it Then go to Step 12 TSB Revision 13A 72 MULTIPORT FUEL INJECTION MFI we MUL TIPORT FUEL INJECTION MFI DIAGNOSIS STEP 11 Check the trouble symptoms 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 2 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0031 set YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table lt Vehicles with KOS gt 42 12 or GROUP 42C ID Codes Registration Judgment Table lt Vehicles with WCM gt P 42C 9 Then go to Step 12 NO It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 STEP 12 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 2 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0031 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI 1 73 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0032 Heated Oxygen Sensor front Heater Circuit High HEATED OXYGEN SENSOR FRONT HEATER CIRCUIT FUSIBLE LINK 6 RELAY BOX ENGINE COMPARTMENT HEATED
45. e MB992110 Power Plant ECU Check Harness STEP 1 Using scan tool MB991958 check data list item 10 Mass Airflow Sensor N CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Start the engine and run at idle 3 Set scan tool MB991958 to the data reading mode for item 10 Mass Airflow Sensor 4 Warm up the engine to normal operating temperature 80 C to 95 C 176 F to 203 F e The standard value during idling should be between 1 300 and 1 650 millivolts e When the engine is revved the mass airflow rate should increase according to the increase in engine speed 5 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Goto Step 2 STEP 2 Check harness connector A 07 at mass airflow sensor for damage Q Is the harness connector in good condition YES Go to Step 3 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then to Step 10 STEP 3 Measure the power supply voltage at mass airflow sensor harness side connector A 07 1 Disconnect the connector A 07 and m
46. for acceleration Vehicle 7 Idling Stumble Time AKX01362 AD Shock The feeling of a comparatively large impact or vibration when the engine is accelerated or decelerated Surge This is slight acceleration and deceleration feel usually felt during steady light throttle cruise Most notable under light loads Knocking A sharp sound during driving which sounds like a hammer striking the cylinder walls It makes poor driveability Run on The condition in which the engine continues to run after the ignition Dieseling switch is turned to the LOCK OFF position Also called dieseling TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 51 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSTIC TROUBLE CODE PROCEDURES DTC P0011 Intake Variable Valve Timing System Target Error TECHNICAL DESCRIPTION MONITOR EXECUTION CONDITIONS e The ECM checks the variable valve timing sys Other monitor and Sensor tem for malfunction Other Monitor There is no temporary DTC stored in memory for the item monitored below DESCRIPTIONS OF MONITOR METHODS Not applicable The phase angle of the intake camshaft is higher iv Sensor The sensor below is determined to be than the specified value normal Camshaft position sensor Crankshaft position sensor Engine coolant temperature sensor Throttle position sensor Engine oil control valve MONITOR EXECUTION Continuous TSB Revision
47. for this code to be set are e Intake air temperature sensor 2 failed e Harness damage or connector damage e ECM failed TSB Revision Intake air temperature sensor 2 connector MULTIPORT FUEL INJECTION MFI 1 3A 95 MULTIPORT FUEL INJECTION MFI DIAGNOSIS AK704080AB Intake air temperature sensor 2 AK403661 AE DIAGNOSIS STEP 1 Check the intake air temperature sensor 2 1 Disconnect the intake air temperature sensor 2 connector B 16 2 Measure the resistance between intake air temperature sensor 2 side connector terminal No 1 and No 2 3 Measure resistance while heating the sensor using a hair drier Standard value 13 18 at 20 C 4 F 5 1 6 9 at 0 C 32 F 2 0 3 0 at 20 68 F 0 9 1 5 kQ at 40 C 104 F 0 40 0 78 at 60 140 F 0 23 0 42 kO at 807 C 176 F Q Is the measured resistance at the standard value YES Go to Step 2 Replace the intake air temperature sensor 2 Then go to Step 8 STEP 2 Check harness connector B 16 at the intake air temperature sensor 2 for damage Q Is the harness connector in good condition YES Go to Step 3 NO Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 8 TSB Revision 13A 96 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS B 16 harness connector co
48. item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision MULTIPORT FUEL INJECTION MFI 13A 171 MULTIPORT FUEL INJECTION DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart conditions Output voltage 0 1V No Continuous failure for 2secs Malfunction Yes Output voltage gt 4 6V No Check Condition e 2 seconds or more have passed since the engine starting sequence was completed Judgement Criterion e Engine coolant temperature sensor output volt age has continued to be 0 1 volt or lower for 2 seconds FAIL SAFE AND BACKUP FUNCTION e Control as if the engine coolant temperature is 80 C AK604317 OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Engine coolant temperature sensor failed e Shorted engine coolant temperature sensor cir cuit or connector damage ECM failed TSB Revision 13A 172 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS MB991827 AC608435 AB DIAGNOSIS Required Special Tools MB991958 Scan Tool M U T III Sub Assembly MB991824 MB991827 USB Cable e MB991910 Main Harness A STEP 1 Using scan tool MB991958 check data l
49. memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal Not applicable TSB Revision 13A 122 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart 0 2V Output voltage Check Condition e 3 seconds or more have passed since the ignition switch was turned to ON position Judgement Criterion Mass airflow sensor output voltage has continued to be higher than 4 9 volts corresponding to an air flow rate of 387 g sec for 2 seconds FAIL SAFE AND BACKUP FUNCTION e None Malfunction Output voltage gt 4 9 604310 OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Mass airflow sensor failed e Open mass airflow sensor circuit or connector damage ECM failed TSB Revision MULTIPORT FUEL INJECTION MFI 13A 123 MULTIPORT FUEL INJECTION MFI DIAGNOSIS MB991827 AC608435 AB A 07 harness connector component side 9996 704236 DIAGNOSIS Required Special Tools e MB991958 Scan tool M U T Ill Sub Assembly MB991824 MB991827 USB Cable e MB991910 Main Harness A STEP 1 Using scan tool MB991958 check data l
50. more than 1 5 km h 1 mph 3 Stop the vehicle in a safe place and let the engine idle for 1 minute During the monitor 4 Turn the ignition switch to LOCK OFF position 5 Start the engine and do Steps 1 to 4 again 6 Confirm that the diagnostic trouble code DTC is not output PATTERN 19 Inspection e Engine coolant temperature More than 7 C 45 F less than 36 C 97 F conditions Intake air temperature More than 40 C 14 F e Barometric pressure More than 76 kPa 22 5 inHg Test 1 Start the engine with all the accessories switched OFF procedure 2 Let the engine idle for 1 minute During the monitor 3 Turn the ignition switch to LOCK OFF position 4 Start the engine and do Steps 1 to 3 again 5 Confirm that the diagnostic trouble code DTC is not output PATTERN 20 Inspection Engine coolant temperature More than 77 C 171 F less than 87 C 189 F conditions Barometric pressure More than 76 kPa 22 5 inHg Test Start the engine with all the accessories switched OFF procedure Drive the engine at 1 200 1 500 r min for 30 seconds During the monitor Turn the ignition switch to LOCK OFF position Start the engine and do Steps 1 to 3 again Confirm that the diagnostic trouble code DTC is not output TSB Revision MULTIPORT FUEL INJECTION MFI 13A 39 MULTIPORT FUEL INJECTION MFI DIAGNOSIS PATTERN 21 Inspection En
51. off Immediately after the ignition switch is turned on the Malfunc tion Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp lit for 20 seconds to indicate that the Malfunc tion Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp operates normally NOTE When the Transmission Control Module TCM detects malfunctions related to the TC SST the Malfunction indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp is also illuminated TSB Revision 1 1 0 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS Items Indicated by the Malfunction Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp Intake variable valve timing system target error Exhaust variable valve timing system target error Crankshaft camshaft intake position sensor phase problem Crankshaft camshaft exhaust position sensor phase problem Heated oxygen sensor front heater circuit low Heated oxygen sensor front heater circuit high Heated oxygen sensor rear heater circuit low Heated oxygen sensor rear heater circuit high Abnormal correlation between manifold absolute pressure sensor and barometric pressure sensor Intake air temperature circuit range performance problem sensor 2 Intake air temperature circuit low input sensor 2 Intake air temperature circuit high input sensor 2 Mass airflow circuit range performance problem Mass airflow circuit low input Mass airflow circuit high
52. terminal No 1 and ECM connector B 09 terminal No 26 because of open circuit Then go to Step 10 Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 10 Power plant ECU check harness connector AK604182AB STEP 6 Check the continuity at engine coolant temperature sensor harness side connector B 08 1 Disconnect the connector B 08 and measure at the harness side 2 Check for the continuity between terminal No 2 and ground e Continuity 2 ohms or less B 08 harness connector component side Q Does continuity exist YES Go to Step 9 NO Go to Step 7 AK604180AD TSB Revision 13 180 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 7 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 8 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 10 STEP 8 Check for open circuit between engine coolant sensor connector B 08 terminal No 2 and ECM connector B 09 terminal No 27 Q Is the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to
53. the separated connectors 2 Start the engine Body side harness 3 Measure the voltage between terminal No 87 and ground e When the engine is revved voltage should be increase in response to revving Q Is the measured voltage normal YES Go to Step 9 NO Go to Step 7 Power plant ECU check harness connector 03 105 69 68 604176 STEP 7 Check for open circuit and short circuit to ground between mass airflow sensor connector A 07 terminal No 3 and ECM connector B 10 terminal No 87 Q Is the harness wire in good condition YES Go to Step 8 Repair it Then go to Step 10 TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 1 9 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 8 Replace the mass airflow sensor 1 Replace the mass airflow sensor 2 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 3 Check the diagnostic trouble code DTC Q Is DTC P0102 set YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 10 NO The inspection is complete STEP 9 Using scan tool MB991958 check d
54. 0 at ECM for damage Q Is the harness connector in good condition YES Go to Step 8 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 9 STEP 8 Check for open circuit between intake air temperature sensor 2 connector B 16 terminal No 2 and ECM connector B 10 terminal No 97 NOTE Check harness after checking intermediate connector A 13 If intermediate connector is damaged repair or replace it Repair to GROUP 00E Harness Connector Inspection 00 2 Then go to Step 9 Q Is the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 9 NO Repair it Then go to Step 9 STEP 9 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0098 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 07 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0101 Mass Airflow Circuit Range Performance Problem MASS AIRFLOW SENSOR CIRCUIT FUSIBLE LINK RELAY BOX ENGINE COMPARTMENT
55. 1 P 13A 769 The engine stalls when accelerating pass out 12 P 13A 772 The engine stalls when decelerating 13 P 13A 774 Driving Hesitation sag Stumble Poor acceleration or 14 P 13A 776 Surge Acceleration shock 15 P 13A 779 Knocking 16 P 13A 781 Too high CO and HC concentration when idling 17 P 13A 782 TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 49 MULTIPORT FUEL INJECTION MFI DIAGNOSIS TROUBLE SYMPTOMS INSPECTION REFERENCE PAGE PROCEDURE IM240 test failure Transient mass emission tailpipe test failure 18 P 13A 785 Purge flow test of the evaporative emission 19 P 13A 789 canister failure Pressure test of the evaporative system failure 20 P 13A 789 Generator output voltage is low approximately 12 3 volts 21 P 13A 791 Power supply system and ignition switch IG system 22 P 13A 794 Fuel pump system 23 P 13A 805 Ignition switch ST system and starter relay system lt gt 24 P 13A 818 Ignition switch ST system and starter relay system lt 55 gt 25 P 13A 830 Ignition circuit system 26 P 13A 842 A C system 27 1 847 Engine oil pressure switch system 28 P 13A 849 PROBLEM SYMPTOMS TABLE FOR YOUR INFORMATION SYMPTOM The starter cranks the engine but there is no combustion within the cylinders and the engine won t start The engine starts but then engine soon stalls Won t start Starts up and dies Hard starting
56. 13A 1 GROUP 13A MULTIPORT FUEL INJECTION MFI CONTENTS GENERAL INFORMATION 13A 2 13 901 FUEL PUMP OPERATION CHECK 13A 901 GENERAL SPECIFICATION S 13A 5 MULTIPORT FUEL INJECTION MFI RELAY CONTINUITY 13A 903 SERVICE SPECIFICATION S 13A 6 FUEL PUMP RELAY CONTINUITY SEALANT AND ADHESIVE 13A 6 CHECK 1 903 INJECTOR RELAY CONTINUITY CHECK 13 905 SPECIAL TOOL 13A 7 THROTTLE ACTUATOR CONTROL MOTOR RELAY CONTINUITY CHECK 13A 905 MULTIPORT FUEL INJECTION MFI FUEL PUMP CIRCUIT RESISTOR CHECK 13A 906 DIAGNOSIS 13A 9 INTAKE AIR TEMPERATURE SENSOR TROUBLESHOOTING STRATEGY 13A 9 CHECK 1 906 DIAGNOSTIC FUNCTION 13A 9 ENGINE COOLANT TEMPERATURE FAIL SAFE FUNCTION REFERENCE SENSOR 13A 907 TABLE MRNA 13A 40 HEATED OXYGEN SENSOR CHECK 134 908 DIAGNOSTIC TROUBLE CODE CHART 13 44 INJECTOR 13A 910 SYMPTOM 13A 48 THROTTLE ACTUATOR CONTROL MOTOR DIAGNOSTIC TROUBLE CODE iu seen seu 13A 911 1 51 ENGINE OIL CONTROL VALVE CHECK 134 912 SYMPTOM PROCEDURES 134 737 EVAPORATIVE EMISSION VENTILATION DATA LIST REFERENCE TABLE 13A 852 S
57. 17 ampere for 2 seconds Check Conditions e More than 2 seconds have passed since the engine starting sequence was completed AK604306 e While the heated oxygen sensor front heater is off e Battery positive voltage is between 11 and 16 5 volts Judgement Criterion e The heated oxygen sensor front heater voltage has continued to be lower than 2 0 volts for 2 sec onds FAIL SAFE AND BACKUP FUNCTION e None OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 2 P 13A 9 TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 69 MULTIPORT FUEL INJECTION MFI DIAGNOSIS TROUBLESHOOTING HINTS The most e Heated oxygen sensor front heater failed likely causes for this code to be set ECM failed Open or shorted heated oxygen sensor front heater circuit harness damage or connector damage DIAGNOSIS Required Special Tools e MB991658 Test Harness e MB992110 Power Plant ECU Check Harness STEP 1 Check harness connector C 34 at the heated oxygen sensor front for damage Q Is the harness connector in good condition YES Go to Step 2 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection P OOE 2 Then go to Step 12 STEP 2 Check the heated oxygen sensor front 1 Disconnect heated oxygen sensor front connector C 34 and connect test harness special tool MB991658 to the connector on the heated oxygen sensor front s
58. 1958 to the data link connector 2 Turn the ignition switch to the ON position 3 Select CAN bus diagnosis from the start up screen 4 When the vehicle information is displayed confirm that it matches the vehicle whose CAN bus lines will be diagnosed If they matches go to step 8 f not go to step 5 5 Select the view vehicle information button 6 Enter the vehicle information and select the OK button 7 When the vehicle information is displayed confirm again that it matches the vehicle whose CAN bus lines will be diagnosed f they matches go to step 8 f not go to step 5 8 Select the OK button 9 When the optional equipment screen is displayed choose the one which the vehicle is fitted with and then select the OK button PROVISIONAL DTCs OBD II Test Mode Results Mode 7 The general scan tool will display the Provisional DTCs reported by ECM if the ECM detects some malfunction for Mis fire Fuel System and Comprehensive monitoring during a SINGLE Driving Cycle The intended use of this data is to assist the technician after a vehicle repair and after clearing diagnostic information by reporting test result after a SINGLE Driving Cycle Note that the test results reported by this mode do not necessarily indicate a faulty component system If test results indicate a failure after ADDITIONAL consecutive driv ing then the Malfunction Indicator Lamp SERVICE ENGINE SOON or Check E
59. 2 P0455 P0456 Heated oxygen sensor P0133 P0139 Heated oxygen sensor heater P0031 P0032 P0037 P0038 TSB Revision 13 40 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS After all the Readiness Codes are displayed as NOTE After a repair is made for a DTC the techni Complete the technician is assured that any DTCs cian should drive the OBD II Drive Cycle checking related to the monitor will be displayed if the system that the scan tool MB991958 M U T IIl Sub Assem has a problem That is why some State s I M pro bly displays all the Readiness Codes as Complete grams require the Readiness Code as Complete before they check for DTCs FAIL SAFE FUNCTION REFERENCE TABLE M1131153000857 The control is carried out which keeps the safety driving by the preset controllogic when the diagnosis code is output The diagnosis code having the fail safe function is as follows DIAGNOSTIC ITEM FAIL SAFE AND BACKUP FUNCTION Intake air temperature circuit Control as if the intake air temperature in the range performance problem sensor 2 intake manifold is 25 C Intake air temperature circuit low input Control as if the intake air temperature in the sensor 2 intake manifold is 25 C Intake air temperature circuit high input Control as if the intake air temperature in the sensor 2 intake manifold is 25 C Intake air temperature circuit Control as if the intake air temperatu
60. 2 seconds FAIL SAFE AND BACKUP FUNCTION e Control as if the intake air temperature is 25 C AK604315 OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are Intake air temperature sensor 1 failed e Open intake air temperature sensor 1 circuit or connector damage ECM failed TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 59 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSIS Required Special Tools MB991958 Scan Tool M U T Il Sub Assembly e MB991824 V C I e MB991827 USB Cable e MB991910 Main Harness A e MB992110 Power Plant ECU Check Harness STEP 1 Using scan tool MB991958 check data list item 5 Intake Air Temperature Sensor CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Set scan tool MB991958 to the data reading mode for item 5 Intake Air Temperature Sensor e The intake air temperature and temperature shown with the scan tool should approximately match 4 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent R
61. 3 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0102 Mass Airflow Circuit Low Input MASS AIRFLOW SENSOR CIRCUIT FUSIBLE LINK RELAY BOX ENGINE COMPARTMENT A 07 MU805110 COC MASS AIRFLOW SENSOR BLACK BLUE B 10 GBECCBLOSG Q GBCBOOS 63 Us ENGINE CONTROL MODULE 9 6 O 006090900990 704233 TSB Revision 13A 114 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS Hi T 2224 11 airflow sensor UM e e ae GN 51 T i arii AK704234 AB 07 Connector A 2 CIRCUIT OPERATION e The mass airflow sensor power is supplied from the MFI relay terminal No 2 and the ground is provided on the ECM terminal No 88 e A voltage that is according to the mass airflow rate is sent to the ECM terminal No 87 from the mass airflow sensor output terminal terminal No 3 TECHNICAL DESCRIPTION e While the engine is running the mass airflow sensor outputs voltage which corresponds to the mass airflow rate e The ECM checks whether the voltage output by the mass airflow sensor while the engine is run ning is within a specified range AK704235 AB DESCRIPTIONS OF MONITOR METHODS Mass airflow sensor output voltage is out of specified range MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITION
62. 3A 731 Combination meter time out P 13A 733 NOTE Do not replace the engine control module ECM until a through terminal check reveals there are no short open circuits NOTE Check that the ECM ground circuit is normal before checking for the cause of the problem NOTE After the ECM detects a malfunction a diagnostic trouble code is recorded the next time the engine is started and the same malfunction is re detected However for items marked with a the diagnostic trouble code is recorded on the first detection of the malfunction NOTE Sensor 1 of the heated oxygen sensor indicates the sensor mounted at a position closest to the engine and sensor 2 of the heated oxygen sensor indicates the sensor mounted at the position second clos est to the engine TSB Revision 13A 48 A CAUTION MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS SYMPTOM CHART M1131151502711 During diagnosis a DTC associated with other systems may be set when the ignition switch is turned on with connector s disconnected On completion confirm all systems for DTC s If DTC s are set erase them all CAUTION Disconnecting the battery cables or removing the combination meter will erase the learned value of the fuel gauge To recover the learned value input a vehicle speed by actually driving the vehicle or inputting a simulated vehicle speed and stop the vehicle This
63. 4 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage between 4 9 and 5 1 volts YES Go to Step 6 NO Go to Step 4 STEP 4 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 5 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection P OOE 2 Then to Step 14 STEP 5 Check for open circuit and short circuit to ground between throttle position sensor connector B 11 terminal No 5 and ECM connector B 09 terminal No 12 Q Is the harness wire in good condition YES Go to Step 9 NO Repair it Then go to Step 14 STEP 6 Check the continuity at throttle position sensor harness side connector B 11 1 Disconnect the connector B 11 and measure at the harness side 2 Measure the continuity between terminal No 3 and ground Continuity 2 ohms or less Q Does continuity exist YES Go to Step 10 NO Go to Step 7 STEP 7 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 8 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 14 TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 90 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 8 Check for open circuit and harness damage between throttle position sensor connector B 11 terminal No 3 and ECM connector B 09 term
64. 4 and ground Continuity 2 ohms or less Q Does continuity exist YES Go to Step 6 NO Repair harness wire between mass airflow sensor connector A 07 terminal No 4 and ECM connector B 10 terminal No 88 because of harness damage Then go to Step 8 STEP 6 Check for harness damage between mass airflow sensor connector 07 terminal 3 and ECM connector B 10 terminal No 87 Q Is the harness wire in good condition YES Go to Step 7 Repair it Then go to Step 8 STEP 7 Replace the mass airflow sensor 1 Replace the mass airflow sensor 2 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle 6 P 13A 9 3 Check the diagnostic trouble code DTC Q Is DTC P0101 set YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 8 NO The inspection is complete STEP 8 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle 6 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0101 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 1
