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SWS DIAGNOSIS TSB Revision SIMPLIFIED WIRING SYSTEM (SWS) 54B-71 CIRCUIT OPERATION. TROUBLESHOOTING HINTS • Malfunction of the turn-signal light • Malfunction of the horn • Malfunction of the horn relay • Malfunction of the dome light • Malfunction of the ETACS-ECU • Damaged harness wires or connectors DIAGNOSIS Required Special Tools: • MB991223: Test Harness Set • MB991502: Scan Tool (MUT-II) • MB991529: Diagnostic Trouble Code Check Harness AC002299 AC FUSIBLE LINK (1) AC003128 AD CONNECTOR: A-15X HORN BATTERY AC003129 AB CONNECTOR: A-29 AC003079 AB CONNECTOR CONNECTOR: C-66 AC003082AH JUNCTION BLOCK CONNECTORS: C-77, C-81 C-81 C-77 AC003080AF JUNCTION BLOCK CONNECTOR: C-85 |