ECU Map Types Glossary

🧠 Part of the TuningBot ECU Knowledge Base — in-depth documentation on ECU logic, maps, emissions systems and safe calibration methods.

ECU calibrations contain hundreds of maps. This glossary provides quick reference for common map types.

Torque Maps

  • Driver Wish — pedal to torque request
  • Torque Limiter — maximum output
  • Controllo della coppiaoring — safety cross-check

Boost Maps

  • Boost Target — desired pressure vs RPM/load
  • VGT Position — turbo vane angle
  • Wastegate Duty — WG control output

Fuel Maps

  • IQ — injection quantity (diesel)
  • Rail Pressure Target — fuel pressure
  • SOI — start of injection timing
  • VE Table — volumetric efficiency (gasoline)

Bosch Naming

  • KF_ — 3D map (Kennfeld)
  • KL_ — 2D curve (Kennlinie)

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