BitEdit Honda Keihin 1.5 Turbo

This software module allows editing calibrations of the Honda/Acura Petrol 1.5 Turbo vehicles with Keihin ECUs.

Air Calculation and Boost

• Intake system efficiency
• Boost pressure threshold for wastegate operation
• Wastegate duty
• Boost limitation by EGT
• Load limitation
• Maximal boost by atmospheric pressure
• Maximal boost by intake temperature
• Maximal boost ratio
• Desired boost pressure
• Exhaust back pressure after catalyst

Camshaft Control

• Intake camshaft position
• Exhaust camshaft position at part and full loads

EGT

• Calculated EGT

Idle

• Desired idle speed
• Desired idle speed after start

Injector Control

• Injector opening time from fuel pressure
• Injector scaling

Knock Control

• Air charge limitation for knocking
• Spark advance limitation on knocking
• Knock retardation

Limits

• Engine speed limitation
• Vehicle speed limitation

Modes Switches

• MAF threshold to enter full load
• MAP threshold to enter full load
• Throttle position to enter full load (available maps depend on software)

Overrun Cutoff

• MAP cut/restore
• Injector restart cut/restore

Sensors Scaling

• MAF sensor scaling
• Lambda scaling

Spark Advance

• Minimal spark advance
• Spark advance EGR dependent
• Spark advance retardation
• Spark advance correction EGR dependent
• Spark advance correction by ECT and IAT
• Spark advance correction from camshaft angle

Target Lambda

• Lean best torque
• Target lambda at full load
• Target lambda in closed loop

Throttle Valve Control

• Airmass flow through throttle body
• Driving force
• Throttle position linearisation
• Throttle position limitation
• Throttle position request
• Base torque
• Torque limitation for AT

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