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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L> 13A-177 STEP 12. Check the maladjusted throttle position sensor. Q: Is the output voltage normal? YES : Go to Step 13. STEP 13. Using scan tool MB991958, check data list item CAUTION To prevent damage to scan tool MB991958, always turn the 14, Throttle Position Sensor. • With the throttle valve in the idle position, voltage should be between 0.535 and 0.735 volt. • With the throttle valve in the full-open position, voltage should be between 4.5 and 5.5 volts. (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use NO : Replace the ECM or PCM. Then go to Step 14. STEP 14. Test the OBD-II drive cycle. Diagnostic Function − OBD-II Drive Cycle − Procedure 6 − Other Monitor (2) Check the diagnostic trouble code (DTC). YES : Retry the troubleshooting. AK300810 AB MB991911 16-PIN MB991827 MB991824 |