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BitEdit is a modern software for editing automotive ECU calibrations. It allows to change of most dynamic options of the engine. The software works in the following way: you open an ECU flash file, it gets identified and you are shown a list of calibrations, that can be edited. After the changes are completed you can save a new file ready for writing. BitEdit editor is good for professionals and newbie tuners.
Attention! BitEdit is only a calibration editor, it does not allow to read or write internal memory of ECUs(You Need Bitbox), it does not fix checksums after editing — this function must be performed by your flasher tool.
Editing and tuning Denso
The folowing maps are available for editing: rail pressure, target fuel quantity, requested torque, torque limitation, boost pressure. For more efficient tuning also you can edit correction and limitation maps for main parameters, maps to control output circuits (injection quantity regulator, rail pressure regulaor) etc.
Cars supported:
Engines supported:
Editing and tuning Denso ECU 89661-xxxxx of diesel Toyota & Lexus cars 2.5L and 3.0 L engines.
The folowing maps are available for editing: rail pressure, target fuel quantity, requested torque, torque limitation, boost pressure. For more efficient tuning also you can edit correction and limitation maps for main parameters, maps to control output circuits (injection quantity regulator, rail pressure regulaor) etc.
Cars supported:
Engines supported:
Editing and tuning Denso 89661-xxxxx ECUs of diesel Toyota & Lexus cars with 4.5L engines.
The folowing maps are available for editing:
Air control: Airmass corrections by fuel temperature, additive; Desired airmass for low load, Desired airmass; Minimal desired airmass.
Boost pressure: Desired boost pressure; Boost pressure basic map: correction and to limit boost when EGR is active; Boost pressure limiter correction factors; Boost pressure regulation basis; Coolant temperature factor for boost pressure correction, Desired and Final boost pressure limitation(relative), Desired boost pressure monitoring.
Boost pressure: VNT Control: Boost pressure regulator to predict deviation; VNT Control temperature and atmospheric pressure corrections; VNT Controls basis and corrections basis maps; Desired boost pressure limitation(relative), VNT Control maximal and minimal corrections; VNT Control minimal threshold.
EGR Control: EGR position corrections; EGR position limitations; Minimal and Maximal EGR positions requests; Target EGR position corrections; Target EGR Position.
Injection volume: Gear dependent injection volume limiter; Injection volume basis for minimal and maximal limitations; Injection volume corrections; Injection volume limitations; Minimal injection volumes.
Injection volume: conditional corrections.
Injection volume: smoke limitations.
Injector control: Injector opening time for main injection and Pilot injection time.
Limiters: Vehicle speed limitation.
Rail pressure: Rail pressure limitation, Rail pressure regulator basis, Target rail pressure.
Sensors scalings: Boost air temperature, Coolant temperature, Fuel temperature, Intake air temperature and MAF sensors scalings; Temperature correction for MAF sensor.
Start of injection calculation: Start of main and pilot injection.
Torque model: Drag loss torque correction, Fuel pump drag loss part from rail pressure, Fuel temperature drag loss part; Injection volume to Torque and Torque to injection volume conversions maps.
DTC mask
Cars supported:
Engines supported:
Editing and tuning Denso 89661-xxxxx ECUs (MCU 76F0040GD, 76F0039AGD, 76F0085) of turbo diesel Toyota Hino trucks with 4.0L, 4.7L, 4.9L engines.
The folowing maps are available for editing: rail pressure, target fuel quantity, requested torque, torque limitation, boost pressure. For more efficient tuning also you can edit correction and limitation maps for main parameters, maps to control output circuits (injection quantity regulator, rail pressure regulaor) etc.
Vehicles supported:
Engines supported:
Editing calibrations of Denso newGen ECUs of diesel Toyota vehicles with 2.4 TD 2GDFTV and 2.8 TD 1GDFTV engines.
The folowing maps are available for editing: rail pressure, target fuel quantity, requested torque, torque limitation, boost pressure. For more efficient tuning also you can edit correction and limitation maps for main parameters, maps to control output circuits (injection quantity regulator, rail pressure regulaor), DTC mask, etc.
