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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L> 13A-697 DTC SET CONDITIONS Logic Flow Chart . Check Conditions • Barometric pressure is lower than 76 kPa (22.4 in.Hg). Judgement Criteria • During 15 times of driving, the changes in the sensor output voltage should be 0.015 volt • Make sure that the engine coolant temperature is 72 °C (162°F) or higher during each of the 15 times of driving. Also, during each of the 15 times °C (41°F) or higher. . OBD-ll DRIVE CYCLE PATTERN − OBD-ll Drive Cycle − Procedure 6 . . TROUBLESHOOTING HINTS (The most likely • Barometric pressure sensor failed. • Harness damage in barometric pressure sensor circuit, or connector damage. • ECM failed. <M/T> • PCM failed. <A/T> DIAGNOSIS Required Special Tools: • MB991958 (MUT-III Sub Assembly) • MB991824: V.C.I. START MONITORING CIRCUIT VOLTAGE MALFUNCTION CONTINUOUS FAILURE FOR 2secs NO YES YES NO < 6V END GOOD NO Yes AK301455 |