ME7 Tuning Information

Guides

• Adding anti-lag launch control and no-lift shift

Notable User Contributions to the Forum

• MAF
  • MAF and injector scaling
  • MAF scaling vs recalibration?
  • MAF Diameter Suggestion
  • MAFless discussion
• Injector scaling
  • MAF and injector scaling
  • Siemens Mototron DEKA IV 630cc Injector Specs
  • Bosch EV14 Injector Migration
• Boost PID
  • Boost PID Tuning
  • PID controller from square one
  • PID tuning... info and a control loop simulator
• Timing
  • KFZW & KFZWOP maps explained
  • Difference between ignition maps: KFZW and KFZW2
  • Severe timing oscillations
• Lambda / AFR control
  • LAMFA, KFLAMKR/KFLAMKRL and KFLDLBTS based control discussion
• Knock Control
  • Knock Control Explanation
  • Knock Retard related enrichment via KFLAMKR/KFLAMKRL
• Throttle Response
  • Throttle Response
• Launch control
  • Raised rev limiter (does not build boost)
  • Anti lag launch control and no-lift shift
• Methanol Injection
  • Meth and Tuning
• E85
  • E85 Tuning Methods
• Emissions
  • EVAP, SAI, Rear O2 and EGT removal
• Misc
  • Simple Coolant Temperature Based Rev Limit
  • How the SKC Immobilizer code is stored in 95040 EEPROM

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