This module supports files:
Vehicles supported:
Engines supported:
Denso Gen3 ECUs of diesel Toyota vehicles with 2.4TD 2GDFTV and 2.8TD 1GDFTV engines.
Supported filesize: 4Mb.
Available maps:
Air calculation: Air flow correction, Desired air calculation, Desired air calculation in additional mode
Boost Pressure: Base boost pressure in additional mode, Base boost pressure with active EGR
Boost Pressure Correction: Boost pressure correction from air temperature sensor, Boost pressure correction from atmospheric pressure, Boost pressure correction from coolant temperature Boost Pressure Limitation: Boost limitation in emergency mode, Minimum boost pressure EGR: Basic position of EGR, Correction of base position of EGR, Lower threshold of the moment for operation EGR, Upper threshold of the moment for operation EGR
Fuel pressure: Fuel pressure at start-up, Fuel pressure correction from coolant temperature, Fuel pressure in regeneration mode, Maximum fuel pressure, Maximum fuel pressure during regeneration
Initial injection phase: Initial injection phase in additional mode
Injection end phase: Main injection end phase when the post-injection is not active, Main injection end phase with active post-injection
Injection volume limitation: Base injection volume, Border of the transition from cold to warm operation mode, Border of the transition from warm to hot mode, Correction of maximum permissible injection volume, Injection volume limitation, Injection volume Limitation from air flow rate, Injection volume limitation from atmospheric pressure, Maximum injection volume from atmospheric pressure
Limiters: Engine speed limitation in additional mode, Minimum speed limitation in additional mode, Vehicle speed limitation (Test)
Nozzle performance: Nozzle performance at the 1st and 2nd pilot injection, Nozzle performance at the main injection
Pilot injection: Phase of the second pilot injection with active zero and first pilot injection, Pilot injection phase in additional mode, Second pilot injection phase with the first pilot injection active, The phase of the first pilot injection with the active second pilot injection, Zero pilot injection phase, Second pilot injection phase
Post injection: Post-injection phase
Post-injection volume: Basic post-injection volume
Sensors: Coolant temperature sensor, Intake air temperature sensor, Intake manifold air temperature sensor, Exhaust Temperature Sensor Scaling, SCR Temperature Sensor Scaling
Torque: Inversion requested torque, Requested torque
Torque loss: Base loss torque, Torque loss by coolant temperature, Loss torque on fuel pump by fuel pressure, Torque loss on fuel pump by fuel volume increasing
VNT: Base position of the VNT when the EGR is active, Base position of the VNT when the EGR is not active, Maximum VNT position when EGR is active, Maximum VNT position when EGR is inactive , Proportional coefficient for inactive EGR is the negative derivative, Proportional coefficient for inactive EGR is the positive derivative, Proportional coefficient with active EGR is the negative derivative, Proportional coefficient with active EGR is the positive derivative, Proportional gain for VGT duty cycle control
VNT correction: Additional correction to the base position of the VNT, Correction of the VNT base position
Volume of Pilot Injection: Volume of the 0-th pilot injection map, Volume of the 1st pilot injection, Volume of the 1st pilot injection with the active 0-th pilot injection map, Volume of the 2nd pilot injection with the 1st pilot injection active
DTC mask is not supported. Please note that incorrect DTC modification will brick the ECU.
URGENT requests are not supported for this module.
Editing calibrations of Denso ECUs (Denso 89661-xxxxx and MCU NEC 76F0038, 76F0039, 76F0040, 76F0070, 76F0085) of petrol Toyota | Lexus | Scion vehicles with petrol normal aspirated 1.0L, 1.2L, 1.3L, 1.6L, 1.8L engines.
The following maps are available for editing: spark advance maps for high and low octane fuel, minimal spark advance, spark advance corrections, VVT camshaft position maps, injection enrichment control, injection corrections, throttle valve control, requested torque, and all main sensors conversion curves.
Supported engines:
Editing calibrations of Denso ECUs (89661-xxxxx and MCU NEC 76F0038, 76F0039, 76F0040, 76F0070, 76F0085 inside) of petrol Toyota | Lexus | Scion vehicles with petrol 2.0L, 2.4L, 2.5L and 2.7L engines.
