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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-545 DTC SET CONDITIONS <Range/Performance problem − alignment> Logic Flow Chart Check Conditions, Judgment Criteria • Normal signal pattern has not been input for cyl- inder identification from the crankshaft position . OBD-II DRIVE CYCLE PATTERN − OBD-II Drive Cycle − Procedure 6 − Other Monitor . . TROUBLESHOOTING HINTS (The most likely • Crankshaft position sensor failed. • Open or shorted crankshaft position sensor cir- cuit, or harness damage, or connector damage. • PCM failed. DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (MUT-III Sub Assembly) • MB991824: V.C.I. • MB991827: USB Cable • MB991910: Main Harness A • MB991658: Test Harness • MB991923: Power Plant ECU Check Harness START END YES NO NO YES MALFUNCTION GOOD CONTINUOUS FAILURE FOR 2secs EXPECTED STATE OF THE SENSOR MONITORING YES NO AK302035 |