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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-509 DTC SET CONDITIONS Logic Flow Chart Check Conditions • Ignition switch is "ON" position. Judgement Criteria • Throttle position sensor (sub) output voltage should be 4.8 volts or more for 0.5 second. . OBD-II DRIVE CYCLE PATTERN . TROUBLESHOOTING HINTS (The most likely • Throttle position sensor failed. • Open throttle position sensor (sub) circuit, har- ness damage, or connector damage. • PCM failed. START YES YES YES NO NO NO CONTINUOUS FAILURE FOR 0.5sec MALFUNCTION END GOOD OUTPUT VOLTAGE < =2.25V OUTPUT VOLTAGE > =4.8V AK302032 |