65. 42C 9 Then go to Step 6 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 6 STEP 6 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0112 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI 13A 157 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0113 Intake Air Temperature Circuit High Input sensor 1 INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT A 07 MU805110 INTAKE AIR TEMPERATURE E SENSOR 1 INTEGRATED IN CECO MASS AIRFLOW SENSOR LLI i m 5 5 E e B 10 88 89 Q GODXGIODO 6969626862606362 67869 co o2 03 03 MODULE CHAKALAKA 5 Connector 07 c c 72 Intake air temperature J sensor 1 integrated in mass airflow sensor 4 A VAR Ze TA AER CAN 07 GR 2 704234 a US ESN CIRCUIT OPERATION e Approximately 5 volts are applied to the intake air temperature sensor 1 output terminal terminal No 1 from the ECM terminal No 89 via the resistor in the ECM The ground terminal termi nal No 4 is grounded with ECM terminal No 88 e The intake air temperature sensor 1 is a negative temperature coefficient type of re
66. 658 to connect only terminals No 3 No 4 No 5 and No 6 6 Set scan tool MB991958 to the data reading mode for item 13 Throttle Position Sensor main e Output voltage should be between 0 3 and 0 7 volt when the throttle valve is fully closed with your finger e Output voltage should be 4 0 volts or more when the throttle valve is fully open with your finger 7 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Go to Step 2 MB991827 AC608435 AB STEP 2 Check harness connector B 11 at throttle position sensor and harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 3 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection P OOE 2 Then go to Step 7 TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 84 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 3 Check for harness damage between throttle position sensor connector B 11 terminal No 5 and ECM connector B 09 terminal No 12 Q Is the harness wire in good condition YES Go to Step 4 Repair it Then go to Step 7 STEP 4 Check for short circuit to ground and harness damag
67. 704241AB Connector 07 7 FIs A TRS Intake air temperature o sensor 1 integrated in mass 2 sensor 1 M A SE 5 Er sf 7 OR Ny AK704234 AC AK704235 AB TSB Revision 13A 148 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS CIRCUIT OPERATION e Approximately 5 volts are applied to the intake air temperature sensor 1 output terminal terminal No 1 from the ECM terminal No 89 via the resistor in the ECM The ground terminal termi nal No 4 is grounded with ECM terminal No 88 e The intake air temperature sensor 1 is a negative temperature coefficient type of resistor When the intake air temperature rises the resistance decreases e The intake air temperature sensor 1 output volt age increases when the resistance increases and decreases when the resistance decreases TECHNICAL DESCRIPTION e The intake air temperature sensor 1 converts the intake air temperature to a voltage e The ECM checks whether this voltage is within a specified range DESCRIPTIONS OF MONITOR METHODS Intake air temperature sensor 1 output voltage does not change when specified go stop operations are repeated MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicabl
68. AK704400AB DESCRIPTIONS OF MONITOR METHODS Intake air temperature sensor 2 output voltage does not change when specified go stop operations are repeated MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Engine coolant temperature sensor TSB Revision 13A 94 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Monitoring conditions Yes changes No No Yes Malfunction End Check Conditions e Engine coolant temperature is higher than 76 169 F e Repeat 2 or more times drive 1 stop 2 Drive 1 vehicle speed higher than 50 km h 31 mph lasting a total of 60 seconds or more Stop 2 vehicle speed lower than 1 5 km h 1 0 mph lasting 30 seconds or more Judgement Criterion e Changes the intake air temperature is lower than 1 C 1 8 F Intake air temp Go stop operation for specified times No Yes AK604314 FAIL SAFE AND BACKUP FUNCTION e Control as if the intake air temperature in the intake manifold is 25 C OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 7 P 13A 9 TROUBLESHOOTING HINTS The most likely causes
69. ED OXYGEN SENSOR D 35 yo A 4 J 1 IS 15 A 2 2 TOECM 2 45 z RA z 19 2 41516 a a BROWN Co COOSCDOQOOLLGO O ENGINE 2 48 19202226302050902296969 6 62 CONTROL 69 62 656067686960634263626569 6 MODULE 60 6362636266516967686960 6062 63 62 AK704230AB TSB Revision MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS 13A 85 Connector A 13 h N MFI relay gt LU AK704227 AB CIRCUIT OPERATION e Power is supplied from the MFI relay terminal No 2 to the heated oxygen sensor rear heater The ECM terminal No 35 controls continuity to the heated oxygen sensor rear heater by turn ing the power transistor in the ECM ON and OFF TECHNICAL DESCRIPTION e The ECM checks whether the heater current is within a specified range when the heater is ener gized DESCRIPTIONS OF MONITOR METHODS Heated oxygen sensor heater rear current is out of specified range Connectors C 43 C 45 and C 47 5 rj N DZ of zy AK704231 AB ds puo dios ee 2 Heated oxygen
70. EP 2 Check harness connector A 07 at the intake air temperature sensor 1 for damage Q Is the harness connector in good condition YES Go to Step 3 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 6 TSB Revision 13A 156 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS Intake air temperature sensor 1 connector AK704242AB STEP 3 Check the intake air temperature sensor 1 1 Disconnect the intake air temperature sensor 1 connector 07 2 Measure the resistance between intake air temperature sensor 1 side connector terminal No 1 and No 4 e There should be continuity 0 31 17 Q Is the measured resistance between 0 31 and 17 YES Go to Step 4 NO Replace the mass airflow sensor Then go to Step 6 STEP 4 Check for short circuit to ground between intake air temperature sensor 1 connector A 07 terminal No 1 and ECM connector B 10 terminal No 89 Q Is the harness wire in good condition YES Go to Step 5 NO Repair it Then go to Step 6 STEP 5 Check harness connector B 10 at ECM for damage Q Is the harness connector in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P
71. FF 1 procedure 2 Drive the vehicle for 3 minutes at the following conditions During the monitor e Engine speed More than 500 r min less than 3 000 r min e Engine load More than 25 96 e Without rapid accelerator pedal change e Except fuel cut 3 Stop the vehicle in a safe place and turn the ignition switch to LOCK OFF position 4 Start the engine and do Steps 1 to 3 again 5 Confirm that the diagnostic trouble code DTC is not output TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 37 MULTIPORT FUEL INJECTION MFI DIAGNOSIS PATTERN 15 Drive cycle pattern Vehicle speed 50 km h 31 mph Idling Ignition Time switch LOCK OFF 20 seconds 20 seconds AK402438AC Inspection Condition of TC SST Shift lever D range condition Test 1 Start the engine with all the accessories switched OFF procedure 2 Accelerate until the vehicle speed is more than 50 km h 31 mph e Engine speed More than 2 500 r min e Engine load More than 55 3 Stop the vehicle in a safe place and let the engine idle for 20 seconds During the monitor 4 Repeat Steps 2 and 3 for 10 times 5 Stop the vehicle in a safe place and turn the ignition switch to LOCK OFF position 6 Start the engine and do Steps 1 to 5 again 7 Confirm that the diagnostic trouble code DTC is not output PATTERN 16 Drive cycle pattern Vehicle speed During the monitor 50 km h 31
72. FUEL INJECTION MFI 1 1 32 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 11 Measure the sensor output voltage at ECM connector B 09 by using power plant ECU check harness special tool MB992110 1 Disconnect all ECM connectors Connect the power plant ECU check harness special tool MB992110 between the separated connectors 2 Turn the ignition switch to the ON position Body side harness 3 Measure the voltage between terminal No 45 and ground e When altitude is 0 m 0 foot voltage should be between 1 2 and 1 8 volts e When altitude is 600 m 1 969 feet voltage should be between 1 1 and 1 7 volts e When altitude is 1 200 m 3 937 feet voltage should be between 1 0 and 1 6 volts e When altitude is 1 800 m 5 906 feet voltage should be between 0 9 and 1 5 volts 4 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage normal YES Go to Step 12 Repair harness wire between manifold absolute pressure sensor connector B 18 terminal No 1 and ECM connector B 09 terminal No 45 because of harness damage Then go to Step 13 Power plant ECU check harness connector BEBLDOHODODOODO 0 82 63 DOSLO 8 604177 TSB Revision MULTIPORT FUEL INJECTION MFI 22 Fuen piagnosis SATS STEP 12 Using scan tool 991958 check data list item 8 Manifold Absolute
73. FUEL INJECTION MFI DIAGNOSIS AK704227 AB CIRCUIT OPERATION A 5 volt voltage is supplied to the manifold abso lute pressure sensor power terminal terminal No 3 from the ECM terminal No 44 The ground terminal terminal No 2 is grounded with ECM terminal No 46 A voltage that is proportional to the intake mani fold pressure is sent to the ECM terminal No 45 from the manifold absolute pressure sensor out put terminal terminal No 1 TECHNICAL DESCRIPTION e The manifold absolute pressure sensor outputs a voltage which corresponds to the intake manifold pressure e The ECM checks whether this voltage is within a specified range LAN DAN NALS TIRE Manifold absolute Connector B 18 N AK704238AB DESCRIPTIONS OF MONITOR METHODS Compare load value with manifold absolute pressure sensor output voltage MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal Engine coolant temperature sensor Throttle position sensor Mass airflow sensor Intake air temperature sensor Barometric pressure sensor TSB Revision MULTIPORT FUEL INJECTION MFI 22 Fuen oiacnosis TSA T2T DTC SET CONDITIONS Range Performance probl
74. Function OBD II Drive Cycle Pattern 20 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0011 set YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 6 NO It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 STEP 6 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 20 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0011 set YES Retry the troubleshooting NO The inspection is complete DTC P0012 Camshaft Position Timing Over Retarded TECHNICAL DESCRIPTION DTC SET CONDITIONS f the vehicle equipped with 4B11 T C engine Check Condition continues the rough driving like competitive run Ignition switch is ON position ning the running that constantly repeats the cycle of the full opened position of the accelerator Judgment Criterion The learning value for the current phase angle of pedal and the full closed position of the accelera tor pedal the amount of carbon mixed into the engine oil tends to increase This can possibly cause the timin
75. GROUP 00 Harness Connector Inspection 00 2 Then go to Step 8 TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 97 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 7 Check for harness damage between intake air temperature sensor 2 connector B 16 terminal No 1 and ECM connector B 10 terminal No 98 NOTE Check harness after checking intermediate connector A 13 If intermediate connector is damaged repair or replace it Repair to GROUP 00E Harness Connector Inspection 00 2 Then go to Step 8 Q Is the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 8 Repair it Then go to Step 8 STEP 8 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 7 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0096 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS 13A 98 DTC P0097 Intake Air Temperature Circuit Low Input sensor 2 INTAKE AIR TEMPERATURE SENSOR 2 CIRCUIT B 16 MU802409 X2 BLACK YELOW BLACK
76. GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step10 Repair it Then go to Step 10 STEP 9 Check the engine coolant temperature sensor Refer to Engine Coolant Temperature Sensor Check P 13A 907 Q Is the engine coolant temperature sensor normal YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 10 Replace the engine coolant temperature sensor Then go to Step 10 STEP 10 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0118 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 81 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0122 Throttle Position Sensor main Circuit Low Input THROTTLE POSITION SENSOR MAIN CIRCUIT 4 3 5 B 11 0805200 THROTTLE POSITION SENSOR MAIN YELLOW RED GRAY RED YELLOW GRAY ENGINE CONTROL MODULE 5V 252562878792 9 9 9 e AK603950AD Conne
77. ION TROUBLESHOOTING HINTS The most e Control as if the intake air temperature is 25 C likely causes for this code to be set are Intake air temperature sensor 1 failed OBD II DRIVE CYCLE PATTERN e Shorted intake air temperature sensor 1 circuit or Refer to Diagnostic Function OBD II Drive Cycle connector damage Pattern 23 P 13A 9 e ECM failed DIAGNOSIS Required Special Tools MB991958 Scan Tool M U T Il Sub Assembly MB991824 V C I MB991827 USB Cable e MB991910 Main Harness A STEP 1 Using scan tool MB991958 check data list item 5 Intake Air Temperature Sensor A CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Set scan tool MB991958 to the data reading mode for item 5 Intake Air Temperature Sensor e The intake air temperature and temperature shown with the scan tool should approximately match 4 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Goto Step 2 MB991827 AC608435 AB ST
78. MFI DIAGNOSIS MB991658 Heated oxygen sensor component side connector AK604492AB DIAGNOSIS Required Special Tool e MB991658 Test Harness STEP 1 Check the heated oxygen sensor rear 1 Disconnect heated oxygen sensor rear connector D 35 and connect test harness special tool MB991658 to the connector on the heated oxygen sensor rear side 2 Measure the resistance between heated oxygen sensor connector terminal No 1 and terminal No 2 Standard value 4 5 8 0 at 20 C 68 F Q Is the measured resistance between 4 5 and 8 0 at 20 68 F YES Go to Step 2 NO Replace the heated oxygen sensor rear Then go to Step 3 STEP 2 Check the trouble symptoms 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle 2 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0038 set YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 3 It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 STEP 3 Test the OBD II drive cycle 1 Carry out a test drive
79. OLENOID CHECK 13A 913 GENERAL SCAN TOOL GST MODE 01 EVAPORATIVE EMISSION PURGE REFERENCE TABLE 13A 866 SOLENOID CHECK 13A 913 ACTUATOR TEST REFERENCE TABLE gt MANT INIECTOR 13A 914 CHECK AT THE ENGINE CONTROL MODULE ECM iste ccrta i aa ron Edi 13A 872 INSPECTION PROCEDURE USING THROTTLE BODY ASSEMBLY 13A 918 OSCILLOSCOPE facades clave 13A 881 SWEAR IIMS DAMNIS a ON VEHICLE SERVICE 13 891 ENGINE CONTROL RESISTOR 13A 919 COMPONENT LOCATION 134 891 ROI AND MATIN nrbi THROTTLE BODY THROTTLE VALVE AREA CLEANING hex RE RE xa 134 897 ENGINE CONTROL MODULE FUEL PRESSURE TEST 134 897 FUEL PUMP CONNECTOR DISCONNECTION HOW TO REDUCE PRESSURIZED FUEL 13A 920 REMOVAL AND INSTALLATION 13A 920 13A 2 MULTIPORT FUEL INJECTION MFI GENERAL INFORMATION GENERAL INFORMATION The Multiport Fuel Injection System consists of sen sors which detect the engine conditions the ENGINE CONTROL MODULE ECM which controls the sys tem based on signals from these sensors and actua tors which operate under the control of the ECM The ECM carries out activities such as fuel injection control idle air control and ignition timing control In addition the ECM is equipped with several diag nostic test modes w
80. ORT FUEL INJECTION MFI 1 1 34 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0107 Manifold Absolute Pressure Circuit Low Input MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT B 18 MU802723 MANIFOLD ABSOLUTE 11172732 PRESSURE SENSOR p em i T t O 44 45 46 CONTROL MODULE GX2XeXexcxexexto 1232 9606362636306506967686980 5 9 62 96678894 23444546 62 48 535253525550625969606362 63 09 AK604115 AC Connector 18 LAN PYN NALS TIRE Manifold absolute pressure sensor AK704227AB AK704238 AB TSB Revision MULTIPORT FUEL INJECTION MFI 13A 135 MULTIPORT FUEL INJECTION MFI DIAGNOSIS CIRCUIT OPERATION A 5 volt voltage is supplied to the manifold abso lute pressure sensor power terminal terminal No 3 from the ECM terminal No 44 The ground terminal terminal No 2 is grounded with ECM terminal No 46 e A voltage that is proportional to the intake mani fold pressure is sent to the ECM terminal No 45 from the manifold absolute pressure sensor out put terminal terminal No 1 TECHNICAL DESCRIPTION e The manifold absolute pressure sensor outputs a voltage which corresponds to the intake manifold pressure e The ECM checks whether this voltage is within a specified range DESCRIPTIONS OF MONITOR METHODS Manifold absolute pressure sensor output volt
81. PORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS PATTERN 1 Drive cycle pattern 1 500 3 500 r min ENGINE SPEED DURING THE MONITOR IGNITION SWITCH LOCK OFF 2 MINUTES TIME AK402430AJ Inspection conditions Engine coolant temperature More than 82 C 180 F e Barometric pressure More than 76 kPa 22 5 inHg e Condition of TC SST Shift lever D range Test procedure PATTERN 2 Test procedure Start the engine with all the accessories switched OFF Drive the vehicle for 4 minutes at the following conditions During the monitor NOTE When the system is normal the monitor is completed earlier e Vehicle speed More than 30 km h 19 mph e Engine speed More than 1 500 r min less than 3 500 r min Engine load More than 20 less than 60 e Without rapid accelerator pedal movement Stop the vehicle in a safe place and turn the ignition switch to LOCK OFF position Start the engine and do Steps 1 to 3 again NOTE When the vehicle is operating normally and the OBD II Drive Cycle is carried out the Readiness Codes will be set as Complete on the first drive cycle The second drive cycle is required to set the Readiness Codes as Complete if a fault is detected during the first drive cycle Confirm that the diagnostic trouble code DTC is not output Start the engine with all the accessories s
82. ROUP 00 Harness Connector Inspection 00 2 Then go to Step 12 STEP 5 Measure the power supply voltage at ECM connector B 09 by using power plant ECU check harness special tool MB992110 1 Disconnect all ECM connectors Connect the power plant ECU check harness special tool MB992110 between the D separated connectors 2 Turn the ignition switch to the ON position Body side harness ECM AN MB992110 AK604040 AB 3 Measure the voltage between terminal No 34 and ground Voltage should be battery positive voltage 4 Turn the ignition switch to the LOCK OFF position Q Is battery positive voltage approximately 12 volts present YES Go to Step 8 Go to Step 6 Power plant ECU check harness connector 32x X19 9X9X2XeXsSYax9 C 82 63 600928200869040362210919 9 2 0645440342041095988523969 GA 63 63 62 636069686769066562 6362 63 AK604173AB TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 71 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 6 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 7 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 12 STEP 7 Check for open circuit and short circuit to ground between heated oxygen sensor front connector C 34 terminal No 2 and ECM connector B
83. Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 9 TSB Revision 08 harness connector component side MULTIPORT FUEL INJECTION MFI 1 3A 1 67 MULTIPORT FUEL INJECTION MFI DIAGNOSIS AK604180AD STEP 4 Check the continuity at engine coolant temperature sensor harness side connector B 08 1 Disconnect the connector B 08 and measure at the harness side 2 Check for the continuity between terminal No 2 and ground Continuity 2 ohms or less Q Does continuity exist YES Go to Step 7 NO Goto Step 5 STEP 5 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 6 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection P OOE 2 Then go to Step 9 STEP 6 Check for harness damage between engine coolant temperature sensor connector B 08 terminal No 2 and ECM connector B 09 terminal No 27 Q Is the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 9 NO Repair it Then go to Step 9 STEP 7 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 8 Repair or rep
84. S Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal Not applicable TSB Revision MULTIPORT FUEL INJECTION MFI 13A 115 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart 0 2V Output voltage Check Condition e 3 seconds or more have passed since the ignition switch was turned to ON position Judgement Criterion e Mass airflow sensor output voltage has continued to be lower than 0 2 volt corresponding to an air flow rate of 0 g sec for 2 seconds FAIL SAFE AND BACKUP FUNCTION e None Malfunction Output voltage gt 4 9 604310 OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Mass airflow sensor failed e Open or shorted mass airflow sensor circuit or connector damage ECM failed TSB Revision 13A 1 16 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS MB991827 AC608435 AB A 07 harness connector side AK704237AB DIAGNOSIS Required Special Tools MB991958 Scan tool M U T Il Sub Assembly MB991824 V C I e MB991827 USB Cable e MB991910 Main Harness A
85. T Il Sub Assembly MB991824 MB991827 USB Cable e MB991910 Main Harness A A CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool 991958 1 Ensure that the ignition switch is at the LOCK OFF S position Data link connector 2 Start up the personal computer 3 Connect special tool MB991827 to special tool MB991824 and the personal computer 4 Connect special tool MB991910 to special tool MB991824 Connect special tool MB991910 to the data link connector 6 Turn the power switch of special tool MB991824 to the ON position NOTE When the special tool MB991824 is energized spe cial tool MB991824 indicator light will be illuminated in a green color Start the M U T III system on the personal computer NOTE Disconnecting the scan tool MB991958 is the reverse of the connecting sequence making sure that the ignition switch is at the LOCK OFF position 991827 608435 TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 5 MULTIPORT FUEL INJECTION MFI DIAGNOSIS HOW TO READ AND ERASE DIAGNOSTIC TROUBLE CODES Required Special Tools MB991958 Scan Tool M U T III Sub Assembly MB991824 V C I MB991827 USB Cable e MB991910 Main Harness A A CAUTION To prevent damage to scan tool MB991958 always
86. T FUEL INJECTION DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Start measuring the minimum and maximum temperature from engine start Monitoring conditions lt 1 C 1 8 F 300secs have passed Yes Malfunction _ mam Calculate the difference of the minimum and the maximum temperature from engine start dt Good Check Condition e Engine coolant temperature was 7 C 45 F or more when the engine started Judgement Criteria Engine coolant temperature fluctuates within 1 C 1 8 F after 5 minutes have passed since the engine was started However time is not counted if any of the follow ing conditions are met 1 Intake air temperature is 60 C 140 or more 703879 2 Mass airflow sensor outputs is 10 g sec or less 3 During fuel shut off operation FAIL SAFE AND BACKUP FUNCTION e Control as if the engine coolant temperature is 80 C OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 8 P 13A 9 TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 66 MULTIPORT FUEL INJECTION MFI DIAGNOSIS TROUBLESHOOTING HINTS The most e Harness damage or connector damage likely causes for this code to be set ECM failed e Engine coolant temperature sensor failed DIAGNOSIS Required Special Tools MB991958 Scan Tool M U T Il Sub Assembly MB991824
87. TER CIRCUIT FUSIBLE LINK 66 RELAY BOX ENGINE COMPARTMENT HEATED OXYGEN SENSOR 2 z z 2 45 z 19 2 41516 a a BROWN Co COOSCDOQOOLLGO O ENGINE 2 48 19202226302050902296969 6 62 CONTROL 69 62 656067686960634263626569 6 MODULE 60 6362636266516967686960 6062 63 62 AK704230AB TSB Revision MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS ve aN CIRCUIT OPERATION e Power is supplied from the MFI relay terminal No 2 to the heated oxygen sensor rear heater e The ECM terminal No 35 controls continuity to the heated oxygen sensor rear heater by turn ing the power transistor in the ECM ON and OFF AK704227AB TECHNICAL DESCRIPTION e The ECM checks whether the heater current is within a specified range when the heater is ener gized e The ECM checks whether the heater voltage is within a specified range when the heater is not energized d C 47 4 A Connectors C 43 C 45 an i AK704231AB Connector D 35 2 PA ELIE Eo gt
