Controllo della coppiaoring

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

Torque monitoring protects drivetrain components by validating that estimated engine torque is consistent with allowed limits. Modern ECUs cross-check multiple torque pathways to detect manipulation or mechanical anomalies.

Panoramica

The ECU compares requested torque, modeled torque and measured torque proxies (airmass, injection quantity) to detect discrepancies.

Controlled Signals

  • IQ request
  • Air mass
  • Boost pressure
  • Rail pressure
  • Driver wish torque

Maps Involved

  • Driver Wish
  • Limitatori di coppia (gear, temperature, smoke)
  • Smoke Model → load estimation
  • Engine Efficiency Maps

ECU Logic

Driver Wish → Torque Request
       ↓
Torque Limiters Applied
       ↓
Torque Model (airmass, fuel, pressure)
       ↓
Torque Monitoring Cross-Checks
       ↓
If mismatch → Limp Mode

Calibration Objectives

  • Avoid false torque deviation trips
  • Maintain consistent torque pathways
  • Ensure safe mechanical loads

Calibration Strategy

  • Harmonize torque limiters before raising torque
  • Avoid breaking relationship between airflow and IQ
  • Correct smoke model early in the process

Diagnostica

  • P061B / P06xx torque correlation faults
  • Airflow-to-IQ mismatch
  • Smoke model inconsistent values

Best Practices

  • Consistency beats peak torque
  • Validate torque model under transient conditions

⚡

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