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SYMPTOM PROCEDURES TSB Revision SIMPLIFIED WIRING SYSTEM (SWS) 54B-275 INSPECTION PROCEDURE G-2: Windshield Wiper and Washer: The windshield wipers do not work NOTE: This troubleshooting procedure requires use . TECHNICAL DESCRIPTION (COMMENT) . TROUBLESHOOTING HINTS • The wiring harness or connectors may have loose, corroded, or damaged terminals, or termi- • The column switch may be defective • The front-ECU may be defective 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 • MB991910: MUT-III Main Harness A • MB991813: SWS Monitor Kit • MB991806: SWS Monitor Cartridge • MB991812: SWS Monitor Harness (For Column-ECU) • MB991822: Probe Harness WINDSHIELD CIRCUIT FRONT-ECU · WINDSHIELD WIPER HI SPEED SWITCH WIPER SPEED INPUT SIGNAL Windshield Wiper Motor Circuit |