88. TION Crankshaft position sensor Continuous e Engine coolant temperature sensor e e Throttle position sensor Engine oil control valve TSB Revision MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Start 13A 63 Monitoring conditions Malfunction Check Conditions e Engine speed is between 594 r min and 1 500 r min Engine coolant temperature is between 20 C 68 F and 887 190 F e Exhaust engine oil control valve is OFF e 1 second has elapsed after the above mentions have been met Judgment Criterion The close timing of the exhaust valve is faster than 15 degrees for 10 seconds or The close timing of the exhaust valve is slower than 15 degrees ATDC for 10 seconds Yes Engine oil control valve solenoid OFF Yes Cam angle 0 MIN Yes Continuous failure for 10secs Yes No Cam angle gt Cam angle Intake valve open timing intake side Exhaust valve close timing exhaust side Maximum threshold value MIN Minimum threshold value AK604370 FAIL SAFE AND BACKUP FUNCTION e None OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 20 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Timing chain in out of place Loose timing chain e Exha
89. TION MFI DIAGNOSTIC ITEM Heated oxygen sensor rear circuit slow response P 13A 238 Heated oxygen sensor rear circuit no activity detected P 13A 242 System too lean P 13A 246 System too rich P 13A 252 Fuel tank temperature sensor circuit range performance P 13A 258 Fuel tank temperature sensor circuit low input P 13A 265 Fuel tank temperature sensor circuit high input P 13A 270 Injector circuit cylinder 1 P 13A 277 Injector circuit cylinder 2 P 13A 287 Injector circuit cylinder 3 P 13A 297 Injector circuit cylinder 4 P 13A 307 Throttle position sensor sub circuit low input Throttle position sensor sub circuit high input P 13A 317 P 13A 323 Turbocharger wastegate system malfunction P 13A 328 Turbocharger wastegate solenoid 1 circuit Turbocharger wastegate solenoid 2 circuit P 13A 330 P 13A 337 Random multiple cylinder misfire detected Cylinder 1 misfire detected P 13A 343 P 13A 348 Cylinder 2 misfire detected P 13A 351 Cylinder 3 misfire detected P 13A 354 Cylinder 4 misfire detected P 13A 357 Knock sensor circuit low P 13A 361 Knock sensor circuit high P 13A 364 Crankshaft position sensor circuit P 13A 367 Intake camshaft position sensor circuit P 13A 377 Exhaust camshaft position sensor circuit P 13A 385 Warm up catalyst efficiency below threshold
90. Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Go to Step 2 STEP 2 Measure the sensor supply voltage at manifold absolute pressure sensor connector B 18 by backprobing 1 Do not disconnect the connector B 18 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 3 and ground by backprobing e Voltage should be between 4 9 and 5 1 volts 4 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage between 4 9 and 5 1 volts YES Go to Step 8 NO Goto Step 3 TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 38 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 3 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 4 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 12 STEP 4 Measure the sensor supply voltage at ECM connector B 09 by using power plant ECU check harness special tool MB992110 1 Disconnect all ECM connectors Connect the power plant ECU check harness special tool MB992110 between the separated connectors 2 Turn the ignition switch to the ON position B
91. URER DEFIND TEST ID MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS MONITORING ITEM Mis Fire Cylinder 2 Data EWMA Misfire Counts For Last 10 Driving Cycles SIMPLE TECHNICAL DESCRIPTION ECM monitors angular acceleration of crankshaft and detect misfire EWMA Exponential Weighted Moving Average misfire counts for last 10 driving cycles 13A 21 CONVERSION COEFFICIENT IN USING GENERAL SCAN TOOL x 1 count Mis Fire Cylinder 2 Data Misfire Counts For Last Current Driving Cycle ECM monitors angular acceleration of crankshaft and detect misfire Misfire counts for last current driving cycle x 1 count Mis Fire Cylinder 3 Data EWMA Misfire Counts For Last 10 Driving Cycles ECM monitors angular acceleration of crankshaft and detect misfire EWMA Exponential Weighted Moving Average misfire counts for last 10 driving cycles x 1 count Mis Fire Cylinder 3 Data Misfire Counts For Last Current Driving Cycle ECM monitors angular acceleration of crankshaft and detect misfire Misfire counts for last current driving cycle x 1 count Mis Fire Cylinder 4 Data EWMA Misfire Counts For Last 10 Driving Cycles ECM monitors angular acceleration of crankshaft and detect misfire EWMA Exponential Weighted Moving Average misfire counts for last 10 driving cycles x 1 count NOTE 1 Minimum value Mis Fire Cylinder 4 Data Misfire Counts For Last Cu
92. YELOW B 10 27 6 cade 63 62 6868626869606162 DEDOTTO 3530203030363 62 9 AK704235 AB CIRCUIT OPERATION e Approximately 5 volts are applied to the intake air temperature sensor 2 output terminal terminal No 1 from the ECM terminal No 98 via the resistor in the ECM The ground terminal termi nal No 2 is grounded with ECM terminal No 97 e The intake air temperature sensor 2 is a negative temperature coefficient type of resistor When the intake air temperature rises the resistance decreases INTAKE AIR TEMPERATURE SENSOR 2 z 13 EE R 213141 61 718 17 12131415161718 2 el or 98 ENGINE CONTROL MODULE 5V AK704399 AB B 16 6 xX Connector B pa Q SOS D Q JN CS Intake air temperature N ATN sensor 2 NA AK704400AB e The intake air temperature sensor 2 output volt age increases when the resistance increases and decreases when the resistance decreases TECHNICAL DESCRIPTION e The intake air temperature sensor 2 converts the intake air temperature to a voltage The ECM checks whether this voltage is within a specified range TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 99 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DESCRIPTIONS OF MONITOR METHODS MONITOR EXECUTION CONDITIONS Intake air temperature sensor 2 outp
93. a list to judge whether these monitor items are normal TSB Revision 13A 26 DRIVE CYCLE PATTERN LIST MONITOR ITEM MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSTIC TROUBLE CODE DTC Heated oxygen sensor front monitor Readiness test item P0133 Heated oxygen sensor heater monitor Readiness test item P0031 P0032 P0037 P0038 Catalytic converter monitor Readiness test item P0420 Evaporative emission system leak monitor small leak and gross leak Readiness test item P0442 P0455 Evaporative purge system monitor Fuel tank pressure sensor monitor Evaporative emission system leak monitor very small leak Readiness test item P0456 Airflow sensor monitor P0101 Manifold absolute pressure MAP sensor monitor P0106 P0107 Intake air temperature sensor monitor P0096 P0111 Engine coolant temperature sensor monitor P0116 P0125 Thermostat monitor P0128 Heated oxygen sensor rear monitor Readiness test item Air fuel ratio feedback monitor Heated oxygen sensor rear monitor Fuel tank temperature sensor monitor Misfire monitor P0300 P0301 P0302 P0303 P0304 Fuel tank pressure sensor monitor P0451 Power steering pressure switch monitor P0554 Throttle position sensor plausibility monitor P1233 P1234 Mass airflow sensor pla
94. a the accelerator pedal position sensor and controls the actuation of the throttle actuator control motor which is mounted on the throttle body in order to attain the target throttle valve opening that has been predetermined in accor dance with driving conditions M1131000103669 IDLE AIR CONTROL The idle speed is kept at the optimum speed by con trolling the amount of air that passes through the throttle valve in accordance with changes in idling conditions and engine load during idling The ECM drives the throttle actuator control motor to keep the engine running at the pre set idle target speed in accordance with the engine coolant temper ature and A C and other electrical load In addition when the air conditioning switch is turned off and on while the engine is idling the throttle actuator control motor adjusts the throttle valve pass through air amount according to the engine load conditions to avoid fluctuations in the engine speed IGNITION TIMING CONTROL The ignition power transistor located in the ignition primary circuit turns ON and OFF to control the pri mary current flow to the ignition coil This controls the ignition timing to provide the optimum ignition timing with respect to the engine operating conditions The ignition timing is determined by the ECM from engine speed intake air volume engine coolant tempera ture and atmospheric pressure DIAGNOSTIC TEST MODE e When a fault is detected in one of the s
95. age is out of specified range MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal Engine coolant temperature sensor Throttle position sensor Mass airflow sensor Intake air temperature sensor Barometric pressure sensor TSB Revision 13A 136 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Monitoring conditions Pressure lt 5kPa 1 5in Hg Continuous failure for 2secs Yes Malfunction Pressure gt 117kPa 34 6in Hg Check Conditions e 8 minutes or more have passed since the engine starting sequence was completed when the engine coolant temperature at engine start is 0 C 32 F or lower e Volumetric efficiency is 20 percent or higher Judgement Criterion e Manifold absolute pressure sensor output voltage has continued to be 0 2 volt corresponding to a manifold absolute pressure of 13 kPa 3 8 in Hg or lower for 2 seconds FAIL SAFE AND BACKUP FUNCTION e None AK604313 OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 6 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Manifold absol
96. ain Output voltage should be between 0 3 and 0 7 volt when the throttle valve is fully closed with your finger e Output voltage should be 4 0 volts or more when the throttle valve is fully open with your finger 7 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use MECU IGRT Troubleshooting Inspection Service Points How Cope with Intermittent Malfunctions P 00 15 NO Goto Step 2 STEP 2 Check harness connector B 11 at throttle position sensor for damage Q Is the harness connector in good condition YES Go to Step 3 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 14 TSB Revision 11 harness connector component side MULTIPORT FUEL INJECTION MFI 1 3A 1 89 MULTIPORT FUEL INJECTION MFI DIAGNOSIS AK203049AG B 11 harness connector component side Nl ENV ANV 9 NV NV 32 me a eS AK203051 AH STEP 3 Measure the sensor supply voltage at throttle position sensor harness side connector B 11 1 Disconnect the connector B 11 and measure at the harness side 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 5 and ground e Voltage should be between 4 9 and 5 1 volts
97. anifold absolute pressure sensor TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 89 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Start Monitoring conditions Barometric pressure manifold pressure gt 9kPa 2 7 in Hg No Continuous failure for 2secs Malfunction AK704095 Check Conditions FAIL SAFE AND BACKUP FUNCTION Ignition switch is in LOCK OFF position e None e After 2 seconds pass from the time when the engine is stopped E e Engine coolant temperature is higher than 0 C DRIVE CYCLE PATTERN 32 F None Judgement Criterion TROUBLESHOOTING HINTS The most e Difference between manifold absolute pressure sensor output and barometric pressure sensor likely causes for this code to be set are output is more than 9 kPa 2 7 in Hg for 2 sec e Manifold absolute pressure sensor failed onds e Barometric pressure sensor failed e ECM failed TSB Revision 13A 90 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSIS Required Special Tools e MB991958 Scan tool 1 Sub Assembly 991824 991827 05 991910 Main Harness STEP 1 Using scan tool 991958 read the diagnostic trouble code DTC A CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position
98. ata list item 10 Mass Airflow Sensor 1 Start the engine and run at idle 2 Set scan tool MB991958 to the data reading mode for item 10 Mass Airflow Sensor 3 Warm up the engine to normal operating temperature 80 C to 95 C 176 F to 203 F e The standard value during idling should be between 1 300 and 1 650 millivolts e When the engine is revved the mass airflow rate should increase according to the increase in engine speed 4 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 10 STEP 10 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0102 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 20 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0103 Mass Airflow Circuit High I
99. ator pedal for 5 seconds 4 Drive the vehicle for 3 minutes at the following conditions During the monitor e Engine speed Less than 3 500 r min Airflow rate More than 13 g sec less than 45 g sec Accelerator pedal Except full close Without rapid accelerator pedal movement NOTE When the system is normal the monitor is completed earlier 5 Stop the vehicle in a safe place and turn the ignition switch to LOCK OFF position 6 Start the engine and do Steps 1 to 5 again NOTE When the vehicle is operating normally and the OBD II Drive Cycle is carried out the Readiness Codes will be set as Complete on the first drive cycle The second drive cycle is required to set the Readiness Codes as Complete if a fault is detected during the first drive cycle 7 Confirm that the diagnostic trouble code DTC is not output TSB Revision 13A 30 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS PATTERN 4 Drive cycle pattern Engine speed During the monitor 1 600 4 000 r min Ignition switch LOCK OFF 16 Minutes Time AK402430AI Inspection conditions Engine coolant temperature at engine start Less than 36 C 96 F Intake air temperature at engine start Less than 36 C 96 F Fuel amount at engine start More than 15 less than 40 Engine coolant temperature More than 60 C 41 F Intake air temperature More than 5 C 41 F Barometric pres
100. before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Set scan tool MB991958 read the DTC 4 Turn the ignition switch to the LOCK OFF position Q Is the diagnostic trouble code other than P0069 set YES Refer to Diagnostic Trouble Code Chart P 13A 44 NO Goto Step 2 MB991827 AC608435 AB TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 91 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 2 Using scan tool MB991958 check data list item 8 Manifold Absolute Pressure Sensor 1 Turn the ignition switch to the ON position 2 Set scan tool MB9919568 to the data reading mode for item 8 Manifold Absolute Pressure Sensor e When altitude is 0 m 0 foot 101 kPa 29 8 in Hg e When altitude is 600 m 1 969 feet 95 kPa 28 1 in Hg e When altitude is 1 200 m 3 937 feet 88 kPa 26 0 in Hg e When altitude is 1 800 m 5 906 feet 81 kPa 23 9 in Hg 3 Start the engine e When the engine is idling 16 36 kPa 4 7 10 6 in Hg e When the engine is suddenly revved manifold absolute pressure varies 4 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES Go to Step 3 Refer to DTC P0106 Manifold Absolute Pressure Circuit Range Performance Problem P 13A 125 DTC P0107 Manifold Abs
101. ce the ECM When the ECM is replaced register the ID code Refer to GROUP 42B Diagnosis ID Code Registration Judgment Table Vehicles with KOS gt P 42B 12 or GROUP 42C Diagnosis ID Codes Registration Judgment Table Vehicles with WCM P 42C 9 Then go to Step 7 NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI E 13 185 STEP 7 Using scan tool MB991958 read the diagnostic trouble code DTC 1 Turn the ignition switch to the ON position 2 After the DTC has been deleted read the DTC again 3 Turn the ignition switch to the LOCK OFF position Q Is DTC P0122 set YES Retry the troubleshooting NO The inspection is complete DTC P0123 Throttle Position Sensor main Circuit High Input THROTTLE POSITION SENSOR MAIN CIRCUIT THROTTLE POSITION SENSOR MAIN 3 x ao i5 5 x z a lt O m es gt Q 0000000000069 9 QQDHHDOHOGHLGDS 2 8 96003226302052862090969 6 62 63 62 68566 7889494 1426 3444549 67 60 6362636265696766969 60 6362 B 09 ENGINE CONTROL MODULE AK603950AD TSB Revision 13A 186 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS AK704227 AB CIRCUIT OPERATION e A 5 volt power supply is applied on the throttle position sensor main power terminal terminal No 5 from
102. ch to the ON position 2 After the DTC has been deleted read the DTC again 3 Turn the ignition switch to the LOCK OFF position Q Is DTC P0123 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 92 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT B 08 MU802406 ENGINE COOLANT A TEMPERATURE SENSOR 12 O lt E 27 26 ENGINE CONTROL MODULE SS O GX2Xexexzxexextot 26362 9 2 B 49292922232465000208090 61 62 63 62 6969676869606 4263424549 47 60 535253525550625969606362 63 62 B 09 AK603948 AD Connector B 08 4 NLP Sao Kyu CCI Vers TEN EN E E Y uA on Engine c olant 2225 M 42 2 temperature sensor Ne M Sa 20 Pe H AK704227 TSB Revision MULTIPORT FUEL INJECTION MFI x Fuen piagnosis 13 193 CIRCUIT OPERATION DESCRIPTIONS OF MONITOR METHODS e 5 volt voltage is applied to the engine coolant e Engine coolant temperature sensor output volt temperature sensor output terminal terminal No 1 from the ECM terminal No 26 via the resistor in the ECM The ground terminal terminal No 2 is grounded with ECM terminal No 27 The engin
103. cle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 9 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0128 set YES Retry the troubleshooting NO The inspection is complete TSB Revision
104. code DTC A CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Set scan tool MB991958 read the DTC 4 Turn the ignition switch to the LOCK OFF position Q Is the diagnostic trouble code other than P0011 set YES Refer to Diagnostic Trouble Code Chart P 13A 44 NO Goto Step 2 MB991827 AC608435 AB STEP 2 Check intake engine oil control valve itself e Check intake engine oil control valve itself Refer to Engine Oil Control Valve Check P 13A 912 Q Is the check result normal YES Go to Step 3 Replace intake engine oil control valve Then go to Step 6 STEP 3 Check oil passage of intake variable valve timing control system for being clogged Q Is the check result normal YES Go to Step 4 Repair it Then go to Step 6 STEP 4 Check intake variable valve timing sprocket operation mechanism for being stuck Q Is the check result normal YES Go to Step 5 NO Repair it Then go to Step 6 TSB Revision 13 54 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS STEP 5 Check the trouble symptoms 1 Carry out test drive with the drive cycle pattern Refer to Diagnostic
105. ctor 11 N IE Throttle body assembly incorporating throttle position sensor AV Radiator cap pes AK704227 AB V 704247 A voltage that is according to the throttle opening CIRCUIT OPERATION angle is sent to the ECM terminal No 10 from the throttle position sensor main output terminal terminal No 4 e A 5 volt power supply is applied on the throttle position sensor main power terminal terminal No 5 from the ECM terminal No 12 TSB Revision 13A 182 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS e The ground terminal terminal No 3 is grounded with ECM terminal No 13 TECHNICAL DESCRIPTION e The throttle position sensor main outputs volt age which corresponds to the throttle valve open ing angle e The ECM checks whether the voltage is within a specified range DESCRIPTIONS OF MONITOR METHODS Throttle position sensor main output voltage is out of specified range DTC SET CONDITIONS Logic Flow Chart Start Output voltage lt 0 2V MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable Continuous failure for 0 3sec Yes Malfunction Output voltage gt 4 8V
106. ctor B 08 terminal No 2 and ECM connector B 09 terminal No 27 Q Is the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table lt Vehicles with KOS gt 42 12 or GROUP 42C ID Codes Registration Judgment Table lt Vehicles with WCM gt 42 9 Then go to Step 14 NO Repair it Then go to Step 14 STEP 11 Check the engine coolant temperature sensor Refer to Engine Coolant Temperature Sensor Check P 13A 907 Q Is the engine coolant temperature sensor normal YES Go to Step 12 Replace the engine coolant temperature sensor Then go to Step 14 STEP 12 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 13 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 14 STEP 13 Check for harness damage between engine coolant temperature sensor connector B 08 terminal No 1 and ECM connector B 09 terminal No 26 Q Is the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 14 Repair it Then go to Step 14 TSB Revision
107. de connector B 08 1 Disconnect the connector B 08 and measure at the harness side 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 1 and ground e Voltage should be between 4 5 and 4 9 volts 4 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage between 4 5 and 4 9 volts YES Go to Step 6 NO Goto Step 4 STEP 4 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 5 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 10 TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 79 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 5 Measure the sensor supply voltage at ECM connector B 09 by using power plant ECU check harness special tool MB992110 1 Disconnect all ECM connectors Connect the power plant ECU check harness special tool MB992110 between the separated connectors 2 Disconnect the engine coolant temperature sensor connector B 08 3 Turn the ignition switch to the ON position Body side harness 4 Measure the voltage between terminal No 26 and ground e Voltage should be between 4 5 and 4 9 volts 5 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage between 4 5 and 4 9 volts YES Repair harness wire between engine coolant temperature sensor connector B 08
108. e Sensor The sensor below is determined to be normal e Engine coolant temperature sensor TSB Revision MULTIPORT FUEL INJECTION MFI 13A 149 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Start Monitoring conditions Yes Intake air temp changes No No Go stop operation for specified times pt No Yes Yes Malfunction End Check Conditions e Engine coolant temperature is higher than 76 169 F e Repeat 2 or more times drive 1 stop 2 Drive 1 vehicle speed higher than 50 km h 31 mph lasting a total of 60 seconds or more Stop 2 vehicle speed lower than 1 5 km h 1 0 mph lasting 30 seconds or more Judgement Criterion e Changes the intake air temperature is lower than 1 C 1 8 F Good AK604314 FAIL SAFE AND BACKUP FUNCTION e Control as if the intake air temperature is 25 C OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 7 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Intake air temperature sensor 1 failed e Harness damage or connector damage ECM failed TSB Revision 13A 1 50 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS MB991827 AC608435 AB Intake air temperature sensor 1 Mass airflow sensor AK302200 AD
109. e between throttle position sensor connector B 11 terminal No 4 and ECM connector B 09 terminal No 10 Q Is the harness wire in good condition YES Go to Step 5 Repair it Then go to Step 7 STEP 5 Using scan tool MB991958 check data list item 13 Throttle Position Sensor main 1 Turn the ignition switch to the ON position 2 Detach the intake air hose at the throttle body 3 Disconnect the connector of the throttle position sensor 4 Use test harness special tool MB991658 to connect only terminals No 3 No 4 No 5 and No 6 5 Set scan tool MB991958 to the data reading mode for item 13 Throttle Position Sensor main e Output voltage should be between 0 3 and 0 7 volt when the throttle valve is fully closed with your finger e Output voltage should be 4 0 volts or more when the throttle valve is fully open with your finger 6 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Goto Step 6 STEP 6 Replace the throttle body assembly 1 Replace the throttle body assembly 2 Turn the ignition switch to the ON position 3 After the DTC has been deleted read the DTC again 4 Turn the ignition switch to the LOCK OFF position Q Is DTC P0122 set YES Repla
