ME7 Tuning Information

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ECU Tables and Constants

This list currently contains a subset of the maps that Tony@NefMoto has been able to verify in the ME7.1 assembly code.

  • MAF and Air Mass
    • MLHFM - MAF Voltage to Air Mass Conversion Factor
    • KFKHFM - Air Mass Correction Scale Factor
    • MLOFS - Air Mass Offset
    • KFMLDMN - Min Air Mass Limit
    • KFMLDMX - Max Air Mass Limit for Diagnosis
    • FWMLHFMMN - Min Altitude Corrected Air Mass Limit Scale Factor
  • Intake Cam Shaft
    • KFNW - Intake Camshaft Adjustment Angle
    • KFNWWL - Intake Camshaft Adjustment Angle in Warm Up
    • KLNWRLTM - Load Correction Factor for Intake Camshaft Adjustment Reference
  • Boost
    • KFLDHBN - Maximum Compressor Pressure Ratio for Specified Load
    • LDORXN - Maximum Corrected Specified Load when Over Boosting
    • Boost Pressure Regulation via PID Controller
      • Boost pressure regulation duty cycle calculated as: (P - D) + I + D
      • LDIATA - Intake air temp correction for load pressure regulation I limit
      • KFLDIMX - Load pressure regulation uncorrected I limit
      • LDDIMXN - Load pressure regulation upper I limit, offset from uncorrected I limit
      • LDDIMNN - Load pressure regulation lower I limit, negative offset from uncorrected I limit
      • KFLDRQ2 - Load pressure regulation D parameter when not Over Boosting
  • Load
    • LDRXN - Uncorrected specified load without knock
    • LDRXNZK - Uncorrected specified load with knock
    • KFTARX - Intake Air Temp Correction Factor for Specified Load without Knock
    • KFPBRNW - Correction Factor for going from intake pressure to cylinder pressure during max camshaft advance
    • KFPBRK - Correction Factor for going from intake pressure to cylinder pressure during min camshaft advance
    • KFURL - Conversion factor from pressure to load
    • KFPRG - Internal Exhaust Gas Partial Pressure
    • KFMIRL - Corrected Specified Engine Load Max Limit
  • Ignition Timing
    • KFZW - Target ignition angle with min intake cam adjustment
    • KFZW2 - Target ignition angle with max intake cam adjustment
  • Fuel
    • KRKTE - Load to Injection Time Conversion Factor
    • KVB - Fuel Consumption Constant for Fuel Gauge
    • FKVA - Scale Factor for Fuel Consumption Constant for Fuel Gauge
    • TVUB - Injection Time Correction Offset Based on Voltage
    • KFLF - Fuel Injection Reference Load Scale Factor
  • Lambda Target from Component Protection
    • Lambda target calculated as: (KFLBTS + interpolated(DLBTS * KFFDLBTS)) * FBSTABGM
    • TABGBTS - Exhaust Gas Temperature Threshold for Component Protection Activation
    • DTBTS - Exhaust Gas Temperature Threshold Negative Offset for Component Protection Deactivation
    • TKATBTS - Catalytic Convertor Temperature Threshold for Component Protection Activation
    • KFLBTS - Component Protection Target Lambda
    • DLBTS - Component Protection Target Lambda Offset based on ignition efficiency
    • KFFDLBTS - Scale Factor for Component Protection Target Lambda Offset
    • FBSTABGM - Component Protection Target Lambda Scaling Factor
    • ZDLBTS - Interpolation Rate for Component Protection Lambda Offset (DLBTS * KFFDLBTS)
    • ETADZW - Ignition efficiency based on difference between actual and optimal ignition angles
  • Lambda Target from Enrichment
    • Lambda Target from Knock Enrichment
      • Lambda target calculated as: (KFLAMKRL + DLAMTANS) * KFLAMKR
      • KFLAMKRL - Knock Based Target Lambda
      • DLAMTANS - Knock Based Target Lambda Offset from Intake Air Temp
      • KFLAMKR - Knock Based Target Lambda Scale Factor After Air Temp Offset
    • Lambda Target from Throttle Enrichment
    • Lambda Target from Load Limit Enrichment
    • Lambda Target from Load and Engine Temp Enrichment
  • Idle
    • NLLM - Min Idle Speed 1
    • KFMRESK - Idle Torque Base With Clutch Depressed And Speed Below Limit
    • KFMRES - Idle Torque Base With Clutch Not Depressed Or Speed Above Limit
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