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IGNITION SWITCH TSB Revision CHASSIS ELECTRICAL 54A-17 . CIRCUIT OPERATION . TECHNICAL DESCRIPTION (COMMENT) • This malfunction may be caused by a defective immobilizer-ECU, PCM, or a defect in the com- • If the MFI system is normal, the MFI relay can be determined as normal. In addition, if the MFI sys- . TROUBLESHOOTING HINTS • Malfunction of the immobilizer-ECU • Malfunction of the PCM • The wiring harness or connectors may have loose, corroded, or damaged terminals, or termi- . DIAGNOSIS Required Special Tools: • MB991223: Harness Set • MB991958: Scan Tool (MUT-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) • MB991827: MUT-III USB Cable • MB991911: MUT-III Main Harness B AC204171BI CONNECTORS: D-116, D-134 D-134(GR) D-116 AC204176 CONNECTOR: E-111 AK |