110. e coolant temperature sensor is a neg ative temperature coefficient type of resistor It has the characteristic that when the engine cool ant temperature rises the resistance decreases The engine coolant temperature sensor output voltage increases when the resistance increases and decreases when the resistance decreases TECHNICAL DESCRIPTION e The engine coolant temperature sensor converts the engine coolant temperature to a voltage and outputs it e The ECM checks whether this voltage is within a specified range age drops from over 40 C 104 F to under 40 C 104 F and keeps under 40 C 104 F for 5 minutes e Engine coolant temperature sensor output volt age does not reach close loop enable tempera ture within specified period when engine coolant temperature sensor output voltage at engine start is under 7 C 45 F MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Mass airflow sensor e Intake air temperature sensor TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 94 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Range Performance problem drift gt Logic Flow Chart Start Over 40 C 104 F Under 40 C 104 F Y Over 40 C 104 F
111. e sensor Ma MB992106 O ring installer TSB Revision Installation of O ring on injector injection nozzle side MULTIPORT FUEL INJECTION MFI 13A 9 MULTIPORT FUEL INJECTION MFI DIAGNOSIS MULTIPORT FUEL INJECTION DIAGNOSIS TROUBLESHOOTING STRATEGY NOTE If a DTC is erased its freeze frame data will also be erased and system readiness test status will be reset Store the freeze frame data before eras ing the DTC Use these steps to plan your diagnostic strategy If you follow them carefully you will be sure to have exhausted most of the possible ways to find an fault 1 Gather as much information as possible about the complaint from the customer 2 Verify that the condition described by the customer exists 3 Check the vehicle for any Diagnostic Trouble Code DTC 4 f you cannot verify the condition and there are no DTCs the malfunction is intermittent For information on how to cope with intermittent malfunctions refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 5 If you can verify the condition but there are no DTCs or the system cannot communicate with the scan tool refer to the trouble symptom classification table DIAGNOSTIC FUNCTION M1131150002188 6 If there is a DTC store the number of the code then erase the code from the memory using the scan tool
112. e the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 7 STEP 6 Check harness connector B 18 at the manifold absolute pressure sensor and harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Replace the manifold absolute pressure sensor Then go to Step 7 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 7 TSB Revision MULTIPORT FUEL INJECTION MFI g oiacnosis 147 STEP 7 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0108 set YES Retry the troubleshooting NO The inspection is complete DTC P0111 Intake Air Temperature Circuit Range Performance Problem sensor 1 INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT A 07 MU805110 INTAKE AIR TEMPERATURE 73 SENSOR 1 INTEGRATED IN MASS AIRFLOW SENSOR LLI e uj Oo Q 5 B 10 88 89 203 2797002797960 63 G369626960606962 6 CONTROL 626969 X99 93 5 09 09 MODULE o3 02636036909 02 09 5V AK
113. e the power supply voltage at ECM connector B 09 by using power plant ECU check harness special tool MB992110 1 Disconnect all ECM connectors Connect the power plant ECU check harness special tool MB992110 between the separated connectors 2 Turn the ignition switch to the ON position Body side harness 3 Measure the voltage between terminal No 35 and ground e Voltage should be battery positive voltage 4 Turn the ignition switch to the LOCK OFF position Q Is battery positive voltage approximately 12 volts present YES Go to Step 8 NO Goto Step 6 Power plant ECU check harness connector OGEROOOODOOOD O O 82 6 DOSLO 9 2 604174 TSB Revision 13A 82 MULTIPORT FUEL INJECTION MFI 7 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 6 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 7 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection P OOE 2 Then go to Step 12 STEP 7 Check for open circuit and short circuit to ground between heated oxygen sensor rear connector D 35 terminal No 2 and ECM connector B 09 terminal No 35 NOTE Check harness after checking intermediate connectors A 13 and 45 If intermediate connectors are damaged repair or replace them Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to
114. easure at the harness side 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 2 and ground e Voltage should be battery positive voltage 4 Turn the ignition switch to the LOCK OFF position Q Is battery positive voltage approximately 12 volts present YES Go to Step 5 NO Goto Step 4 TSB Revision MULTIPORT FUEL INJECTION MFI 13A 117 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 4 Check harness connector A 34X at MFI relay for damage Q Is the harness connector in good condition YES Repair harness wire between MFI relay connector A 34X terminal No 2 and mass airflow sensor connector A 07 terminal No 2 because of open circuit or short circuit to ground Then go to Step 10 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 10 STEP 5 Check harness connector B 10 at ECM for damage Q Is the harness connector in good condition YES Go to Step 6 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 10 TSB Revision 13A 1 18 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS STEP 6 Measure the sensor output voltage at ECM connector B 10 by using power plant ECU check harness special tool MB992110 1 Disconnect all ECM connectors Connect the power plant ECU check harness special tool MB992110 between
115. ector B 09 terminal No 44 because of open circuit Then go to Step 12 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then to Step 12 STEP 8 Check harness connector B 18 at the manifold absolute pressure sensor and harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 9 NO Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 12 TSB Revision 2 MULTIPORT FUEL INJECTION MFI 1 140 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 9 Measure the sensor output voltage at ECM connector B 09 by using power plant ECU check harness special tool MB992110 1 Disconnect all connectors Connect the power plant ECU check harness special tool MB992110 between the separated connectors 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 45 and ground e When altitude is O m 0 foot voltage should be between 1 2 and 1 8 volts e When altitude is 600 m 1 969 feet voltage should be between 1 1 and 1 7 volts e When altitude is 1 200 m 3 937 feet voltage should be between 1 0 and 1 6 volts e When altitude is 1 800 m 5 906 feet voltage should be between 0 9 and 1 5 volts 4 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage normal YES Go to Step 11 NO Go to
116. een 4 5 and 4 9 volts 4 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage between 4 5 and 4 9 volts YES Go to Step 7 NO Goto Step 5 STEP 5 Check harness connector B 10 at ECM for damage Q Is the harness connector in good condition YES Go to Step 6 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 10 TSB Revision MULTIPORT FUEL INJECTION MFI 13A 161 MULTIPORT FUEL INJECTION MFI DIAGNOSIS Body side harness Power plant ECU check harness connector 03 105 ht ceret 69 63 0X X099 9 AK604179 AB A 07 harness connector component side CKD AK704236AB STEP 6 Measure the sensor supply voltage at ECM connector B 10 by using power plant ECU check harness special tool MB992110 1 Disconnect all ECM connectors Connect the power plant ECU check harness special tool MB992110 between the separated connectors 2 Disconnect the intake air temperature sensor 1 connector A 07 3 Turn the ignition switch to the ON position 4 Measure the voltage between terminal No 89 and ground e Voltage should be between 4 5 and 4 9 volts 5 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage between 4 5 and 4 9 volts YES Repair harness wire between intake air temperature sensor 1 connector A 07 termina
117. efer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Goto Step 2 MB991827 AC608435 AB STEP 2 Check harness connector A 07 at the intake air temperature sensor 1 for damage Q Is the harness connector in good condition YES Go to Step 3 Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then to Step 10 TSB Revision 1 3A 1 60 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS Intake air temperature sensor 1 connector AK704242AB A 07 harness connector component side KRK A 704245 STEP 3 Check the intake air temperature sensor 1 1 Disconnect the intake air temperature sensor 1 connector 07 2 Measure the resistance between intake air temperature sensor 1 side connector terminal No 1 and No 4 e There should be continuity 0 31 17 Q Is the measured resistance between 0 31 and 17 YES Go to Step 4 Replace the mass airflow sensor Then go to Step 10 STEP 4 Measure the sensor supply voltage at intake air temperature sensor 1 harness side connector A 07 1 Disconnect the connector A 07 and measure at the harness side 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 1 and ground e Voltage should be betw
118. em high input Logic Flow Chart Monitoring conditions Pressure 89kPa 26 3in Hg Continuous failure for 2secs Yes Malfunction Good la End AK604311 Check Conditions Judgement Criterion e 8 minutes or more have passed since the engine e Manifold absolute pressure sensor output voltage starting sequence was completed when the has continued to be 1 3 volts corresponding to a engine coolant temperature at engine start is 0 manifold absolute pressure of 89 kPa 26 3 32 F or lower in Hg or higher for 2 seconds e Engine speed is 1 500 r min or lower e Throttle position sensor output voltage is 0 8 volt or lower TSB Revision 13A 128 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Range Performance problem low input Logic Flow Chart Yes Continuous failure for 2secs Yes Malfunction Monitoring conditions Yes Pressure lt 45kPa 13 3in Hg No Check Conditions e 8 minutes or more have passed since the engine starting sequence was completed when the engine coolant temperature at engine start is 0 C 32 F or lower e Engine speed is 1 500 r min or higher e Throttle position sensor output voltage is 3 5 volts or higher Judgement Criterion e Manifold absolute pressure sensor output voltage has continued to be 0 7 volt corresponding to a manifold absolute pressure o
119. en the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 8 STEP 7 Check harness connector B 10 at ECM for damage Q Is the harness connector in good condition YES Replace the mass airflow sensor Then go to Step 8 Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 8 TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 25 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 8 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0103 set YES Retry the troubleshooting NO The inspection is complete DTC P0106 Manifold Absolute Pressure Circuit Range Performance Problem MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT B 18 MU802723 2009 KANNAN TI MANIFOLD ABSOLUTE PRESSURE SENSOR e i T t O j 3 m 44 45 46 ENGINE CONTROL MODULE 2 00500789 100912030209 2 9492003226302650062096960 8 eG 9 62 652 651687388940414243444549 6352636265 69676869606362 09 AK604115 AC TSB Revision 13A 126 MULTIPORT FUEL INJECTION MFI MULTIPORT
120. ensor e The engine coolant temperature and temperature shown with the scan tool should approximately match 3 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 14 TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 98 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 5 Check harness connector B 08 at engine coolant temperature sensor for damage Q Is the harness connector in good condition YES Go to Step 6 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 14 STEP 6 Measure the sensor supply voltage at engine coolant temperature sensor harness side connector B 08 1 Disconnect the connector B 08 and measure at the harness side 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 1 and ground e Voltage should be between 4 5 and 4 9 volts 4 Turn the ignition switch to the LOCK OFF position Q Is the measured vol
121. ensor connector B 08 by backprobing 1 Do not disconnect the connector B 08 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 1 and ground by backprobing e When engine coolant temperature is 20 C 4 volt age should be between 3 9 and 4 5 volts e When engine coolant temperature is 0 C 32 F volt age should be between 3 2 and 3 8 volts e When engine coolant temperature is 20 C 68 F volt age should be between 2 3 and 2 9 volts e When engine coolant temperature is 40 C 104 F volt age should be between 1 3 and 1 9 volts e When engine coolant temperature is 60 C 140 F volt age should be between 0 7 and 1 3 volts e When engine coolant temperature is 80 C 176 volt age should be between 0 3 and 0 9 volt 4 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage within the specified range YES Go to Step 3 NO Goto Step 5 STEP 3 Check harness connector B 08 at the engine coolant temperature sensor for damage Q Is the harness connector in good condition YES Go to Step 4 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then to Step 14 STEP 4 Using scan tool MB991958 check data list item 6 Engine Coolant Temperature Sensor 1 Turn the ignition switch to the ON position 2 Set scan tool MB991958 to the data reading mode for item 6 Engine Coolant Temperature S
122. ensors or actuators related to emission control the Mal function Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp illuminates to warn the driver e When a fault is detected in one of the sensors or actuators a diagnostic trouble code correspond ing to the fault is stored in the ECM e The RAM data inside the ECM that is related to the sensors and actuators can be read with the scan tool In addition the actuators can be con trolled by scan tool 991958 M U T III sub assembly under certain circumstances TSB Revision MULTIPORT FUEL INJECTION MFI 13A 3 GENERAL INFORMATION OTHER CONTROL FUNCTIONS Fuel Pump Control e Turns the fuel pump relay ON so that current is supplied to the fuel pump while the engine is cranking or running e n accordance with the driving conditions switches the actuation condition of the fuel pump A C Compressor Clutch Relay Control e Turns the compressor clutch of the A C ON and OFF Engine Oil Control Valve Control e The ECM carries out the duty control of the engine oil control valve according to the opera tion condition This varies the phase angle of the camshaft to optimize the valve timing Intake Charge Pressure Control e Control the intake charge pressure by controlling the duty of the turbocharger wastegate solenoid Generator Output Current Control Prevent generator output current from increasing suddenly and idle speed from dropping at times
123. ep 12 Heated oxygen sensor component side connector MB991658 AK604492AB STEP 3 Measure the power supply voltage at heated oxygen sensor rear harness side connector D 35 1 Disconnect the connector D 35 and measure at the harness side 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 1 and ground e Voltage should be battery positive voltage 4 Turn the ignition switch to the LOCK OFF position Q Is battery positive voltage approximately 12 volts present YES Go to Step 5 NO Goto Step 4 D 35 harness connector component side AK604172 Al TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 81 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 4 Check harness connector A 34X at the MFI relay for damage Q Is the harness connector in good condition YES Check harness connectors C 43 and C 47 at intermediate connectors for damage and repair or replace as required Refer to GROUP OOE Harness Connector Inspection 00 2 If intermediate connectors are in good condition repair harness wire between MFI relay connector A 34X terminal No 2 and heated oxygen sensor rear connector D 35 terminal No 1 because of open circuit or short circuit to ground Then go to Step 12 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then to Step 12 STEP 5 Measur
124. ers Operates as a normal generator Throttle actuator control motor circuit range performance Throttle opening degree position is in default position Throttle position sensor power supply Throttle opening degree position is in default position Throttle actuator control motor relay circuit malfunction Intake engine oil control valve circuit Throttle opening degree position is in default position V V T phase angle intake becomes most retarded angle Exhaust engine oil control valve circuit V V T phase angle exhaust becomes most advanced angle Active stability control plausibility Torque requested by active stability control ASC is ignored Fail safe system Microcomputer is reset Throttle position sensor main plausibility e Throttle opening degree is restricted e Throttle opening degree position is in default position if throttle position sensor sub fails Throttle position sensor sub plausibility e Throttle opening degree is restricted e Throttle opening degree position is in default position if throttle position sensor main fails TSB Revision 13A 42 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSTIC ITEM FAIL SAFE AND BACKUP FUNCTION Mass airflow sensor plausibility Fuel control is carried out using throttle opening degree and engine speed in accordance with preset map A D c
125. extot 26362 9 2 B 49292922232465000208090 61 62 63 62 6969676869606 4263424549 47 60 535253525550625969606362 63 62 B 09 AK603948 AD Connector B 08 4 NLP Sao Kyu CCI Vers TEN EN E E Y uA on Engine c olant 2225 M 42 2 temperature sensor Ne M Sa 20 Pe H AK704227 TSB Revision MULTIPORT FUEL INJECTION MFI 13A 175 MULTIPORT FUEL INJECTION MFI DIAGNOSIS CIRCUIT OPERATION e 5 volt voltage is applied to the engine coolant temperature sensor output terminal terminal No 1 from the ECM terminal No 26 via the resistor in the ECM The ground terminal terminal No 2 is grounded with ECM terminal No 27 e The engine coolant temperature sensor is a neg ative temperature coefficient type of resistor It has the characteristic that when the engine cool ant temperature rises the resistance decreases e The engine coolant temperature sensor output voltage increases when the resistance increases and decreases when the resistance decreases TECHNICAL DESCRIPTION e The engine coolant temperature sensor converts the engine coolant temperature to a voltage and outputs it e The ECM checks whether this voltage is within a specified range DESCRIPTIONS OF MONITOR METHODS Engine coolant temperature sensor output voltage is out of specified range MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monit
126. f 46 kPa 13 6 in Hg or lower for 2 seconds lt a AK604312 FAIL SAFE AND BACKUP FUNCTION e None OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 6 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are Manifold absolute pressure sensor failed Harness damage Connector damage ECM failed TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 29 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSIS Required Special Tools MB991958 Scan Tool M U T III Sub Assembly MB991824 V C I e MB991827 USB Cable e MB991910 Main Harness A e MB992110 Power Plant ECU Check Harness STEP 1 Using scan tool MB991958 check data list item 8 Manifold Absolute Pressure Sensor CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool 991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Set scan tool MB991958 to the data reading mode for item 8 Manifold Absolute Pressure Sensor e When altitude is 0 m 0 foot 101 kPa 29 8 in Hg e When altitude is 600 m 1 969 feet 95 kPa 28 1 in Hg e When altitude is 1 200 m 3 937 feet 88 kPa 26 0 in Hg e When altitude is 1 800 m 5 906 feet 81 kPa 23 9 in Hg 4 Start the engine When the engine is idling
127. for malfunction Other Monitor There is no temporary DTC stored in memory for the item monitored below DESCRIPTIONS OF MONITOR METHODS Not applicable The phase angle of the exhaust camshaft is higher Sensor The sensor below is determined to be than the specified value normal e Camshaft position sensor MONITOR EXECUTION Crankshaft position sensor Continuous e Engine coolant temperature sensor e Throttle position sensor e Engine oil control valve TSB Revision 13A 56 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Start Monitoring conditions Cam angle target gt 5 CA Continuous failure for 5secs Malfunction Good Check Conditions e More than 20 seconds have passed since the engine starting sequence was completed e Engine speed is 1 188 r min or more e Engine coolant temperature is higher than 76 C 169 Judgment Criterion e The phase angle of the exhaust camshaft is 5 degrees or more for 5 seconds FAIL SAFE AND BACKUP FUNCTION e None Cam angle Intake valve open timing intake side Exhaust valve close timing exhaust side AK704222 OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 20 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Exhaust engine oil control valve failed Oil passage
128. g chain to gradually elongate To prevent this the function or logic monitoring the amount of elongation of the timing chain is inte grated into the ECM The details are shown in timing chain maintenance Refer to GROUP 00 Precautions Before Service Timing Chain Main tenance P 00 33 V V T at the intake retard angle side and the exhaust advanced angle side is different from the initial phase angle of V V T by more than the specified value FAIL SAFE AND BACKUP FUNCTION e None TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Timing chain elongated TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 55 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSIS STEP 1 Timing Chain Elongation Visual Check Refer to GROUP 11A On vehicle Service Timing Chain Elon gation Visual Check 11 17 Q Are there any abnormalities YES Initialize the learning value for the elongation of the timing chain Refer to GROUP 00 Precautions Before Service Timing Chain Maintenance P 00 33 NO Replace the timing chain and the oil pump chain Then initialize the learning value for the elongation of the timing chain Refer to GROUP 00 Precautions Before Service Timing Chain Maintenance P 00 33 DTC P0014 Exhaust Variable Valve Timing System Target Error TECHNICAL DESCRIPTION MONITOR EXECUTION CONDITIONS e The ECM checks the variable valve timing sys Other monitor and Sensor tem
129. gine coolant temperature More than 82 C 180 F condition Test 1 Start the engine with all the accessories switched OFF procedure 2 Let the engine idle for 15 minutes During the monitor 3 Turn the ignition switch to LOCK OFF position 4 Start the engine and do Steps 1 to 3 again 5 Confirm that the diagnostic trouble code DTC is not output PATTERN 22 Inspection e Intake air temperature More than 40 C 14 F conditions e Engine coolant temperature sensor More than 7 C 45 F Test 1 Start the engine with all the accessories switched OFF procedure 2 Let the engine idle for 4 minutes During the monitor 3 Turn the ignition switch to LOCK OFF position 4 Start the engine and do Steps 1 to 3 again 5 Confirm that the diagnostic trouble code DTC is not output PATTERN 23 Inspection e Fuel temperature sensor Less than 36 96 F Fuel tank pressure sensor monitor conditions e Fuel amount at engine start Less than 85 96 Fuel tank pressure sensor monitor Test 1 Start the engine with all the accessories switched OFF procedure 2 Let the engine idle at the engine speed less than 1 000 r min for 15 seconds During the monitor SYSTEM READINESS TEST STATUS PURPOSE The Readiness function also referred to as I M Readiness or I M Flags indicates if full diagnostic check has been Completed is Ready for each non continuous monitor Enhanced I M State Emis sion Programs will use the Readines
