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SWS DIAGNOSIS TSB Revision SIMPLIFIED WIRING SYSTEM (SWS) 54B-135 CIRCUIT OPERATION TECHNICAL DESCRIPTION (COMMENT) TROUBLESHOOTING HINTS • Malfunction of the combination meter (high-beam • Malfunction of the front-ECU • Malfunction of the ETACS-ECU • Damaged harness wires or connectors DIAGNOSIS Required Special Tool: • MB991223: Test Harness Set STEP 1. Check the headlights (high-beam and passing) Q: Do the headlights (high-beam and passing) illuminate normally? . AC003079 AB CONNECTOR CONNECTOR: C-66 AC003082AL CONNECTORS: C-78, C-82 C-78 JUNCTION BLOCK C-82 AC003080AF JUNCTION BLOCK CONNECTOR: C-85 |