Anti-theft alarm system trigger function diagram for chassis 451.3/4 with FFO code, showing sensor inputs and alarm outputs.

Wiring diagram of anti-theft alarm system with numbered callouts for doors, sensors, and alarm components.

View full-size image ↗

See all Electrical figures for the Fortwo (450), 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.