130. han 2 000 r min e Engine load More than 20 96 e Throttle position sensor output voltage More than 3 5 volts 4 Stop the vehicle in a safe place and turn the ignition switch to LOCK OFF position Start the engine and do Steps 1 to 4 again 6 Confirm that the diagnostic trouble code DTC is not output TSB Revision 13A 32 MULTIPORT FUEL INJECTION MFI DIAGNOSIS PATTERN 7 Drive cycle pattern MULTIPORT FUEL INJECTION MFI Vehicle speed 50 km h 31 mph Idling Ignition switch LOCK OFF 1 Minute 1 Minute 30 Seconds 30 Seconds AK402435AC Inspection e Engine coolant temperature More than 76 C 169 F conditions e Condition of TC SST Shift lever D range Test 1 Start the engine with all the accessories switched OFF procedure 2 Drive the vehicle at more than 50 km h 31 mph for 1 minute 3 Stop the vehicle in a safe place and let the engine idle for 30 seconds 4 Repeat Steps 2 and 3 again 5 Stop the vehicle in a safe place and turn the ignition switch to LOCK OFF position 6 Confirm that the diagnostic trouble code DTC is not output PATTERN 8 Drive cycle pattern Vehicle speed During the monitor 50 km h 32 mph Ignition itch LOCK OFF 6 Minutes 402441 Inspection e Engine coolant temperature at engine start More than 7 C 47 F conditions Intake air temperature Less than 60 C
131. harness connector in good condition YES Go to Step 6 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 9 STEP 6 Check for harness damage between intake air temperature sensor 1 connector A 07 terminal No 4 and ECM connector B 10 terminal No 88 Q Is the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 9 NO Repair it Then go to Step 9 STEP 7 Check harness connector B 10 at ECM for damage Q Is the harness connector in good condition YES Go to Step 8 Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 9 STEP 8 Check for harness damage between intake air temperature sensor 1 connector A 07 terminal No 1 and ECM connector B 10 terminal No 89 Q Is the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 9 Repair it Then go to Step 9 STEP 9 Test the OBD II drive cycle 1 Carry out a test drive
132. he ignition switch to LOCK OFF position Start the engine and do Steps 1 to 7 again Confirm that the diagnostic trouble code DTC is not output Ao e e Oo e Engine coolant temperature at engine start More than 40 C 14 F less than 33 C 91 F Difference between engine coolant temperature and intake air temperature at engine start Less than 5 C 99 F e Condition of TC SST Shift lever D range Test procedure 1 Start the engine with all the accessories switched OFF 2 Drive the vehicle at more than 30 km h 19 mph until engine coolant temperature rises more than 60 C 140 F During the monitor 3 Stop the vehicle a safe place and turn the ignition switch to LOCK OFF position 4 Start the engine and do Steps 1 to 3 again 5 Confirm that the diagnostic trouble code DTC is not output TSB Revision 13 36 MULTIPORT FUEL INJECTION MFI LL MULTIPORTFUELINJECTION MFI DIAGNOSIS PATTERN 14 Drive cycle l pattern Engine speed During the monitor 500 3 000 r min Ignition 1 switch LOCK OFF 3 Minutes Time AK402440AE Inspection e Engine coolant temperature More than 40 C 14 F conditions Intake air temperature More than 40 C 14 F e Barometric pressure More than 76 kPa 22 5 inHg e Condition of TC SST Shift lever D range Test Start the engine with all the accessories switched O
133. hich simplify troubleshooting when a problem develops FUEL INJECTION CONTROL The injector drive times and injection timing are con trolled so that the optimum air fuel mixture is sup plied to the engine to correspond to the continually changing engine operation conditions A single injector is mounted at the intake port of each cylinder Fuel is sent under pressure from the fuel tank to the fuel injectors by the fuel pump with the pressure being regulated by the fuel pressure regula tor The regulated fuel is distributed to each of the injectors Fuel injection is normally carried out once for each cylinder for every two rotations of the crankshaft The firing order is 1 3 4 2 Each cylinder has a dedi cated fuel injector This is called multiport The ECM provides a richer air fuel mixture by carry ing out open loop control when the engine is cold or operating under high load conditions in order to maintain engine performance In addition when the engine is under normal operating temperature after warming up the ECM controls the air fuel mixture by using the heated oxygen sensor signal to carry out closed loop control The closed loop control achieves the theoretical air fuel mixture ratio where the catalytic converter can obtain the maximum cleaning performance THROTTLE VALVE OPENING CONTROL This system electrically controls the opening of the throttle valve The ECM detects the amount of travel of the accelerator pedal vi
134. ide 2 Measure the resistance between heated oxygen sensor connector terminal No 1 and terminal No 2 Heated oxygen Standard value 4 5 8 0 Q at 20 C 68 F 220 ias Q Is the measured resistance between 4 5 and 8 0 at 20 68 F YES Go to Step 3 Replace the heated oxygen sensor front Then go to Step 12 MB991658 AK604492AB STEP 3 Measure the power supply voltage at heated oxygen sensor front harness side connector C 34 1 Disconnect the connector C 34 and measure at the harness side 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 1 and ground e Voltage should be battery positive voltage 4 Turn the ignition switch to the LOCK OFF position Q Is battery positive voltage approximately 12 volts present YES Go to Step 5 NO Goto Step 4 C 34 harness connector component side VANN eg 180 n AK6041 72AH TSB Revision 13 70 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS STEP 4 Check harness connector A 34X at the MFI relay for damage Q Is the harness connector in good condition YES Repair harness wire between MFI relay connector A 34X terminal No 2 and heated oxygen sensor front connector C 34 terminal No 1 because of open circuit or short circuit to ground Then go to Step 12 NO Repair or replace it Refer to G
135. iming chain loose b Check the exhaust variable valve timing sprocket tooth coming off Then go to Step 4 STEP 4 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 20 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0017 set YES Retry the troubleshooting NO The inspection is complete TSB Revision 13A 66 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0031 Heated Oxygen Sensor front Heater Circuit Low HEATED OXYGEN SENSOR FRONT HEATER CIRCUIT FUSIBLE LINK 6 RELAY BOX ENGINE COMPARTMENT HEATED OXYGEN SENSOR ONT C 34 TO TOECM TOECM WHITE A 13 11213141516171619202122 BLUE BLACK 34 0 OGXGXSXxexxsxexotitat3t3 2 8 960636263626906967686969 6 62 63 62 656673889408 42344856 47 MODULE 516263546566625859606162 704225 TSB Revision MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS Connector A 13 CIRCUIT OPERATION Power is supplied from the MFI relay terminal No 2 to the heated oxygen sensor front heater e The ECM terminal No 34 controls continuity to the heated oxygen sensor front heater by turn ing the power transistor in the ECM ON and OFF TECHNICAL DESCRIPTION e The ECM check
136. inal No 13 Q Is the harness wire in good condition YES Go to Step 9 Repair it Then go to Step 14 STEP 9 Using scan tool MB991958 check data list item 13 Throttle Position Sensor main 1 Turn the ignition switch to the ON position 2 Detach the intake air hose at the throttle body 3 Disconnect the connector of the throttle position sensor 4 Use test harness special tool MB991658 to connect only terminals No 3 No 4 No 5 and No 6 5 Set scan tool MB991958 to the data reading mode for item 13 Throttle Position Sensor main e Output voltage should be between 0 3 and 0 7 volt when the throttle valve is fully closed with your finger e Output voltage should be 4 0 volts or more when the throttle valve is fully open with your finger 6 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B Diagnosis ID Code Registration Judgment Table Vehicles with KOS gt P 42B 12 or GROUP 42C Diagnosis ID Codes Registration Judgment Table Vehicles with WOCM P 42C 9 Then go to Step 14 STEP 10 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES
137. input Manifold absolute pressure circuit range performance problem Manifold absolute pressure circuit low input Manifold absolute pressure circuit high input Intake air temperature circuit range performance problem sensor 1 Intake air temperature circuit low input sensor 1 Intake air temperature circuit high input sensor 1 Engine coolant temperature circuit range performance problem Engine coolant temperature circuit low input Engine coolant temperature circuit high input Throttle position sensor main circuit low input P0123 Throttle position sensor main circuit high input P0125 Insufficient coolant temperature for closed loop fuel control Coolant thermostat coolant temperature below thermostat regulating temperature Heated oxygen sensor front circuit low voltage Heated oxygen sensor front circuit high voltage Heated oxygen sensor front circuit slow response Heated oxygen sensor front circuit no activity detected Heated oxygen sensor rear circuit low voltage Heated oxygen sensor rear circuit high voltage Heated oxygen sensor rear circuit slow response Heated oxygen sensor rear circuit no activity detected System too lean P0172 System too rich P0181 Fuel tank temperature sensor circuit range performance P0182 Fuel tank temperature sensor circuit low input P0183 Fuel tank temperature sensor circuit high i
138. ion e 8 minutes or more have passed since the engine starting sequence was completed when the engine coolant temperature at engine start is 0 C 32 F or lower Judgement Criterion e Manifold absolute pressure sensor output voltage has continued to be 4 6 volts corresponding to a manifold absolute pressure of 314 kPa 93 0 in Hg or higher for 2 seconds FAIL SAFE AND BACKUP FUNCTION e None AK604313 OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Manifold absolute pressure sensor failed e Open manifold absolute pressure sensor circuit or connector damage ECM failed TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 45 MULTIPORT FUEL INJECTION MFI DIAGNOSIS MB991827 AC608435 AB B 18 harness connector harness side AK203038AM DIAGNOSIS Required Special Tools MB991958 Scan Tool M U T Il Sub Assembly MB991824 MB991827 USB Cable e MB991910 Main Harness A STEP 1 Using scan tool MB991958 check data list item 8 Manifold Absolute Pressure Sensor A CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector
139. ist item 10 Mass Airflow Sensor N CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Start the engine and run at idle 3 Set scan tool MB991958 to the data reading mode for item 10 Mass Airflow Sensor 4 Warm up the engine to normal operating temperature 80 C to 95 C 176 F to 203 F e The standard value during idling should be between 1 300 and 1 650 millivolts e When the engine is revved the mass airflow rate should increase according to the increase in engine speed 5 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Goto Step 2 STEP 2 Check harness connector A 07 at mass airflow sensor for damage Q Is the harness connector in good condition YES Go to Step 3 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 8 STEP 3 Check the continuity at mass airflow sensor harness side connector A 07 1 Disconnect the connector A 07 and measure at the harness side 2 Check for the continuity between terminal No 4 and ground e Continui
140. ist item 6 Engine Coolant Temperature Sensor CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Set scan tool MB991958 to the data reading mode for item 6 Engine Coolant Temperature Sensor e The engine coolant temperature and temperature shown with the scan tool should approximately match 4 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Goto Step 2 STEP 2 Check harness connector B 08 at the engine coolant temperature sensor for damage Q Is the harness connector in good condition YES Go to Step 3 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 6 STEP 3 Check for short circuit to ground between engine coolant temperature sensor connector B 08 terminal No 1 and ECM connector B 09 terminal No 26 Q Is the harness wire in good condition YES Go to Step 4 NO Repair it Then go to Step 6 STEP 4 Check harness connector B 09 at ECM for damage Q Is the harness connector in g
141. it range performance Fuel level sensor circuit low input Fuel level sensor circuit high input Vehicle speed signal malfunction Idle control system RPM lower than expected Idle control system RPM higher than expected Power steering pressure switch circuit range performance Power steering pressure switch circuit intermittent EEPROM malfunction Engine control module main processor malfunction Vehicle Identification Number VIN malfunction Throttle actuator control motor circuit range performance Throttle position sensor power supply Throttle actuator control motor relay circuit malfunction TSB Revision 1 1 2 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS ITEM Intake engine oil control valve circuit Exhaust engine oil control valve circuit Throttle position sensor main plausibility Throttle position sensor sub plausibility Mass airflow sensor plausibility A D converter Accelerator pedal position sensor plausibility Mass airflow sensor plausibility torque monitor Engine RPM plausibility Torque monitor Ignition timing retard insufficient Idle control system RPM lower than expected at low temperature Idle control system RPM higher than expected at low temperature TCM to ECM communication error in torque reduction request lt TC SST gt Battery backu
142. k Conditions FAIL SAFE AND BACKUP FUNCTION Engine coolant temperature is between 40 C e None 14 F and 60 C 140 F when the engine is started l l OBD II DRIVE CYCLE PATTERN e Intake air temperature is 10 C 14 F or higher Refer to Diagnostic Function OBD II Drive Cycle when the engine is started Pattern 9 P 13A 9 The intake air temperature when the engine is ein intake air temperature is 5 C 9 F or TROUBLESHOOTING HINTS The most The total time of the mass airflow sensor output likely causes for this code to be set are whose state is below 14 g sec within 550 sec e The engine cooling system is faulty onds ECM failed Judgement Criteria e The time for the engine coolant temperature to rise to 77 C 171 F takes longer than approxi mately 9 5 to 43 5 minutes TSB Revision MULTIPORT FUEL INJECTION MFI 13A 202 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSIS STEP 1 Check the cooling system Refer to GROUP 14 Engine Cooling Diagnosis P 14 3 Q Is the cooling system normal YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table lt Vehicles with KOS gt 42 12 or GROUP 42C ID Codes Registration Judgment Table lt Vehicles with WCM gt P 42C 9 Then go to Step 2 NO Repair it Then go to Step 2 STEP 2 Test the OBD II drive cycle 1 Carry out test drive with the drive cy
143. ke air temperature sensor 1 side connector terminal No 1 and No 4 Intake air temperature sensor 1 connector AK704242AB 3 Measure resistance while heating the sensor using a hair drier Standard value 13 17 at 20 C 4 F 5 4 6 6 at 0 C 32 F 2 3 3 0 KQ at 20 C 68 F ntake air 1 0 1 5 kQ at 40 C 104 F t 2 0 56 0 76 at 60 140 F 0 31 0 43 kQ at 80 C 176 F AK604487AC Q Is the measured resistance at the standard value YES Go to Step 3 NO Replace the mass airflow sensor Then go to Step 9 STEP 3 Check harness connector A 07 at the intake air temperature sensor 1 for damage Q Is the harness connector in good condition YES Go to Step 4 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 9 STEP 4 Check the continuity at intake air temperature sensor 1 harness side connector A 07 1 Disconnect the connector A 07 and measure at the harness side 2 Check for the continuity between terminal No 4 and ground e Continuity 2 ohms or less A 07 harness connector NP component side Q Does continuity exist ae YES Go to Step 7 4 Goto Step 5 AK704236AB TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 52 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 5 Check harness connector B 10 at ECM for damage Q Is the
144. l No 1 and ECM connector B 10 terminal No 89 because of open circuit Then go to Step 10 NO Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table lt Vehicles with KOS gt 42 12 or GROUP 42C ID Codes Registration Judgment Table lt Vehicles with WCM gt P 42C 9 Then go to Step 10 STEP 7 Check the continuity at intake air temperature sensor 1 harness side connector A 07 1 Disconnect the connector A 07 and measure at the harness side 2 Check for the continuity between terminal No 4 and ground Continuity 2 ohms or less Q Does continuity exist YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table lt Vehicles with KOS gt 42 12 or GROUP 42C ID Codes Registration Judgment Table lt Vehicles with WCM gt P 42C 9 Then go to Step 10 NO Goto Step 8 TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 62 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 8 Check harness connector B 10 at ECM for damage Q Is the harness connector in good condition YES Go to Step 9 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then to Step 10 STEP 9 Check for open circuit between intake air temperature sensor 1 connector A 07 terminal No 4 and ECM connector B 10 terminal No 88 Q I
145. lace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 9 TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 68 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 8 Check for harness damage between engine coolant temperature sensor connector B 08 terminal No 1 and ECM connector B 09 terminal No 26 Q Is the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 9 NO Repair it Then go to Step 9 STEP 9 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle 8 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0116 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS 1 3A 1 69 DTC P0117 Engine Coolant Temperature Circuit Low Input ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT B 08 MU802406 ENGINE COOLANT A TEMPERATURE SENSOR 12 O lt E 27 26 ENGINE CONTROL MODULE SS O GX2Xexexzxexextot 26362 9 2 B 49292922232465000208090 61 62 63
146. line and then the specified time is passed ECM monitors the leak of fuel evaporation gas through the fuel tank differential pressure sensor to check the reduction of vacuum in the fuel tank After ECM vacuumizes the fuel tank and the fuel line and then the specified time is passed ECM monitors the leak of fuel evaporation gas through the fuel tank differential pressure sensor to check the reduction of vacuum in the fuel tank ECM monitors angular acceleration of crankshaft and detect misfire EWMA Exponential Weighted Moving Average misfire counts for last 10 driving cycles CONVERSION COEFFICIENT IN USING GENERAL SCAN TOOL x 0 0117 kPa x 0 0117 kPa x 1 count Mis Fire General Data Misfire Counts For Last Current Driving Cycle ECM monitors angular acceleration of crankshaft and detect misfire Misfire counts for last current driving cycle x 1 count Mis Fire Cylinder 1 Data EWMA Misfire Counts For Last 10 Driving Cycles ECM monitors angular acceleration of crankshaft and detect misfire EWMA Exponential Weighted Moving Average misfire counts for last 10 driving cycles x 1 count Mis Fire Cylinder 1 Data Misfire Counts For Last Current Driving Cycle ECM monitors angular acceleration of crankshaft and detect misfire Misfire counts for last current driving cycle TSB Revision x 1 count ON BOARD DIAGNOSTIC MONITOR ID STANDARDIZED MANUFACT
147. ltage is supplied to the manifold abso lute pressure sensor power terminal terminal No 3 from ECM terminal No 44 The ground termi nal terminal No 2 is grounded with ECM termi nal No 46 e A voltage that is proportional to the intake mani fold pressure is sent to the ECM terminal No 45 from the manifold absolute pressure sensor out put terminal terminal No 1 TECHNICAL DESCRIPTION e The manifold absolute pressure sensor outputs a voltage which corresponds to the intake manifold pressure e The ECM checks whether this voltage is within a specified range DESCRIPTIONS OF MONITOR METHODS Manifold absolute pressure sensor output voltage is out of specified range MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal Engine coolant temperature sensor Throttle position sensor Mass airflow sensor Intake air temperature sensor Barometric pressure sensor TSB Revision MULTIPORT FUEL INJECTION MFI 34446 MUNTPORTFUELINIECTON MF DAGNOSIS 000000 DTC SET CONDITIONS Logic Flow Chart Monitoring conditions Pressure lt 5kPa 1 5in Hg Continuous failure for 2secs Yes Malfunction Pressure gt 117kPa 34 6in Hg Check Condit
148. main output voltage TROUBLESHOOTING HINTS The most should be 4 8 volts or more for 0 3 second likely causes for this code to be set are e Throttle position sensor failed FAIL SAFE AND BACKUP FUNCTION e Open or shorted throttle position sensor main e Throttle opening degree is restricted circuit harness damage or connector damage Throttle opening degree position is in default e ECM failed position if throttle position sensor sub fails TSB Revision 1 1 88 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSIS Required Special Tools e MB991958 Scan tool 1 Sub Assembly MB991824 V C I e MB991827 USB Cable e MB991910 Main Harness A e MB991658 Test Harness STEP 1 Using scan tool MB991958 check data list item 13 Throttle Position Sensor main A CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool 991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Detach the intake air hose at the throttle body 4 Disconnect the connector of the throttle position sensor 5 Use test harness special tool MB991658 to connect only terminals No 3 No 4 No 5 and No 6 6 Set scan tool MB991958 to the data reading mode for item 13 Throttle Position Sensor m
149. mph Ignition 1 switch LOCK OFF 30 seconds Time AK402441AP Inspection Engine coolant temperature More than 65 C 149 F conditions e Condition of TC SST Shift lever D range Test 1 Start the engine with all the accessories switched OFF procedure 2 Drive the vehicle at more than 50 km h 31 mph for 30 seconds During the monitor 3 Stop the vehicle in a safe place and turn the ignition switch to LOCK OFF position 4 5 Start the engine and do Steps 1 to 3 again Confirm that the diagnostic trouble code DTC is not output TSB Revision 13 38 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS PATTERN 17 Inspection Condition of TC SST Shift lever D range conditions Test 1 Start the engine with all the accessories switched OFF procedure 2 Drive the vehicle with the accelerator pedal fully depressed for 5 seconds During the monitor 3 Stop at safe place and turn the ignition switch to LOCK OFF position 4 Start the engine and do Steps 1 to 3 again 5 Confirm that the diagnostic trouble code DTC is not output PATTERN 18 Inspection e Engine coolant temperature More than 82 C 180 F conditions e Intake air temperature More than 40 C 14 F e Barometric pressure More than 76 kPa 22 5 inHg Test 1 Start the engine with all the accessories switched OFF procedure 2 Accelerate until the vehicle speed is
150. mponent side QU AK704401AB STEP 3 Check the continuity at intake air temperature sensor 2 harness side connector B 16 1 Disconnect the connector B 16 and measure at the harness side 2 Check for the continuity between terminal No 2 and ground e Continuity 2 ohms or less Q Does continuity exist YES Go to Step 6 NO Goto Step 4 STEP 4 Check harness connector B 10 at ECM for damage Q Is the harness connector in good condition YES Go to Step 5 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 8 STEP 5 Check for harness damage between intake air temperature sensor 2 connector B 16 terminal No 2 and ECM connector B 10 terminal No 97 NOTE Check harness after checking intermediate connector A 13 If intermediate connector is damaged repair or replace it Repair to GROUP 00E Harness Connector Inspection 00 2 Then go to Step 8 Q Is the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 8 NO Repair it Then go to Step 8 STEP 6 Check harness connector B 10 at ECM for damage Q Is the harness connector in good condition YES Go to Step 7 Repair or replace it Refer to
