Anti-theft alarm system (ATA EDW) data flow chart for Smart Fortwo 451, showing instrument cluster, control unit, sensors, and alert components.

Schematic diagram of ATA EDW anti-theft alarm system with numbered components and signal flow paths.

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See all Electrical figures for the Fortwo (451), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.