smartcarmanuals.com
  • Home
  • New Owner
    • Manuals
    • Diagram Library
    • Maintenance
    • Fault Codes
    • Parts Lookup
    • Recalls
    • Video Library
  • Mechanic Directory
  • Communities
  • Fun Stuff
  • Search
  • SmartDiag-AI
Figures › Fortwo (450) › Electrical › Legend listing component codes and descriptions including

Legend listing component codes and descriptions including sensors, control modules, and CAN bus connectors for Smart fortwo.

Text list of component codes A1 through Z37/5 with technical descriptions for vehicle systems

View full-size image ↗

Chassis
Fortwo (450)
System
Electrical · ECU / sensors
Figure type
Schematic
Source
1998-2015 smart fortwo (450 451) - Technical & Service Reference, page 251 Open manual →

Parts referenced

  • B24/15 — Turn rate and lateral acceleration sensor
  • W10/10 — SAM control unit
  • W15/6 — Control module for automated manual transmission
  • N2/7 — Restraint systems control module
  • N23 — Heater/AC operating unit
  • N3/10 — ME-SFI control module
  • N47-5 — ESP control module
  • N49 — Steering angle sensor
  • N68 — Steering assist control module
  • Z37/2 — CAN engine bus (low) connector sleeve
  • Z37/3 — CAN engine bus (high) connector sleeve
  • Z37/4 — Power steering CAN bus connector sleeve (low)
  • Z37/41 — CAN databus (high) connector sleeve
  • Z37/42 — CAN bus (low) connector sleeve
  • Z37/5 — Power steering CAN bus connector sleeve (high)
Download image Ask SmartDiag-AI

sensorecuwiringschematic

← Wiring schematic for Smart Fortwo 450/451 lighting circuitsElectronic selector lever module control unit N15/5 →

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.

Stuck? Try SmartDiag-AI.

Tell it what your Smart is doing — or paste a code. Get ranked likely causes, step-by-step checks, and source citations from the workshop manual.

Try SmartDiag-AI the AI Mechanic
smartcarmanuals.com
  • Home
  • Manuals
  • Maintenance
  • Fault Codes
  • Parts Lookup
  • Recalls
  • Mechanic Directory
  • Video Library
  • Communities
  • Fun Stuff
  • Search
  • SmartDiag-AI

© 2026 Smart Car Manuals · smartcarmanuals@gmail.com