151. n OBD II Drive Cycle Pattern 23 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Intake air temperature sensor 2 failed e Open intake air temperature sensor 2 circuit or connector damage FAIL SAFE AND BACKUP FUNCTION ECM failed e Control as if the intake air temperature in the intake manifold is 25 C DIAGNOSIS Required Special Tools e MB992110 Power Plant ECU Check Harness TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 04 MULTIPORT FUEL INJECTION MFI DIAGNOSIS Intake air temperature sensor 2 connector AK704080AB B 16 harness connector component side Op AK704402 AB STEP 1 Check harness connector B 16 at the intake air temperature sensor 2 for damage Q Is the harness connector in good condition YES Go to Step 2 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection P OOE 2 Then go to Step 9 STEP 2 Check the intake air temperature sensor 2 1 Disconnect the intake air temperature sensor 2 connector B 16 2 Measure the resistance between intake air temperature sensor 2 side connector terminal No 1 and No 2 e There should be continuity 0 23 18 Q Is the measured resistance between 0 23 and 18 YES Go to Step 3 Replace the intake air temperature sensor 2 Then go to Step 9 STEP 3 Measure the sensor supply voltage at intake air tempera
152. ngine Lamp will be illuminated and a DTC will set TSB Revision ON BOARD DIAGNOSTIC MONITOR ID STANDARDIZED MANUFACTURER DEFIND TEST ID MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS MODE 6 REFERENCE TABLE The engine control module ECM monitors the condition of emission control system By selecting MODE 6 using scan tool Test Result and Limit Value minimum 1 or maximum 2 about the main items of emission control system which ECM monitors can be confirmed The value at the last monitor ing is output by ECM as a test result 13A 19 CONVERSION COEFFICIENT IN USING GENERAL SCAN TOOL 01 81 Oxygen Sensor Monitor Bank 1 Sensor 1 Rich Lean Switching frequency ECM monitors the deteriorated condition of the heated oxygen sensor front by checking the rich lean switching frequency of the heated oxygen sensor front x 1 count Oxygen Sensor Monitor Bank 1 Sensor 2 Maximum Sensor Voltage for Test Cycle ECM checks the output voltage of the heated oxygen sensor rear in order to monitor whether the heated oxygen sensor rear outputs the rich signal x 0 122 mV Oxygen Sensor Monitor Bank 1 Sensor 2 Output Voltage change ECM checks the output voltage of the heated oxygen sensor rear in order to monitor whether the heated oxygen sensor rear output is stuck x 0 122 mV Oxygen Sensor Monitor Bank 1 Sensor 2 Rich To Lean Sensor S
153. nnect the intake camshaft position sensor connector B 07 and connect test harness special tool MB991709 between the separated connectors 4 Connect the oscilloscope probe to the intake camshaft position sensor side connector terminal No 3 NOTE When measuring with the ECM side connector dis connect all ECM connectors Connect the check harness special tool MB992110 between the separated connec tors Then connect the oscilloscope probe to the check har ness connector terminal No 8 crankshaft position sensor and terminal No 14 intake camshaft position sensor 5 Start the engine and run at idle 6 Check the waveform e The waveform should show a pattern similar to the illus tration 7 Turn the ignition switch to the LOCK OFF position Q Is the waveform normal YES Go to Step 2 NO Goto Step 3 TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 61 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 2 Check the trouble symptoms 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 20 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0016 set YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 4
154. nput TSB Revision MULTIPORT FUEL INJECTION MFI 13A 1 1 MULTIPORT FUEL INJECTION MFI DIAGNOSIS ITEM Injector circuit cylinder 1 Injector circuit cylinder 2 Injector circuit cylinder 3 Injector circuit cylinder 4 Throttle position sensor sub circuit low input Throttle position sensor sub circuit high input Turbocharger wastegate system malfunction Turbocharger wastegate solenoid 1 circuit Turbocharger wastegate solenoid 2 circuit Random multiple cylinder misfire detected Cylinder 1 misfire detected Cylinder 2 misfire detected Cylinder 3 misfire detected Cylinder 4 misfire detected Knock sensor circuit low Knock sensor circuit high Crankshaft position sensor circuit Intake camshaft position sensor circuit Exhaust camshaft position sensor circuit Warm up catalyst efficiency below threshold Evaporative emission control system incorrect purge flow Evaporative emission control system leak detected small leak Evaporative emission purge solenoid circuit Evaporative emission ventilation solenoid circuit Fuel tank differential pressure sensor malfunction Fuel tank differential pressure circuit range performance problem Fuel tank differential pressure circuit low input Fuel tank differential pressure circuit high input Evaporative emission control system leak detected gross leak Evaporative emission control system leak detected very small leak Fuel level sensor main circu
155. nput MASS AIRFLOW SENSOR CIRCUIT FUSIBLE LINK RELAY BOX ENGINE COMPARTMENT A 07 MU805110 COC MASS AIRFLOW SENSOR BLACK BLUE B 10 GBECCBLOSG Q GBCBOOS 63 Us ENGINE CONTROL MODULE 9 6 O 006090900990 704233 TSB Revision MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS 13A 121 ERG Hi T 2224 11 airflow sensor UM e e ae GN 51 T i arii AK704234 AB 07 Connector A 2 CIRCUIT OPERATION e The mass airflow sensor power is supplied from the MFI relay terminal No 2 and the ground is provided on the ECM terminal No 88 e A voltage that is according to the mass airflow rate is sent to the ECM terminal No 87 from the mass airflow sensor output terminal terminal No 3 TECHNICAL DESCRIPTION e While the engine is running the mass airflow sensor outputs voltage which corresponds to the mass airflow rate e The ECM checks whether the voltage output by the mass airflow sensor while the engine is run ning is within a specified range AK704235 AB DESCRIPTIONS OF MONITOR METHODS Mass airflow sensor output voltage is out of specified range MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in
156. nsor connector terminal No 1 and terminal No 2 Standard value 4 5 8 0 at 20 C 68 F Q Is the measured resistance between 4 5 and 8 0 at 20 68 F YES Go to Step 2 NO Replace the heated oxygen sensor front Then go to Step 3 STEP 2 Check the trouble symptoms 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 2 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0032 set YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 3 NO It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 STEP 3 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 2 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0032 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI 1 77 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0037 Heated Oxygen Sensor rear Heater Circuit Low HEATED OXYGEN SENSOR REAR HEA
157. o AB RUNTM 1F See M U T III Item No D1 EVAP_PCT 2E See M U T III Item No D6 FLI 2F See M U T III Item No D7 BARO 33 See M U T III Item No BB VPWR 42 See M U T III Item No 08 LOAD_ABS 43 See M U T III Item No D9 EQ 44 See M U T III Item No DA TP_R 45 See M U T III Item No BC AAT 46 Ambient air temperature C F TP_B 47 See M U T III Item No BD APP D 49 See M U T III Item No BE APP E 4A See M U T III Item No BF TAC PCT 4C Command Throttle Actuator Control OBD II DRIVE CYCLE All kinds of diagnostic trouble codes DTCs can be monitored by carrying out a short drive according to the following 23 drive cycle patterns In other words doing such a drive regenerates any kind of trouble which involves illuminating the Malfunction Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp and verifies the repair procedure has been eliminated the trouble the Malfunction Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp is no longer illuminated A CAUTION Two technicians should always be in the vehicle when carrying out a test NOTE Check that the diagnosis trouble code DTC is not output before driving the OBD II drive cycle Erase the DTC if it has been output NOTE Drive cycle patterns are not established for Vehicle speed signal monitor DTC P0500 Power steer ing pressure switch monitor P0551 and Fuel level sensor monitor DTC P0461 P2066 Please reference the M U T dat
158. o to Step 2 NO Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 5 STEP 2 Check the intake air temperature sensor 2 1 Disconnect the intake air temperature sensor 2 connector B 16 2 Measure the resistance between intake air temperature sensor 2 side connector terminal No 1 and No 2 e There should be continuity 0 23 18 Q Is the measured resistance between 0 23 and 18 Intake air temperature sensor 2 connector 1X2 YES Go to Step 3 Replace the intake air temperature sensor 2 Then go to Step 5 AK704080AB STEP 3 Check for short circuit to ground between intake air temperature sensor 2 connector B 16 terminal No 1 and ECM connector B 10 terminal No 98 NOTE Check harness after checking intermediate connector A 13 If intermediate connector is damaged repair or replace it Repair to GROUP 00E Harness Connector Inspection 00 2 Then go to Step 5 Q Is the harness wire in good condition YES Go to Step 4 Repair it Then go to Step 5 TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 01 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 4 Check harness connector B 10 at ECM for damage Q Is the harness connector in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS
159. ody side harness N MB992110 AK604040 AB 3 Measure the voltage between terminal No 44 and ground e Voltage should be between 4 9 and 5 1 volts 4 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage between 4 9 and 5 1 volts YES Go to Step 7 NO Goto Step 5 Power plant ECU check harness connector 19 9X92Xexex9 O O 62 62602928220809022302212049 9 2 665 336263606969676065 63 63 626 696967 6065162 636266 60 AK604178AB STEP 5 Check harness connector B 18 at the manifold absolute pressure sensor for damage Q Is the harness connector in good condition YES Go to Step 6 NO Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then to Step 12 TSB Revision MULTIPORT FUEL INJECTION MFI Fuen mep piagnosis 1 139 STEP 6 Check for short circuit to ground between manifold absolute pressure sensor connector B 18 terminal No 3 and ECM connector B 09 terminal No 44 Q Is the harness wire in good condition YES Go to Step 11 Repair it Then go to Step 12 STEP 7 Check harness connector B 18 at the manifold absolute pressure sensor for damage Q Is the harness connector in good condition YES Repair harness wire between manifold absolute pressure sensor connector B 18 terminal No 3 and ECM conn
160. of variable valve timing control sys tem clogged e Exhaust variable valve timing sprocket operation mechanism stuck ECM failed TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 57 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSIS Required Special Tools e MB991958 Scan tool 1 Sub Assembly 991824 991827 05 991910 Main Harness STEP 1 Using scan tool 991958 read the diagnostic trouble code DTC A CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Set scan tool MB991958 read the DTC 4 Turn the ignition switch to the LOCK OFF position Q Is the diagnostic trouble code other than P0014 set YES Refer to Diagnostic Trouble Code Chart P 13A 44 NO Goto Step 2 MB991827 AC608435 AB STEP 2 Check exhaust engine oil control valve itself e Check exhaust engine oil control valve itself Refer to Engine Oil Control Valve Check P 13A 912 Q Is the check result normal YES Go to Step 3 Replace exhaust engine oil control valve Then go to Step 6 STEP 3 Check oil passage of exhaust variable valve timing control system for being clogged
161. oints How to Cope with Intermittent Malfunctions P 00 15 Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 12 STEP 12 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 6 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0107 set YES Retry the troubleshooting NO The inspection is complete TSB Revision 2 MULTIPORT FUEL INJECTION MFI 1 142 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0108 Manifold Absolute Pressure Circuit High Input MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT B 18 MU802723 MANIFOLD ABSOLUTE 11172732 PRESSURE SENSOR p em i T t O 44 45 46 CONTROL MODULE GX2XeXexcxexexto 1232 9606362636306506967686980 5 9 62 96678894 23444546 62 48 535253525550625969606362 63 09 AK604115 AC Connector 18 LAN PYN NALS TIRE Manifold absolute pressure sensor AK704227AB AK704238 AB TSB Revision MULTIPORT FUEL INJECTION MFI 13A 143 MULTIPORT FUEL INJECTION MFI DIAGNOSIS CIRCUIT OPERATION A 5 volt vo
162. olumn the Malfunction Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp illuminates only on the first detection of the malfunction NOTE After the Malfunction Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp illuminates it will be switched off under the following conditions TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 3 MULTIPORT FUEL INJECTION MFI DIAGNOSIS e When the ECM monitored the powertrain malfunction three times and met set condition requirements it detected no malfunction In this case one time indicates from engine start to next engine start e For misfiring or a fuel trim malfunction when driving conditions engine speed engine coolant tempera ture etc are similar to those when the malfunction was first recorded e The illuminated MIL for the vehicle identification number related faults is extinguished when the vehicle identification number is detected NOTE Sensor 1 of the heated oxygen sensor indicates the sensor mounted at a position closest to the engine and sensor 2 of the heated oxygen sensor indicates the sensor mounted at the position second clos est to the engine TSB Revision 1 3A 1 4 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS HOW TO CONNECT THE SCAN TOOL M U T III Required Special Tools MB991958 Scan Tool M U
163. olute Pressure Circuit Low Input P 13A 134 DTC P0108 Manifold Absolute Pressure Circuit High Input P 13A 142 STEP 3 Using scan tool MB991958 read the diagnostic trouble code DTC 1 Turn the ignition switch to the ON position 2 Erase the DTC 3 Start the engine 4 Turn the ignition switch to LOCK OFF position and then wait 2 seconds 5 Turn the ignition switch to the ON position 6 Set scan tool MB991958 read the DTC 7 Turn the ignition switch to the LOCK OFF position Q Is DTC P0069 set YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 4 It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 TSB Revision 13 92 MULTIPORT FUEL INJECTION MFI LLL MULTIPORTFUELINJECTION MFI DIAGNOSIS STEP 4 Using scan tool MB991958 read the diagnostic trouble code DTC 1 Turn the ignition switch to the ON position 2 Erase the DTC 3 Start the engine 4 Turn the ignition switch to LOCK OFF position and then wait 2 seconds 5 Turn the ignition switch to the ON position 6 Set scan tool MB991958 read the DTC 7
164. ommunication error in torque reduction request lt 55 gt P 13A 650 Battery backup circuit malfunction P 13A 653 Variant coding P 13A 657 Fuel level sensor sub circuit range performance P 13A 659 Throttle actuator control motor circuit open P 13A 663 Throttle actuator control motor magneto malfunction P 13A 668 Accelerator pedal position sensor main circuit low input TSB Revision P 13A 672 MULTIPORT FUEL INJECTION MFI DIAGNOSTIC ITEM Accelerator pedal position sensor main circuit high input P 13A 677 Accelerator pedal position sensor sub circuit low input P 13A 682 Accelerator pedal position sensor sub circuit high input P 13A 687 Throttle position sensor main and sub range performance problem P 13A 691 Accelerator pedal position sensor main and sub range performance problem P 13A 697 Heated Oxygen Sensor front Inactive P 13A 704 Barometric pressure circuit low input P 13A 707 Barometric pressure circuit high input P 13A 709 Heated oxygen sensor offset circuit low voltage P 13A 711 Heated oxygen sensor offset circuit high voltage P 13A 713 Intake charge system malfunction P 13A 715 Bus off TC SST ECU time out lt TC SST gt 1 718 P 13A 719 ASC ECU time out P 13A 723 ETACS ECU time out Immobilizer communication error P 13A 727 P 1
165. on if accelerator pedal position sensor sub fails Accelerator pedal position sensor main circuit high input Accelerator pedal position sensor Sub circuit low input Accelerator pedal position sensor sub circuit high input e Throttle opening degree is restricted e Throttle opening degree position is in default position if accelerator pedal position sensor sub fails e Throttle opening degree is restricted e Throttle opening degree position is in default position if accelerator pedal position sensor main fails e Throttle opening degree is restricted e Throttle opening degree position is in default position if accelerator pedal position sensor main fails Throttle position sensor main and sub range performance problem Throttle opening degree position is in default position TSB Revision MULTIPORT FUEL INJECTION MFI DIAGNOSTIC ITEM Accelerator pedal position sensor main and sub range performance problem e Throttle opening degree is restricted e Throttle opening degree position is in default position if accelerator pedal position sensor sub fails Barometric pressure circuit low input Control as if the barometric pressure is 101 kPa Barometric pressure circuit high input Control as if the barometric pressure is 101 kPa Heated oxygen sensor offset circuit high voltage Does not control air fuel ratio closed loop Intake charge s
166. on sensor main Barometric pressure sensor Barometric pressure sensor kPa or in Hg Relative TP sensor Relative throttle position sensor TP sensor sub APP sensor main Throttle position sensor sub Accelerator pedal position sensor main APP sensor sub Accelerator pedal position sensor sub TSB Revision 13A 24 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS M U T Ill SCAN TOOL DISPLAY DATA ITEM UNIT or STATE Fuel system status bank 1 Fuel system status Open loop Closed loop Open loop drive condition Open loop DTC set Closed loop O2 rear failed Fuel system status bank 2 Fuel system status bank 2 N A Calculated load value ECT sensor Calculated load value Engine coolant temperature sensor Short term fuel trim bank 1 Short term fuel trim Short term fuel trim bank 3 Short term fuel trim bank 3 Long term fuel trim bank 1 Long term fuel trim Long term fuel trim bank 3 Long term fuel trim bank 3 MAP sensor Manifold absolute pressure sensor kPa or in Hg Crankshaft position sensor Vehicle speed Crankshaft position sensor Vehicle speed r min km h or mph Spark advance Spark advance deg Intake air temperature sensor Intake air temperature sensor Cor F Time since engine running
167. onnector B 18 at the manifold absolute pressure sensor and harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 4 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 7 STEP 4 Check for open circuit between manifold absolute pressure sensor connector B 18 terminal No 2 and ECM connector B 09 terminal No 46 Q Is the harness wire in good condition YES Go to Step 5 Repair it Then go to Step 7 STEP 5 Using scan tool MB991958 check data list item 8 Manifold Absolute Pressure Sensor 1 Turn the ignition switch to the ON position 2 Set scan tool MB991958 to the data reading mode for item 8 Manifold Absolute Pressure Sensor e When altitude is 0 m 0 foot 101 kPa 29 8 in Hg e When altitude is 600 m 1 969 feet 95 kPa 28 1 in Hg e When altitude is 1 200 m 3 937 feet 88 kPa 26 0 in Hg e When altitude is 1 800 m 5 906 feet 81 kPa 23 9 in Hg 3 Start the engine e When the engine is idling 31 45 kPa 9 1 13 3 in Hg e When the engine is suddenly revved manifold absolute pressure varies 4 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 Replac
168. onverter Throttle opening degree position is in default position Accelerator pedal position sensor plausibility Throttle opening degree position is in default position Mass airflow sensor plausibility torque monitor Throttle opening degree position is in default position Engine RPM plausibility Throttle opening degree position is in default position Ignition angle Ignition retard is not carried out Torque monitor Throttle opening degree position is in default position Fail safe control monitor Throttle opening degree position is in default position Inquiry response error Microcomputer is reset RAM test for all area Microcomputer is reset Cycle RAM test engine TC SST plausibility lt TC SST gt Microcomputer is reset Torque requested by TC SST ECU is ignored TCM to ECM communication error in torque reduction request lt TC SST gt Engine output is restricted Battery backup circuit malfunction All diagnosis codes are stored once failure judgment is completed Throttle actuator control motor circuit open Throttle actuator control motor magneto malfunction Throttle opening degree position is in default position Throttle opening degree position is in default position Accelerator pedal position sensor main circuit low input e Throttle opening degree is restricted e Throttle opening degree position is in default positi
169. ood condition YES Go to Step 5 NO Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 6 TSB Revision MULTIPORT FUEL INJECTION MFI 13 173 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 5 Check the engine coolant temperature sensor Refer to Engine Coolant Temperature Sensor Check P 13A 907 Q Is the engine coolant temperature sensor normal YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 6 Replace the engine coolant temperature sensor Then go to Step 6 STEP 6 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0117 set YES Retry the troubleshooting NO The inspection is complete TSB Revision 2 MULTIPORT FUEL INJECTION MFI 1 174 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0118 Engine Coolant Temperature Circuit High Input ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT B 08 MU802406 ENGINE COOLANT A TEMPERATURE SENSOR 12 O lt E 27 26 ENGINE CONTROL MODULE SS O GX2Xexexzxex
170. or There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision 13A 176 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart conditions Output voltage 0 1V No Continuous failure for 2secs Malfunction Yes Output voltage gt 4 6V No Check Condition e 2 seconds or more have passed since the engine starting sequence was completed Judgement Criterion e Engine coolant temperature sensor output volt age has continued to be 4 6 volts or higher for 2 seconds FAIL SAFE AND BACKUP FUNCTION e Control as if the engine coolant temperature is 80 C AK604317 OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Engine coolant temperature sensor failed e Open engine coolant temperature sensor circuit or connector damage ECM failed TSB Revision MULTIPORT FUEL INJECTION MFI 13A 177 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSIS Required Special Tools MB991958 Scan Tool M U T Il Sub Assembly e MB991824 V C I e MB991827 USB Cable e MB991910 Main Harness A e MB992110 Power Plant ECU Check Harness STEP 1 Using scan tool MB991958
171. or front 13 Heated oxygen sensor rear AK703839 AB NOTE For the vacuum routing refer to GROUP 17 Emission Control Vacuum Hoses Hose Rout ing P 17 70 TSB Revision 5 Throttle body MULTIPORT FUEL INJECTION MFI 13A 5 GENERAL SPECIFICATIONS GENERAL SPECIFICATIONS Throttle bore mm in M1131000201240 SPECIFICATIONS 60 2 36 Throttle position sensor Throttle actuator control motor Hall element type DC motor type having brushes Engine control module ECM Identification model No 6 72671 lt gt 6 72672 lt 55 gt Sensors Mass airflow sensor Barometric pressure sensor Heat sensitizing type Semi conductor type Intake air temperature sensor 1 Thermistor type Intake air temperature sensor 2 Thermistor type Engine coolant temperature sensor Thermistor type Heated oxygen sensor Zirconia type Accelerator pedal position sensor Hall element type Camshaft position sensor Magneto resistance element type Crankshaft position sensor Magneto resistance element type Knock sensor Piezoelectric type Power steering pressure switch Manifold absolute pressure sensor Contact switch type Semiconductor type Clutch pedal position switch lt gt Contact switch type Actuators Fuel pressure regulator Multiport fuel injection MFI relay Contact switch
