Coolant temperature sensor connector function diagram B11/4 showing pin assignments 1 and 2 for 451 chassis.

Connector diagram and sensor illustration with numbered pin locations for coolant temperature sensor

View full-size image ↗

See all Powertrain 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.