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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-653 DTC SET CONDITIONS Lgic Flow Chart Check Condition • Ignition switch is "ON" position. Judgment Criterion • ECM detects an error in communication between ECM and TCM. . OBD-II DRIVE CYCLE PATTERN None. . TROUBLESHOOTING HINTS (The most • CAN line harness damage or connector damage. • ECM failed. DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: V.C.I. AK604369 Start Yes Yes Yes No No No Continuous failure for specified time Malfunction End Good Monitoring Communication status fails |