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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-247 DTC SET CONDITIONS Logic Flow Chart . Check Conditions • 2 seconds or more have passed since the engine starting sequence was completed. Judgment Criteria • Right bank heated oxygen sensor (rear) output voltage has continued to be 1.2 volts or higher for . OBD-II DRIVE CYCLE PATTERN − OBD-II Drive Cycle − Procedure 6 . . TROUBLESHOOTING HINTS (The most likely • Short circuit in right bank heated oxygen sensor (rear) output line. • Connector damage. • PCM failed. DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (MUT-III Sub Assembly) • MB991824: V.C.I. • MB991827: USB Cable • MB991911: Main Harness B START END NO NO YES YES MALFUNCTION GOOD 2secs HAVE PASSED? OUTPUT VOLTAGE > 1.2V NO YES MONITORING CONDITIONS AK302931 |