Air calculation: Calculated air load from requested torque, Mass air flow pulsations factor
Exhaust temperature model: Calculated exhaust temperature 1 in additional mode, Exhaust temperature offset for spark retardationExhaust temperature offset for vehicle speed, Maximal/Minimal exhaust temperature for engine protection
Fuel: enrichment: AFR value as stoichiometry, Coolant temperature to enable closed loop, Delay for enable closed loop, Enrichment for engine protection base, Enrichment for engine protection base, Enrichment for engine protection correction for full load, Enrichment for engine protection correction on retardation, Per cylinder enrichment multiplier, Throttle position threshold to enter full load, Throttle position threshold to exit from full load
Fuel: injector control: Injection time correction factor by load, Injector dead time, Minimal injection time, Minimal injection time when fault is stored, Minimal injection time when fault is stored
Limiters: Engine/Vehicle speed limitation
Sensors scaling: Intake air temperature correction factor for mass air flow, Mass air flow sensor scaling, Accelerator pedal sensor
Spark advance: Maximal/Minimal spark advance, Spark advance base, Spark advance high/low octane
Spark advance: corrections: Spark advance base correction by coolant temperature, Spark advance correction for VVT, Spark advance corrections high/low octane
Spark advance: knock: Coolant temperature threshold for retardation, Engine speed lower threshold for retardation, Engine speed lower threshold for retardation, Maximal spark advance retardation, Retardation recovery rate, Spark advance retardation amount
Spark advance: minimal: Coolant temperature threshold for minimal spark advance correction, Spark advance minimal base, Spark advance minimal temperature correction
Throttle valve control: Throttle valve maximal position, Throttle valve position limitation full load, Throttle valve position limitation low load, Accelerator pedal
Torque model: Optimal torque
VVT: Exhaust camshaft position base, Intake camshaft position at full load, Intake camshaft position at high throttle, Intake camshaft position at low throttle, Intake camshaft position base
DTC mask editor
Supported engines:
1ARFE
1AZFE
2ARFE
2AZFE
2TRFE
3ZRFE
3ZRFAE
4GRFSE
5GRFE etc
Editing calibrations of Denso ECUs (89661-xxxxx and MCU NEC 76F0038, 76F0039, 76F0040, 76F0070, 76F0085 inside) of petrol Toyota | Lexus | Scion vehicles with 3.0L, 3.3L and 3.5L engines.
Supported maps list:
Air calculation: Calculated air load from requested torque, Mass air flow pulsations factor
Automatic transmission downshift conditions: Output Speed vs Throttle in different mode
Automatic transmission: torque converter: Output Speed vs Throttle Normal in different mode apply, Output Speed vs Throttle Normal in different mode release, Torque converter in different mode apply, Torque converter in different mode release
Automatic transmission: torque converter flex: Output Speed vs Throttle Normal in different mode apply, Output Speed vs Throttle Normal in different mode release, Output Speed vs Throttle Sport in different mode apply, Output Speed vs Throttle Sport in different mode release, Toyota Temporary Curve
Automatic transmission: upshift conditions: Output Speed vs Throttle in different mode
Exhaust temperature model: Calculated exhaust temperature, Exhaust temperature offset for spark retardation, Exhaust temperature offset for vehicle speed, Maximal exhaust temperature for engine protection, Minimal exhaust temperature for engine protection
Fuel: enrichment: Injection time correction factor by load, Injector dead time, Minimal injection time, Minimal injection time when fault is stored
Idle speed: Desired idle speed at P/N, Desired idle speed in drive, Idle spark advance in gear, Idle spark advance P/N
Limiters: Engine speed limitation, Vehicle speed limitation
Sensor scaling: Intake air temperature correction factor for mass air flow, Mass air flow sensor scaling
Spark advance: Difference for idle spark advance from base, Minimal spark advance, Spark advance base, Spark advance delta for efficiency, Spark advance base efficiency, Spark advance base high/low octane, Spark advance base minimal temperature correction
Spark advance correction: Spark advance base correction by coolant temperature, Spark advance correction for VVT, Spark advance base correction high/low octane
Spark advance: knock: Coolant temperature threshold for minimal spark advance correction, Coolant temperature threshold for retardation, Engine speed lower (upper) threshold for retardation, Maximal spark advance retardation, Retardation recovery rate, Spark advance retardation amount, Total retardation limit
Spark advance: minimal: Coolant temperature threshold for minimal spark advance correction, Spark advance minimal base, Spark advance minimal temperature correction
Startup: Startup Time, Startup engine speed adder