172. p circuit malfunction Variant coding Fuel level sensor sub circuit range performance Throttle actuator control motor circuit open Throttle actuator control motor magneto malfunction Accelerator pedal position sensor main circuit low input Accelerator pedal position sensor main circuit high input Accelerator pedal position sensor sub circuit low input Accelerator pedal position sensor sub circuit high input Throttle position sensor main and sub range performance problem Accelerator pedal position sensor main and sub range performance problem Heated oxygen sensor front inactive Barometric pressure circuit low input Barometric pressure circuit high input Heated oxygen sensor offset circuit low voltage Heated oxygen sensor offset circuit high voltage TC SST ECU time out lt TC SST gt ASC ECU time out ETACS ECU time out Combination meter time out NOTE If the Malfunction Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp illuminates because of a malfunction of the engine control module ECM communication between the scan tool MB991958 sub assembly and the ECM is impossible In this case the diagnostic trouble code cannot be read NOTE After the ECM has detected a malfunction the Malfunction Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp illuminates when the engine is next turned on and the same malfunction is re detected However for items marked with a in the DTC NO c
173. parated connec tors Then connect the oscilloscope probe to the check har ness connector terminal No 8 crankshaft position sensor and terminal 7 exhaust camshaft position sensor 5 Start the engine and run at idle 6 Check the waveform e The waveform should show a pattern similar to the illus tration 7 Turn the ignition switch to the LOCK OFF position Q Is the waveform normal YES Go to Step 2 NO Goto Step 3 TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 65 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 2 Check the trouble symptoms 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 20 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0017 set YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 4 It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 STEP 3 Check timing mark on the timing chain Q Is timing chain in out of place YES Repair it Then go to Step 4 NO Check the following items and repair or replace the defective items a Check the t
174. r FR terminal circuit malfunction P 13A 568 Vehicle Identification Number VIN malfunction P 13A 573 Throttle actuator control motor circuit range performance P 13A 575 Throttle position sensor power supply P 13A 579 Throttle actuator control motor relay circuit malfunction Clutch pedal position switch circuit range performance P 13A 581 P 13A 589 Intake engine oil control valve circuit P 13A 594 Exhaust engine oil control valve circuit Active stability control plausibility P 13A 601 P 13A 607 Fail safe system Throttle position sensor main plausibility P 13A 609 P 13A 610 Throttle position sensor sub plausibility P 13A 614 Mass airflow sensor plausibility P 13A 617 A D converter P 13A 620 Accelerator pedal position sensor plausibility P 13A 621 Mass airflow sensor plausibility torque monitor P 13A 624 Engine RPM plausibility P 13A 628 Ignition angle P 13A 630 Torque monitor P 13A 631 Fail safe control monitor Inquiry response error P 13A 635 P 13A 637 RAM test for all area P 13A 638 Cycle RAM test engine P 13A 639 TC SST plausibility lt 55 gt P 13A 640 Ignition timing retard insufficient Idle control system RPM lower than expected at low temperature P 13A 641 P 13A 644 Idle control system RPM higher than expected at low temperature P 13A 647 TCM to ECM c
175. r for damage and repair or replace as required Refer to GROUP OOE Harness Connector Inspection 00 2 If intermediate connector is in good condition repair harness wire between intake air temperature sensor 2 connector B 16 terminal No 1 and ECM connector B 10 terminal No 98 because of open circuit Then go to Step 9 NO Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 9 Power plant ECU check harness connector STEP 6 Check the continuity at intake air temperature sensor 2 harness side connector B 16 1 Disconnect the connector B 16 and measure at the harness side 2 Check for the continuity between terminal No 2 and ground B 16 harness Continuity 2 ohms or less connector component side QU Q Does continuity exist YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt a P 42C 9 Then go to Step 9 NO Go to Step 7 TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 06 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 7 Check harness connector B 1
176. re is range performance problem sensor 1 25 C Intake air temperature circuit low input Control as if the intake air temperature is sensor 1 25 C Intake air temperature circuit high input Control as if the intake air temperature is sensor 1 25 C Engine coolant temperature circuit Control as if the engine coolant temperature range performance problem is 80 C Engine coolant temperature circuit low input Control as if the engine coolant temperature is 80 C Engine coolant temperature circuit high input Control as if the engine coolant temperature is 80 C Throttle position sensor main circuit low e Throttle opening degree is restricted input e Throttle opening degree position is in default position if throttle position sensor sub fails Throttle position sensor main circuit high e Throttle opening degree is restricted input e Throttle opening degree position is in default position if throttle position sensor sub fails Insufficient coolant temperature for closed Control as if the engine coolant temperature loop fuel control is 80 C Throttle position sensor sub circuit low input e Throttle opening degree is restricted e Throttle opening degree position is in default position if throttle position sensor main fails Throttle position sensor sub circuit high e Throttle opening degree is restricted input e Throttle opening degree position is in default position if throttle position sensor main fail
177. rrent Driving Cycle ECM monitors angular acceleration of crankshaft and detect misfire Misfire counts for last current driving cycle The test fails if test value is less than this value NOTE 2 Maximum value The test fails if test value is greater than this value NOTE When not finishing the monitor of the driving cycle for the request of On Board Monitoring Test Request the ECM outputs the stored latest monitor test result NOTE When the monitored test results are erased by the battery disconnection and so on the ECM outputs the values in hexadecimal of 0000 or FFFF otherwise it outputs abnormal values and so on In case of this the ECU outputs are handled as invalid values When the first monitor Readiness Status is completed after this the ECM outputs the valid values NOTE Test Limit Type amp Component ID byte output from the ECM is given in hexadecimal of 00 or 80 00 means the maximum value and 80 means the minimum value TSB Revision x 1 count 13A 22 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS 7 991827 608435 DIAGNOSTIC BY DIAGNOSTIC TEST MODE II INCREASED SENSITIVITY Required Special Tools MB991958 Scan tool M U T Il Sub Assembly MB991824 e MB991827 USB Cable e MB991910 Main Harness A A CAUTION To prevent damage to scan tool MB991958 always turn
178. s Turbocharger wastegate system malfunction Fuel is cut in abnormal engine overboost condition TSB Revision MULTIPORT FUEL INJECTION MFI DIAGNOSTIC ITEM Random multiple cylinder misfire detected The supply of fuel to the misfiring cylinder can possibly be cut Cylinder 1 misfire detected The supply of fuel to the misfiring cylinder can possibly be cut Cylinder 2 misfire detected The supply of fuel to the misfiring cylinder can possibly be cut Cylinder 3 misfire detected The supply of fuel to the misfiring cylinder can possibly be cut Cylinder 4 misfire detected Knock sensor circuit low The supply of fuel to the misfiring cylinder can possibly be cut Fix the ignition timing with an allowance against knock Knock sensor circuit high Fix the ignition timing with an allowance against knock Intake camshaft position sensor circuit e Engine runs in learned pattern until engine stops e Does not control variable valve timing V V T Exhaust camshaft position sensor circuit Does not control variable valve timing V V T Immobilizer malfunction Engine control module main processor malfunction Engine start is prohibited Throttle opening degree position is in default position Generator FR terminal circuit malfunction Prohibits generator output suppression control against current consum
179. s Continuous failure for 2secs Yes Malfunction AK604309 FAIL SAFE AND BACKUP FUNCTION e None OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 6 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are Mass airflow sensor failed e Mass airflow sensor circuit harness damage or connector damage ECM failed TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 11 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DIAGNOSIS Required Special Tools MB991958 Scan tool M U T Il Sub Assembly MB991824 MB991827 USB Cable e MB991910 Main Harness A STEP 1 Using scan tool MB991958 check data list item 10 Mass Airflow Sensor N CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991958 to the data link connector 2 Start the engine and run at idle 3 Set scan tool MB991958 to the data reading mode for item 10 Mass Airflow Sensor 4 Warm up the engine to normal operating temperature 80 C to 95 C 176 F to 203 F e The standard value during idling should be between 1 300 and 1 650 millivolts e When the engine is revved the mass airflow rate should increase according to the increase in engine speed 5 Turn the ignition switch to the LOCK OFF position
180. s status Codes to see if the vehicle is ready for OBD II testing Incomplete Not Ready codes will be one of the triggers for I M failure OVERVIEW The ECM monitors the following main diagnosis items and records whether the evaluation was com pleted or is incomplete The Readiness Codes are established for the programs thereby confirming that the vehicles have not been tampered with by erasing the diagnostic trouble code s DTCs before 3 Turn the ignition switch to LOCK OFF position 4 Confirm that the diagnostic trouble code DTC is not output I M testing The Readiness Codes and DTCs be reset by disconnecting the battery or by erasing the codes with a scan tool MB991958 M U T III sub assembly For this reason all the Readiness Codes must be displayed Complete before testing When the monitors run and complete the scan tool MB991958 M U T III sub assembly will display the Readiness Codes as Complete General Scan Tools display as Ready When the vehicle is oper ating normally and the OBD II Drive Cycle is carried out the Readiness Codes will be set as Complete on the first drive cycle For DTCs requiring two drive cycles to detect a fault the second drive cycle is required to set the Readiness Codes as Complete if a fault is detected during the first drive cycle If the fault is still there after the second drive cycle a DTC will be set Catalyst P0420 Evaporative system P044
181. s the harness wire in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 10 Repair it Then go to Step 10 STEP 10 Test the OBD II drive cycle 1 Carry out a test drive with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 23 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0113 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 63 MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0116 Engine Coolant Temperature Circuit Range Performance Problem ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT B 08 MU802406 ENGINE COOLANT A TEMPERATURE SENSOR 12 O lt E 27 26 ENGINE CONTROL MODULE SS O GX2Xexexzxexextot 26362 9 2 B 49292922232465000208090 61 62 63 62 6969676869606 4263424549 47 60 535253525550625969606362 63 62 B 09 AK603948 AD Connector B 08 4 NLP Sao Kyu CCI Vers TEN EN E E Y uA on Engine c olant 2225 M 42 2 temperature sensor Ne M Sa 20 Pe H AK704227 TSB Revision 13A 164 MULTIPORT FUEL INJECTION MFI
182. s whether the heater current is within a specified range when the heater is ener gized e The ECM checks whether the heater voltage is within a specified range when the heater is not energized AK704227 AB Connector C 34 7 Lf 2 n LE SANE Heated oxygen A FIE 28 G Sea 1 Se KA 9 RS AB AK704228 AB DESCRIPTIONS OF MONITOR METHODS Heated oxygen sensor heater front current or volt age is out of specified range MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision 13A 68 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC SET CONDITIONS Logic Flow Chart Start Yes Yes Current 0 17A or Current 10 5A Monitoring conditions Voltage 2 0V Yes No Malfunction lt I Continuous failure for 2secs Yes Check Conditions e More than 2 seconds have passed since the engine starting sequence was completed e While the heated oxygen sensor front heater is on e Battery positive voltage is between 11 and 16 5 volts Judgement Criterion e The heated oxygen sensor front heater current has continued to be lower than 0
183. sistor When the intake air temperature rises the resistance decreases e The intake air temperature sensor 1 output volt age increases when the resistance increases and decreases when the resistance decreases 704241 AK704235 TECHNICAL DESCRIPTION e The intake air temperature sensor 1 converts the intake air temperature to a voltage The ECM checks whether this voltage is within specified range DESCRIPTIONS OF MONITOR METHODS Intake air temperature sensor 1 output voltage is out of specified range MONITOR EXECUTION Continuous TSB Revision 13A 158 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable DTC SET CONDITIONS Logic Flow Chart Start conditions Yes Output voltage 0 2V Yes Continuous failure for 2secs Yes Malfunction Sensor sensor below is determined to be normal e Not applicable Yes Output voltage 4 6V No Check Condition e 2 seconds more have passed since the engine starting sequence was completed Judgement Criterion e Intake air temperature sensor 1 output voltage has continued to be 4 6 volts or higher corre sponding to an intake air temperature of 40 40 or lower for
184. sor connector is disconnected with the ignition switch turned on the diagnostic trouble code is memorized In this case send the diagnostic trouble code erase signal to the ECM in order to erase the diagnostic memory The 134 diagnostic items are all indicated sequentially from the smallest code number The ECM records the engine operat ing condition when the diagnostic trouble code is set This data is called Freeze frame data This data can be read by using the scan tool and can then be used in simulation tests for troubleshooting Data items are as follows NOTE If the ECM detects multiple malfunctions the ECM stores the Freeze frame data for only the first item that was detected However if the ECM detects a misfire or a fuel system malfunction the ECM stores the data by giving priority to the misfire or fuel system malfunction regardless of the order in which the malfunction was detected NOTE As for Diagnostic trouble code P1603 Freeze frame data is not memorized Odometer Odometer Ignition cycle Warm up cycle Ignition cycle Warm up cycle Accumulated minute Accumulated minute NOTE The total time in which the failure determination is carried out while the ignition switch is in the ON position Freeze Frame Data for M U T III M U T IIl SCAN TOOL DISPLAY DATA ITEM UNIT or STATE Airflow sensor Mass airflow sensor 4 5 TP sensor main Throttle positi
185. such as when the headlights are turned on Evaporative Emission Purge Control Refer to GROUP 17 Emission Control rative Emission Control System General Infor mation P 17 74 TSB Revision 13A 4 MULTIPORT FUEL INJECTION MFI GENERAL INFORMATION MULTIPORT FUEL INJECTION MFI SYSTEM DIAGRAM Decide Mass airflow sensor Intake air temperature sensor 1 Throttle position sensor main Throttle position sensor sub Manifold absolute pressure sensor Intake air temperature sensor 2 Engine coolant temperature sensor Intake camshaft position sensor Exhaust camshaft position sensor 10 Crankshaft position sensor 11 Knock sensor 12 Heated oxygen sensor front 13 Heated oxygen sensor rear 14 Fuel tank differential pressure sensor 15 Fuel tank temperature sensor Accelerator pedal position sensor main Accelerator pedal position sensor sub Engine oil pressure switch Power steering pressure switch Generator FR terminal Generator L terminal Clutch pedal position switch lt M T gt Ignition switch IG Ignition switch ST Power supply CAN communication input signal with barometric pressure sensor 5 Evaporative emission purge solenoid Bypass valve WM Act gt fe 1 Mass airflow sensor Intake air temperature 8 Intake camshaft position sensor Intake engine oil control valve Exhaus
186. sure More than 76 kPa 22 5 inHg Fuel temperature Less than 36 C 96 F Condition of TC SST Shift lever D range Start the engine with all the accessories switched OFF Drive the vehicle for 16 minutes at the following conditions During the monitor e Engine speed More than 1 600 r min less than 4 000 r min e Vehicle speed More than 30 km h 18 7 mph e Engine load More than 20 less than 50 e Without rapid accelerator pedal movement NOTE Keep running as long as possible with the power steering pressure switch in the OFF position NOTE When the system is normal the monitor is completed earlier 3 Stop the vehicle in a safe place and turn the ignition switch to LOCK OFF position 4 Start the engine and do Steps 1 to 3 again NOTE When the vehicle is operating normally and the OBD II Drive Cycle is carried out the Readiness Codes will be set as Complete on the first drive cycle The second drive cycle is required to set the Readiness Codes as Complete if a fault is detected during the first drive cycle 5 Confirm that the diagnostic trouble code DTC is not output Test procedure N TSB Revision MULTIPORT FUEL INJECTION MFI 13A 31 MULTIPORT FUEL INJECTION MFI DIAGNOSIS PATTERN 5 Inspection e Engine coolant temperature at engine start Less than 36 C 96 F conditions e Intake air temperature at engine start Less than 36 C 96 F e Fuel amount a
187. t engine oil control valve Throttle actuator control motor Injector Evaporative emission purge solenoid Evaporative emission ventilation solenoid Turbocharger wastegate solenoid 1 Turbocharger wastegate solenoid 2 Ignition coil ignition power transistor Multiport fuel injection MFI relay Fuel pump relay 1 Fuel pump relay 2 Starter relay Throttle actuator control motor relay Generator G terminal Heated oxygen sensor heater A C compressor relay CAN communication output signal 3 Throttle position sensor main 4 Throttle position sensor sub Throttle actuator control motor x5 Manifold absolute pressure sensor Check valve 6 Intake air Fuel temperrature 5 Intake engine sensore regulator oil control valve 14 Fuel tank differential puressure sensor sensor 1 4 Injector Evaporative emission LI y canister D e 7 Engine coolant oA temperature sensor Fuel tank Turbocharger Fuel pump wastegate actuator 6 Evaporative Fuel level XS Knock sensor emission sensor ventilation 7 Turbocharger solenoid 415 Fuel tank wastegate solenoid 1 10 Crankshaft position sensor temperature sensor 8 Turbocharger prea I 9 Exhaust camshaft position sensor wastegate solenoid 2 12 Heated oxygen sens
188. t engine start More than 40 less than 85 96 e Engine coolant temperature More than 20 C 68 F Intake air temperature More than 5 C 41 F e Barometric pressure More than 76 kPa 22 5 inHg e Fuel temperature Less than 32 C 90 F Test 1 Start the engine with all the accessories switched OFF procedure 2 Let the engine idle for 16 minutes During the monitor NOTE When the system is normal the monitor is completed earlier 3 Turn the ignition switch to LOCK OFF position 4 Start the engine and do Steps 1 to 3 again NOTE When the vehicle is operating normally the OBD II Drive Cycle is carried out the Readiness Codes will be set as Complete on the first drive cycle The second drive cycle is required to set the Readiness Codes as Complete if a fault is detected during the first drive cycle 5 Confirm that the diagnostic trouble code DTC is not output PATTERN 6 Drive cycle pattern Engine speed During the monitor During the monitor 2 000 min p 5 9 Idling onn switch LOCK OFF 2 Seconds AK402442AC Inspection e Engine coolant temperature at engine start More than 0 C 32 F conditions e Condition of TC SST Shift lever D range Test Start the engine with all the accessories switched OFF procedure 1 2 Let the engine idle for 30 seconds During the monitor 3 Accelerate the vehicle for 2 seconds at the following conditions During the monitor e Engine speed More t
189. tage between 4 5 and 4 9 volts YES Go to Step 8 NO Go to Step 7 B 08 harness connector component side 604181 STEP 7 Check harness connector 09 at for damage Q Is the harness connector in good condition YES Replace the ECM When the ECM is replaced register the ID code Refer to GROUP 42B ID Code Registration Necessity Judgment Table Vehicles with KOS P 42B 12 or GROUP 42C ID Codes Registration Judgment Table Vehicles with WCM gt P 42C 9 Then go to Step 14 NO Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 14 STEP 8 Check the continuity at engine coolant temperature sensor harness side connector B 08 1 Disconnect the connector B 08 and measure at the harness side 2 Check for the continuity between terminal No 2 and ground e Continuity 2 ohms or less B 08 harness connector component side Q Does continuity exist YES Go to Step 11 NO Goto Step 9 AK604180AD TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 99 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 9 Check harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 10 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 14 STEP 10 Check for harness damage between engine coolant temperature sensor conne
190. tage between terminal No 2 and ground by backprobing e Voltage should be 0 5 volt or less 4 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage 0 5 volt or less YES Go to Step 9 NO Go to Step 7 STEP 7 Check harness connector B 18 at the manifold absolute pressure sensor and harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 8 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 13 STEP 8 Check for harness damage between manifold absolute pressure sensor connector B 18 terminal No 2 and ECM connector B 09 terminal No 46 Q Is the harness wire in good condition YES Go to Step 12 Repair it Then go to Step 13 STEP 9 Check harness connector B 18 at manifold absolute pressure sensor for damage Q Is the harness connector in good condition YES Replace the manifold absolute pressure sensor Then go to Step 13 NO Repair or replace it Refer to GROUP OOE Harness Connector Inspection 00 2 Then go to Step 13 STEP 10 Check harness connector B 18 at the manifold absolute pressure sensor and harness connector B 09 at ECM for damage Q Is the harness connector in good condition YES Go to Step 11 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 13 TSB Revision MULTIPORT
191. the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool 991958 NOTE When mode 1 is selected with MB991958 the Malfunc tion Indicator Lamp SERVICE ENGINE SOON or Check Engine Lamp will light when the engine control module ECM first detects the trouble Note that this is only for emis sion related trouble At the same time the relevant diagnostic trouble codes will be registered In respect to the comprehen sive component electrical faults opens shorts the time for the diagnostic trouble code to be registered after the fault occur rence is four seconds one second Therefore the confirma tion of the trouble symptom and the confirmation after completing repairs can be reduced To return to the normal mode after mode II has been selected once the ignition switch must be turned OFF once or mode must be rese lected with the scan tool MB991958 The diagnostic trouble code system readiness test status and freeze frame data etc Will be erased when mode is returned to so record these before returning to mode l 1 Connect scan tool 991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Change the diagnostic test mode of the engine control module to DIAGNOSTIC TEST MODE II INCREASED SENSITIVITY 4 Road test the vehicle 5 Read the diagnostic trouble code and repair the malfunctioning part 6 Turn the ignition switch to the LOCK
