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SYMPTOM PROCEDURES TSB Revision SIMPLIFIED WIRING SYSTEM (SWS) 54B-137 INSPECTION PROCEDURE C-5: Central Door Locking System: All the doors do not lock with just the . TECHNICAL DESCRIPTION . TROUBLESHOOTING HINTS • The driver's door lock actuator switch may be defective • The ETACS-ECU may be defective • 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 Central Door Lock (Door Lock Actuator Switch) Circuit |