Throttle valve: control Maximal throttle position on 1st gear, Maximal throttle position on reverse gear, Throttle valve maximal allowed position request, Throttle valve maximal position, Throttle valve position limitation at different gear, Throttle valve position limitation different load, Throttle valve position limitation on SAP fault
Throttle valve: request: Requested throttle position at different gear
Torque Converter — General: Coolant temperature to disable (enable) hot mode, Oil temperature to enable hot mode, Oil temperature threshold for high coolant temperature enable, Oil temperature threshold to disable hot mode, Oil temperature for high coolant disable
Torque model: Optimal torque, Optimal torque for transmission
VVT: Exhaust camshaft position at full load, Exhaust camshaft position at low throttle, Exhaust camshaft position at high throttle, Exhaust camshaft position base, Intake camshaft position at low throttle, Intake camshaft position at high throttle, Intake camshaft position at full load, Intake camshaft position base
Warm up: Coolant temperature threshold for cold engine, Warm up correction for drive/reverse, Warm up correction for P/N
DTC mask editor
Supported engines:
2JZGE
2GRFE
2GRFSE
3MZFE etc.
Editing calibrations Denso ECUs (
Supported maps list:
Air calculation: Calculated air load from requested torque, Mass air flow pulsations factor
Automatic transmission downshift conditions: Output Speed vs Throttle in different mode
Automatic transmission: torque converter: Output Speed vs Throttle Normal in different mode apply, Output Speed vs Throttle Normal in different mode release, Torque converter in different mode apply, Torque converter in different mode release
Automatic transmission: torque converter flex: Output Speed vs Throttle Normal in different mode apply, Output Speed vs Throttle Normal in different mode release, Output Speed vs Throttle Sport in different mode apply, Output Speed vs Throttle Sport in different mode release, Toyota Temporary Curve
Automatic transmission: upshift conditions: Output Speed vs Throttle in different mode
Exhaust temperature model: Calculated exhaust temperature, Exhaust temperature offset for spark retardation, Exhaust temperature offset for vehicle speed, Maximal exhaust temperature for engine protection, Minimal exhaust temperature for engine protection
Fuel: enrichment: Injection time correction factor by load, Injector dead time, Minimal injection time, Minimal injection time when fault is stored
Idle speed: Desired idle speed at P/N, Desired idle speed in drive, Idle spark advance in gear, Idle spark advance P/N
Limiters: Engine speed limitation, Vehicle speed limitation
Sensor scaling: Intake air temperature correction factor for mass air flow, Mass air flow sensor scaling
Spark advance: Difference for idle spark advance from base, Minimal spark advance, Spark advance base, Spark advance delta for efficiency, Spark advance base efficiency, Spark advance base high/low octane, Spark advance base minimal temperature correction
Spark advance correction: Spark advance base correction by coolant temperature, Spark advance correction for VVT, Spark advance base correction high/low octane
Spark advance: knock: Coolant temperature threshold for minimal spark advance correction, Coolant temperature threshold for retardation, Engine speed lower (upper) threshold for retardation, Maximal spark advance retardation, Retardation recovery rate, Spark advance retardation amount, Total retardation limit
Spark advance: minimal: Coolant temperature threshold for minimal spark advance correction, Spark advance minimal base, Spark advance minimal temperature correction
Startup: Startup Time, Startup engine speed adder
Throttle valve: control Maximal throttle position on 1st gear, Maximal throttle position on reverse gear, Throttle valve maximal allowed position request, Throttle valve maximal position, Throttle valve position limitation at different gear, Throttle valve position limitation different load, Throttle valve position limitation on SAP fault
Throttle valve: request: Requested throttle position at different gear
Torque Converter — General: Coolant temperature to disable (enable) hot mode, Oil temperature to enable hot mode, Oil temperature threshold for high coolant temperature enable, Oil temperature threshold to disable hot mode, Oil temperature for high coolant disable
Torque model: Optimal torque, Optimal torque for transmission
VVT: Exhaust camshaft position at full load, Exhaust camshaft position at low throttle, Exhaust camshaft position at high throttle, Exhaust camshaft position base, Intake camshaft position at low throttle, Intake camshaft position at high throttle, Intake camshaft position at full load, Intake camshaft position base
Warm up: Coolant temperature threshold for cold engine, Warm up correction for drive/reverse, Warm up correction for P/N
DTC mask editor
Supported engines:
Editing calibrations of Denso ECUs (89661-xxxxx and MCU NEC 76F0038, 76F0039, 76F0040, 76F0070, 76F0085 inside) of petrol Toyota | Lexus vehicles with 5.0L and 5.7L engines.
