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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-287 DTC SET CONDITIONS . Check Condition • 2 seconds or more have passed since the engine starting sequence was completed. Judgement Criterion • Sensor output voltage has continued to be 4.6 volts or higher for 2 seconds. . OBD-II DRIVE CYCLE PATTERN Refer to Diagnostic Function − OBD-II Drive Cycle − Pattern 23 . TROUBLESHOOTING HINTS (The most • Fuel tank temperature sensor failed. • Open fuel tank temperature sensor circuit, har- ness damage, or connector damage. • ECM failed. DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: V.C.I. • MB991827: USB Cable • MB991910: Main Harness A • MB992110: Power Plant ECU Check Harness End Malfunction No No No Output voltage < 0.1V Output voltage > 4.6V Good AK704390 No Start Yes Yes Yes Yes Continuous Monitoring |