192. the ECM terminal No 12 A voltage that is according to the throttle opening angle is sent to the ECM terminal No 10 from the throttle position sensor main output terminal terminal No 4 e The ground terminal terminal No 3 is grounded with ECM terminal No 13 TECHNICAL DESCRIPTION e The throttle position sensor main outputs volt age which corresponds to the throttle valve open ing angle e The ECM checks whether the voltage is within a specified range Connector 11 IE Throttle body assembly B 11 B incorporating throttle position sensor 7 J Radiator cap UM 1 AK704247AB DESCRIPTIONS OF MONITOR METHODS Throttle position sensor main output voltage is out of specified range MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal e Not applicable TSB Revision MULTIPORT FUEL INJECTION MFI E ution FUEL men oiaGnosis 13 187 DTC SET CONDITIONS Logic Flow Chart Start Output voltage lt 0 2V Output voltage gt 4 8V Continuous failure for 0 3sec Malfunction AK604318 Check Condition OBD II DRIVE CYCLE PATTERN e Ignition switch is ON position None Judgement Criterion Throttle position sensor
193. ture sensor 2 harness side connector B 16 1 Disconnect the connector B 16 and measure at the harness side 2 Turn the ignition switch to the ON position 3 Measure the voltage between terminal No 1 and ground e Voltage should be between 4 5 and 4 9 volts 4 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage between 4 5 and 4 9 volts YES Go to Step 6 NO Goto Step 4 STEP 4 Check harness connector B 10 at ECM for damage Q Is the harness connector in good condition YES Go to Step 5 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 9 TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 05 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 5 Measure the sensor supply voltage at ECM connector B 10 by using power plant ECU check harness special tool MB992110 1 Disconnect all ECM connectors Connect the power plant ECU check harness special tool MB992110 between the separated connectors 2 Disconnect the intake air temperature sensor 2 connector B 16 3 Turn the ignition switch to the ON position Body side harness 4 Measure the voltage between terminal No 98 and ground e Voltage should be between 4 5 and 4 9 volts 5 Turn the ignition switch to the LOCK OFF position Q Is the measured voltage between 4 5 and 4 9 volts YES Check harness connector A 13 at intermediate connecto
194. turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 1 Connect scan tool MB991956 to the data link connector Turn the ignition switch to the ON position Select System select Choose from 2006 MY under MODEL YEAR Check that Vehicle Information contents are correct Choose MFI Select Diagnostic Trouble Code Ifa DTC is set it is shown Choose Erase DTCs to erase the DTC Data link eel O ON DOA MB991827 AC608435 AB TSB Revision 1 3A 1 6 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS HOW TO READ DATA LIST Re quired Special Tools MB991958 Scan Tool M U T Ill Sub Assembly MB991824 MB991827 USB Cable e MB991910 Main Harness A N CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool MB991958 Data link connector CON OO BW MB991827 AC608435 AB Connect scan tool MB991958 to the data link connector Turn the ignition switch to the ON position Select System select Choose from 2006 MY under MODEL YEAR Check that Vehicle Information contents are correct Choose MFI Select Data List Choose an appropriate item and select the OK button
195. ty 2 ohms or less Q Does continuity exist YES Go to Step 7 NO Goto Step 4 TSB Revision MULTIPORT FUEL INJECTION MFI 1 124 MULTIPORT FUEL INJECTION MFI DIAGNOSIS STEP 4 Check harness connector B 10 at ECM for damage Q Is the harness connector in good condition YES Go to Step 5 Repair or replace it Refer to GROUP 00 Harness Connector Inspection 00 2 Then go to Step 8 STEP 5 Check for open circuit between mass airflow sensor connector A 07 terminal No 4 and ECM connector B 10 terminal No 88 Q Is the harness wire in good condition YES Go to Step 6 NO Repair it Then go to Step 8 STEP 6 Using scan tool MB991958 check data list item 10 Mass Airflow Sensor 1 Start the engine and run at idle 2 Set scan tool MB9919568 to the data reading mode for item 10 Mass Airflow Sensor 3 Warm up the engine to normal operating temperature 80 C to 95 C 176 F to 203 F e The standard value during idling should be between 1 300 and 1 650 millivolts e When the engine is revved the mass airflow rate should increase according to the increase in engine speed 4 Turn the ignition switch to the LOCK OFF position Q Is the sensor operating properly YES It can be assumed that this malfunction is intermittent Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points How to Cope with Intermittent Malfunctions P 00 15 NO Replace the ECM Wh
196. type Fuel pump relay Contact switch type Throttle actuator control motor relay Injector type and number Contact switch type Electromagnetic type 4 Injector identification mark JME600G Engine oil control valve Duty cycle type solenoid valve Evaporative emission purge solenoid Duty cycle type solenoid valve Turbocharger wastegate solenoid Regulator pressure kPa psi Duty cycle type solenoid valve 329 48 TSB Revision 13 6 MULTIPORT FUEL INJECTION MFI SERVICE SPECIFICATIONS SERVICE SPECIFICATIONS Fuel pressure kPa psi Vacuum hose disconnected M1131000302154 STANDARD VALUE 310 345 45 50 at curb idle Vacuum hose connected Approximately 260 38 at curb idle Intake air temperature sensor 1 resistance kQ 20 C 4 F 13 17 0 32 F 5 4 6 6 20 C 68 F 2 3 3 0 40 C 104 F 1 0 1 5 0 56 0 76 602 140 F 80 C 176 F 0 31 0 43 Intake air temperature sensor 2 resistance kQ 20 C 4 F 13 18 02 32 F 5 1 6 9 20 C 68 F 40 C 104 F 2 0 3 0 0 9 1 5 0 40 0 78 60 C 140 80 C 1767 0 23 0 42 Engine coolant temperature sensor resistance 20 4 F 14 17 02 32 F 5 1 6 5 20 C 68 F 2 1 2 7 40 C 104 F 0 9 1 3 0 48 0 68 60 C 140 F
197. uit range performance problem 1 107 Mass airflow circuit low input P 13A 113 Mass airflow circuit high input P 13A 120 Manifold absolute pressure circuit range performance problem P 13A 125 Manifold absolute pressure circuit low input P 13A 134 Manifold absolute pressure circuit high input P 13A 142 Intake air temperature circuit range performance problem sensor 1 P 13A 147 Intake air temperature circuit low input sensor 1 P 13A 153 Intake air temperature circuit high input sensor 1 P 13A 157 Engine coolant temperature circuit range performance problem P 13A 163 Engine coolant temperature circuit low input P 13A 169 Engine coolant temperature circuit high input P 13A 174 Throttle position sensor main circuit low input P 13A 181 Throttle position sensor main circuit high input P 13A 185 Insufficient coolant temperature for closed loop fuel control 1 192 Coolant thermostat coolant temperature below thermostat regulating temperature P 13A 200 Heated oxygen sensor front circuit low voltage P 13A 203 Heated oxygen sensor front circuit high voltage P 13A 211 Heated oxygen sensor front circuit slow response P 13A 215 Heated oxygen sensor front circuit no activity detected P 13A 220 Heated oxygen sensor rear circuit low voltage P 13A 226 Heated oxygen sensor rear circuit high voltage 13 234 TSB Revision MULTIPORT FUEL INJEC
198. usibility monitor Torque monitor P1235 P1238 Wastegate system monitor Idle speed control system monitor Idle speed control system monitor P1506 P1507 Ignition timing retard control cold start strategy monitor P1320 Variable valve timing system MIVEC monitor P0011 P0014 P0016 P0017 Fuel trim monitor Heated oxygen sensor monitor P0171 P0172 P0131 P0137 P2195 TSB Revision MULTIPORT FUEL INJECTION MFI MONITOR ITEM DIAGNOSTIC TROUBLE CODE DTC Intake air temperature sensor monitor P0097 P0098 P0112 P0113 Airflow sensor monitor P0102 P0103 Manifold absolute pressure MAP sensor monitor P0108 Engine coolant temperature sensor monitor P0117 P0118 Heated oxygen sensor monitor P0132 P0138 P2252 P2253 Fuel tank temperature sensor monitor P0182 P0183 Injector monitor P0201 P0202 P0203 P0204 Turbocharger wastgate solenoid monitor P0243 P0247 Knock sensor monitor Crankshaft position sensor monitor P0327 P0328 Evaporative emission purge solenoid monitor Evaporative emission ventilation solenoid monitor Fuel tank pressure sensor monitor P0452 P0453 Fuel level sensor monitor Engine oil control valve monitor P0462 P0463 Engine RPM plausibility monitor Barometric pressure sensor monitor P2228 P2229 TSB Revision 13A 28 MULTI
199. ust variable valve timing sprocket tooth coming off ECM failed TSB Revision 13A 64 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS Oscilloscope Crankshaft position sensor connector AK704086AB Oscilloscope Exhaust camshaft position sensor connector J M 604465 Normal waveform Volt 2 engine revolutions Crankshaft position sensor output wave pattern TU Exhaust camshaft position sensor output ware pattern AK704224 AB DIAGNOSIS Required Special Tools e MB991709 Test Harness e MB992110 Power Plant ECU Check Harness STEP 1 Using the oscilloscope measure output wave pattern at crankshaft position sensor and exhaust camshaft position sensor 1 Disconnect the crankshaft position sensor connector B 13 and connect the test harness special tool MB991709 between the separated connectors 2 Connect the oscilloscope probe to the crankshaft position sensor side connector terminal No 3 3 Disconnect the exhaust camshaft position sensor connector B 05 and connect test harness special tool MB991709 between the separated connectors 4 Connect the oscilloscope probe to the exhaust camshaft position sensor side connector terminal No 3 NOTE When measuring with the ECM side connector dis connect all ECM connectors Connect the check harness special tool MB992110 between the se
200. ut voltage is out Other monitor and Sensor of specified range Other Monitor There is no temporary DTC stored i for the i i bel MONITOR EXECUTION e item monitored below Continuous Sensor The sensor below is determined to be normal e Not applicable DTC SET CONDITIONS Logic Flow Chart e conditions Yes Output voltage 0 2V Yes Output voltage gt 4 6V No Continuous failure for 2secs Malfunction AK604315 Judgement Criterion Intake air temperature sensor 2 output voltage has continued to be 0 2 volt or lower correspond ing to an intake air temperature of 115 C 239 F or higher for 2 seconds Check Condition e 2 seconds or more have passed since the engine starting sequence was completed TSB Revision MULTIPORT FUEL INJECTION MFI 1 1 00 MULTIPORT FUEL INJECTION MFI DIAGNOSIS FAIL SAFE AND BACKUP FUNCTION TROUBLESHOOTING HINTS The most e Control as if the intake air temperature in the likely causes for this code to be set are intake manifold is 25 C Intake air temperature sensor 2 failed e Shorted intake air temperature sensor 2 circuit or OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle e ECM failed Pattern 23 P 13A 9 DIAGNOSIS STEP 1 Check harness connector B 16 at the intake air temperature sensor 2 for damage Q Is the harness connector in good condition YES G
201. ute pressure sensor failed e Open or shorted manifold absolute pressure sen sor circuit harness damage or connector dam age ECM failed TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 1 37 MULTIPORT FUEL INJECTION MFI DIAGNOSIS MB991827 AC608435 AB B 18 harness connector harness side AK203036AM DIAGNOSIS Required Special Tools MB991958 Scan Tool M U T III Sub Assembly MB991824 V C I e MB991827 USB Cable e MB991910 Main Harness A e MB992110 Power Plant ECU Check Harness STEP 1 Using scan tool MB991958 check data list item 8 Manifold Absolute Pressure Sensor CAUTION To prevent damage to scan tool MB991958 always turn the ignition switch to the LOCK OFF position before con necting or disconnecting scan tool 991958 1 Connect scan tool MB991958 to the data link connector 2 Turn the ignition switch to the ON position 3 Set scan tool MB991958 to the data reading mode for item 8 Manifold Absolute Pressure Sensor e When altitude is 0 m 0 foot 101 kPa 29 8 in Hg e When altitude is 600 m 1 969 feet 95 kPa 28 1 in Hg e When altitude is 1 200 m 3 937 feet 88 kPa 26 0 in Hg e When altitude is 1 800 m 5 906 feet 81 kPa 23 9 in Hg 4 Start the engine When the engine is idling 31 45 kPa 9 1 13 3 in Hg e When the engine is suddenly revved manifold absolute pressure varies 5
202. valve close timing exhaust side Maximum threshold value Minimum threshold value 0 MAX 0 MIN AK604370 FAIL SAFE AND BACKUP FUNCTION e None OBD II DRIVE CYCLE PATTERN Refer to Diagnostic Function OBD II Drive Cycle Pattern 20 P 13A 9 TROUBLESHOOTING HINTS The most likely causes for this code to be set are e Timing chain in out of place Loose timing chain Intake variable valve timing sprocket tooth com ing off ECM failed TSB Revision 13A 60 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS Oscilloscope Crankshaft position sensor connector AK704086AB Oscilloscope Intake camshaft position sensor connector J AK604465AD Normal waveform Volt 2 engine revolutions Crankshaft position sensor output wave pattern Intake camshaft position sensor output ware pattern AK704223 AB DIAGNOSIS Required Special Tools e MB991709 Test Harness e MB992110 Power Plant ECU Check Harness STEP 1 Using the oscilloscope measure output wave pattern at crankshaft position sensor and intake camshaft position sensor 1 Disconnect the crankshaft position sensor connector B 13 and connect the test harness special tool MB991709 between the separated connectors 2 Connect the oscilloscope probe to the crankshaft position sensor side connector terminal No 3 3 Disco
203. when pushing ENTER key 13A 7 M1131000602520 Application Reading diagnostic trouble code MFI system inspection Measurement of fuel pressure A CAUTION For vehicles with CAN communication use M U T Ill main harness A to send simulated vehicle speed If you connect M U T Ill main harness B instead the CAN communication does not function correctly MB992110 MB992110 Power plant ECU check harness TSB Revision e Inspection using an oscilloscope e Inspection of the engine control module ECM terminal voltage check MULTIPORT FUEL INJECTION MFI SPECIAL TOOL Tool number and name Supersession Application MB991709 Test harness MB991709 01 Inspection using an oscilloscope MB991658 Test harness Tool not available Inspection using an oscilloscope Inspection of throttle position sensor Inspection of heated oxygen sensor Inspection of engine oil control valve MB992049 MB992049 MB992049 01 Measurement of fuel pressure 992001 992001 Hose adaptor Measurement of fuel pressure MB991981 MB991981 Fuel pressure gauge set Tool not available Measurement of fuel pressure MB992076 MB992076 Injector test set Measurement of fuel pressure MB992042 MB992042 Engine coolant temperature sensor wrench Removal and installation of the engine coolant temperatur
204. will complete the learning process NOTE Check that the ECM ground circuit is normal before checking for the cause of the problem NOTE When the racing 3 000 to 5 000 r min or more continues on the vehicle stopped with no load during the specified time or more the increase in the engine speed might be limited This comes from the engine protection and control functions and is not a malfunction TROUBLE SYMPTOMS INSPECTION REFERENCE PAGE PROCEDURE Communication Communication with ECM only is not possible 1 P 13A 737 with scan tool is impossible Malfunction The Malfunction Indicator Lamp SERVICE 2 P 13A 741 Indicator Lamp ENGINE SOON or Check Engine Lamp does not SERVICE illuminate right after the ignition switch is turned to ENGINE SOON or ON position ee 5 eg The Malfunction Indicator Lamp SERVICE 3 P 13A 742 2 and relate ENGINE SOON or Check Engine Lamp remains pam illuminated and never goes out Starting Cranks won t start 4 P 13A 744 Starts up and dies 5 1 751 Hard starting 6 P 13A 755 Idling stability Unstable idle rough idle hunting 7 1 760 idii Idle speed is high improper idle speed 8 P 13A 764 Idle speed is low improper idle speed 9 P 13A 765 Idling stability When the engine is cold it stalls at idle die 10 P 13A 766 angine stalla When the engine is hot it stalls at idle die out 1
205. witch Time ECM checks the rich to lean switching time of the heated oxygen sensor rear in order to monitor the response of the heated oxygen sensor rear Oxygen Sensor Monitor Bank 1 Sensor 2 Output Voltage drop slope ECM checks the output voltage drop slope of the heated oxygen sensor rear in order to monitor the response of the heated oxygen sensor rear x 1 msec Catalyst Monitor Bank 1 Frequency ratio between Front and Rear Oxygen Sensors ECM monitors the deterioration of catalyst by the output frequency ratio between heated oxygen sensor front and heated oxygen sensor rear x 0 0039 EVAP Monitor Cap off Pressure drop during de pressurizing ECM monitors the leak of fuel evaporation gas by checking whether the pressure can be reduced the amount of pressure reduction using the fuel tank differential pressure sensor after sealing the fuel tank and the fuel line TSB Revision x 0 0117 kPa 13A 20 ON BOARD DIAGNOSTIC MONITOR ID STANDARDIZED MANUFACTURER DEFIND TEST ID MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS MONITORING ITEM EVAP Monitor 0 040 Pressure rise during airtight condition EVAP Monitor 0 020 Pressure rise during airtight condition Mis Fire General Data EWMA Misfire Counts For Last 10 Driving Cycles SIMPLE TECHNICAL DESCRIPTION After ECM vacuumizes the fuel tank and the fuel
206. witch to LOCK OFF position 4 Start the engine and do Steps 1 to 3 again 5 Confirm that the diagnostic trouble code DTC is not output Test procedure TSB Revision 13A 34 MULTIPORT FUEL INJECTION MFI DIAGNOSIS PATTERN 10 Drive cycle pattern MULTIPORT FUEL INJECTION MFI Vehicle speed During the monitor 50 km h 32 mph Ignition 1 4 Switch LOCK OFF 6 Minutes Time AK604701AB Inspection Engine coolant temperature More than 76 C 169 F conditions e Condition of TC SST Shift lever D range Test 1 Start the engine with all the accessories switched OFF procedure 2 Drive the vehicle at 50 km h 31 mph for 6 minutes 3 Release the accelerator pedal for 10 seconds then stop the vehicle in a safe place During the monitor 4 Turn the ignition switch to LOCK OFF position 5 Start the engine and do Steps 1 to 4 again 6 Confirm that the diagnostic trouble code DTC is not output PATTERN 11 Drive cycle pattern Engine speed During the monitor 1 800 Idling 1 Ignition 1 switch 3 Minutes Time LOCK OFF 30 Seconds AK402436AC Inspection e Engine coolant temperature than 82 C 180 F conditions e Condition of TC SST Shift lever D range Test Start the engine with all the accessories switched OFF procedure Let the engine idle for 3 minutes
207. witched OFF Let the engine idle for 10 seconds During the monitor Turn the ignition switch to the LOCK OFF position Start the engine and do Steps 1 to 3 again NOTE When the vehicle is operating normally and the OBD II Drive Cycle is carried out the Readiness Codes will be set as Complete on the first drive cycle The second drive cycle is required to set the Readiness Codes as Complete if a fault is detected during the first drive cycle Confirm that the diagnostic trouble code DTC is not output TSB Revision MULTIPORT FUEL INJECTION MFI 1 3A 29 MULTIPORT FUEL INJECTION MFI DIAGNOSIS PATTERN 3 Drive cycle pattern Engine speed During the monitor During the monitor eh re eue 1 switch 1 5 Minutes Time LOCK OFF E 5 3 Minutes AK402432AD Inspection e Engine coolant temperature More than 30 C 86 F conditions e Intake air temperature More than 40 C 14 F e Barometric pressure More than 76 kPa 22 5 inHg Condition of TC SST Shift lever D range Test 1 Start the engine with all accessories switched OFF procedure 2 Drive the vehicle for 5 minutes at the following conditions During the monitor e Engine speed Less than 3 500 r min e Airflow rate More than 13 g sec less than 45 g sec e Accelerator pedal Except full close e Without rapid accelerator pedal movement 3 Release the acceler
208. with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle 7 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0111 set YES Retry the troubleshooting NO The inspection is complete TSB Revision MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS 1 3A 1 53 DTC P0112 Intake Air Temperature Circuit Low Input sensor 1 INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT A 07 MU805110 OOOO LLI 2 a m x Q lt d 10 88 3 8396 63 62 656867686960076203 62 626869 6X6X6X6X 9X5 09 3530203030363 62 9 are Connector 07 poi 221022 AN i LWA Intake air temperature Y a mass airflow sensor ZA TN A GR _ ane E AK704234 AC CIRCUIT OPERATION e Approximately 5 volts are applied to the intake air temperature sensor 1 output terminal terminal No 1 from the ECM terminal No 89 via the resistor in the ECM The ground terminal termi nal No 4 is grounded with ECM terminal No 88 e The intake air temperature sensor 1 is a negative temperature coefficient type of resistor When the intake air temperature rises the resistance decreases INTAKE AIR TEMPERATURE SENSOR 1 INTEGRATED IN MASS AIRFLOW SENSOR Lu 1 Q gt 89 ENGINE CONTROL MODULE 5V AK704241AB AK704235 AB
209. with the drive cycle pattern Refer to Diagnostic Function OBD II Drive Cycle Pattern 2 P 13A 9 2 Check the diagnostic trouble code DTC Q Is DTC P0038 set YES Retry the troubleshooting NO The inspection is complete TSB Revision 13A 88 MULTIPORT FUEL INJECTION MFI MULTIPORT FUEL INJECTION MFI DIAGNOSIS DTC P0069 Abnormal Correlation Between Manifold Absolute Pressure Sensor And Barometric Pressure Sensor TECHNICAL DESCRIPTION e The ECM detects abnormality in the sensor by comparing the manifold absolute pressure sensor output with the barometric pressure sensor out put DESCRIPTIONS OF MONITOR METHODS The ECM compares the manifold absolute pressure sensor output with the barometric pressure sen sor output while the engine control relay is in ON position after the ignition switch is in LOCK OFF position When the difference exceeds the specified value between them the ECM determines whether the manifold absolute pressure sensor the barometric pressure sensor has malfunction or not MONITOR EXECUTION Continuous MONITOR EXECUTION CONDITIONS Other monitor and Sensor Other Monitor There is no temporary DTC stored in memory for the item monitored below e Not applicable Sensor The sensor below is determined to be normal Mass airflow sensor Engine coolant temperature sensor Intake air temperature sensor Barometric pressure sensor Throttle position sensor M
210. ystem malfunction Fuel is cut in engine overboost condition Immobilizer communication error Engine start is prohibited TSB Revision 13 44 MULTIPORT FUEL INJECTION MFI LL MULTIPORTFUELINJECTION MFI DIAGNOSIS DIAGNOSTIC TROUBLE CODE CHART A CAUTION During diagnosis a DTC code associated with other system may be set when the ignition switch is turned on with connector s disconnected On completion confirm all systems for DTC s If DTC s are set erase them all DIAGNOSTIC ITEM M1131151003399 Intake variable valve timing system target error Camshaft position timing over retarded P 13A 54 Exhaust variable valve timing system target error P 13A 55 Crankshaft camshaft intake position sensor phase problem P 13A 58 Crankshaft camshaft exhaust position sensor phase problem P 13A 62 Heated oxygen sensor front heater circuit low P 13A 66 Heated oxygen sensor front heater circuit high P 13A 73 P0037 Heated oxygen sensor rear heater circuit low P 13A 77 P0038 Heated oxygen sensor rear heater circuit high P 13A 84 Abnormal correlation between manifold absolute pressure sensor and barometric P 13A 88 pressure sensor Intake air temperature circuit range performance problem sensor 2 P 13A 92 Intake air temperature circuit low input sensor 2 P 13A 98 Intake air temperature circuit high input sensor 2 1 101 Mass airflow circ

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