Supported maps list:
Air calculation: Calculated air load from requested torque, Mass air flow pulsations factor
Automatic transmission downshift conditions: Output Speed vs Throttle in different mode
Automatic transmission: torque converter: Output Speed vs Throttle Normal in different mode apply, Output Speed vs Throttle Normal in different mode release, Torque converter in different mode apply, Torque converter in different mode release
Automatic transmission: torque converter flex: Output Speed vs Throttle Normal in different mode apply, Output Speed vs Throttle Normal in different mode release, Output Speed vs Throttle Sport in different mode apply, Output Speed vs Throttle Sport in different mode release, Toyota Temporary Curve
Automatic transmission: upshift conditions: Output Speed vs Throttle in different mode
Exhaust temperature model: Calculated exhaust temperature, Exhaust temperature offset for spark retardation, Exhaust temperature offset for vehicle speed, Maximal exhaust temperature for engine protection, Minimal exhaust temperature for engine protection
Fuel: enrichment: Injection time correction factor by load, Injector dead time, Minimal injection time, Minimal injection time when fault is stored
Idle speed: Desired idle speed at P/N, Desired idle speed in drive, Idle spark advance in gear, Idle spark advance P/N
Limiters: Engine speed limitation, Vehicle speed limitation
Sensor scaling: Intake air temperature correction factor for mass air flow, Mass air flow sensor scaling
Spark advance: Difference for idle spark advance from base, Minimal spark advance, Spark advance base, Spark advance delta for efficiency, Spark advance base efficiency, Spark advance base high/low octane, Spark advance base minimal temperature correction
Spark advance correction: Spark advance base correction by coolant temperature, Spark advance correction for VVT, Spark advance base correction high/low octane
Spark advance: knock: Coolant temperature threshold for minimal spark advance correction, Coolant temperature threshold for retardation, Engine speed lower (upper) threshold for retardation, Maximal spark advance retardation, Retardation recovery rate, Spark advance retardation amount, Total retardation limit
Spark advance: minimal: Coolant temperature threshold for minimal spark advance correction, Spark advance minimal base, Spark advance minimal temperature correction
Startup: Startup Time, Startup engine speed adder
Throttle valve: control Maximal throttle position on 1st gear, Maximal throttle position on reverse gear, Throttle valve maximal allowed position request, Throttle valve maximal position, Throttle valve position limitation at different gear, Throttle valve position limitation different load, Throttle valve position limitation on SAP fault
Throttle valve: request: Requested throttle position at different gear
Torque Converter — General: Coolant temperature to disable (enable) hot mode, Oil temperature to enable hot mode, Oil temperature threshold for high coolant temperature enable, Oil temperature threshold to disable hot mode, Oil temperature for high coolant disable
Torque model: Optimal torque, Optimal torque for transmission
VVT: Exhaust camshaft position at full load, Exhaust camshaft position at low throttle, Exhaust camshaft position at high throttle, Exhaust camshaft position base, Intake camshaft position at low throttle, Intake camshaft position at high throttle, Intake camshaft position at
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