The Challenger5 has been designed for those who want to conquer thanks to an ultra modern ECU. It allows managing 1, 2 or 4-cylinder aspirated or turbocharged engines in semi-sequential injection and lost sparks ignition.

Thanks to its high performance microprocessor (calculates in 32 bits while many other brands calculate in 8 or 16 bits) the Challenger5 allows to get astonishing accelerations.

Two tunings can get along for the same engine (multimapping). The desired tuning can be selected while running, by a dashboard switch, allowing the adaptation to the driving conditions, a super boost of the engine if necessary.

Selection of hard cut or soft cut RPM limiter. The hard cut limiter allows a modification of ignition advance and injection time for a machine gun limiter with burst of flames.

 An exhaust bang is done at the end of sequential gear shifting because the normal ignition advance is recovered with a slope allowing to avoid jolts in the transmissions.

A full self-learning function allows the ECU to auto tune its injection time map when equipped with a Lambda sensor (needs a professionnal license, or on option with standard license).

 
CONFIGURATION
• 2 injection channels (semi sequential injection)
• 2 ignition channels (lost spark ignition)
• 3 fully programmable auxiliary outputs (rpm or temperature relays, ON-OFF camshaft, advanced working ...)
• fuel pump management according to FISA regulation
• RPM sensor selectable Hall effect or inductive on crankshaft flywheel
• 1 internal power supply tension measurement
• 4 resistive inputs NTC-PTC or logical
• 4 analog 0-5 volts inputs
• 1 selectionnable analog-resistive input
• 1 differential 0-5 volts input

HELP IN THE SETTING
For a fast tuning, the maps of engine start, engine temperature rise, accelerating pumps and atmospheric altimetric pressure and intake t° corrections are preset for the ignition advance as for the injection.
The PID of devices commands (turbo, air intake proportional electrovalve) are also preset.

ADVANCED FUNCTIONS OF ENGINE MANAGEMENT
Advanced engine management functions allow a total optimization of the engine working:
• Full self-learning of injection time map with display of learning instantaneous quality
• Continuous survey of richness by Lambda sensor (wideband or 0-1 volt)
• Altimetric and/or dynamic pressure correction

ADVANCED FUNCTIONS OF RPM LIMITER AND LAUNCH PROCEDURE
• Rpm limiter on injection or ignition or both together or one after the other
• Soft cut or Hard cut limiters selectable
• Several launch limiter and race limiters, selectable by a rotator (rotary switch) at the vehicle board
• The different launch limiters allow to adapt to the road grip conditions
• Tunable gradual limiter raising from launch limiter to race limiter to avoid wheels slipping at vehicle take-off
• Injection time and ignition advance correction during launch procedure to get high turbo pressure for a cannonball take off
• Soft cut limiter: gradual cylinder per cylinder cutoff, and turning (always begins the cutoff sessions with a different cylinder to avoid always heating the same cylinder)
• Hard cut limiter: all the cylinders are cutoff at the same time, with tunable hysteresis to uncut the cylinders with tunable modification of ignition advance and injection time for a machine gun limiter with burst of flames

ADVANCED FUNCTION OF TRACTION CONTROL
• Traction control by engine acceleration monitoring in function of the gear position

ADVANCED FUNCTIONS OF GEARBOX MANAGEMENT
Sequential gearbox management or specific management of robotized gearbox.
• Logical or analog switch with definition of the triggering thresholds
• The order of gears can be automotive type, motorcycle or special
• Intervention time in function of gear position and engine rpm
• Intervention at gear shifting on ignition by cutoff and/or modification
• Anti jolts procedure (transmissions protection) at gear shifting by slope to go back to normal ignition advance (bang on gear shift end)

ADVANCED FUNCTIONS OF TURBO MANAGEMENT
• Turbo management by intake pressure control
• Management of wastegates with back pressure
• Pressure target tunable according to rpm and throttle (or pedal) position
• Pressure target multimapping
• Bang-bang (antilag system) at the starting up for cannonball launch
• Bang-bang managed with proportionnal air electrovalve or mecanical throttle opening device
• Bang-bang disabling by dashboard switch for road driving

ADVANCED ENGINE MEASUREMENTS
• Every measure has a customizable digital filtering
• For every measure, it is possible to define a strategy of detection of defect, a strategy of replacement value in case of defect, or to use the standard strategies supplied by the ECU
• Wideband or 0-1 volt Lambda sensor

ADVANCED PROGRAMMABLE STRATEGIES
Extremely flexible strategies allow to multiply the possibilities of tuning:
• Two selectable possible engine tuning by vehicle board switch (for example multi fuels, additives, super boost of turbo pressure, ...)
• Addition of engine devices

AUXILIARY CAN-BUS
A completely programmable auxiliary CAN-BUS (11 and 29 bit identifiers, speed until 1 Mbits) allows to send desired data to the others connected nodes, data recording or dashboard.

AUXILIARY OUTPUTS
3 completely programmable auxiliary outputs.
They can be configured in On-Off (programmable hysteresis), PWM from 10 to 10000 Hz or angular (engine synchronous) commands, with adjustable cyclical ratio (and phase), and piloted by any combination of parameters known by the ECU.
It is for example possible to command in ON-OFF, PWM or synchronously with the engine external devices in function of the state of the multimapping switch, race switch, or throttle position, engine rpm, temperatures, limiter type, ...

HOUSING TYPE
• ECU in automotive housing

 

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CHALLENGER5 ECU KITS

• The kit is made of the Challenger5 ECU supplemented with accessories to install it on the engine. The kit we provide is specifically designed for 4-cylinder engines with lost spark ignition and semi sequential injection.
If your engine has a different type of ignition, you will need to purchase some complementary accessories.
In any case, report to kit complements below to verify your needs.

• The USB connection-to-PC kit can be included in the ECU kit. It is essential to be able to connect your PC to the Challenger5 ECU and tune the engine.

 

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ECU KITS

ECU KIT CONTENT
Challenger5 ECU
Engine loom*
Air temperature sensor
Water temperature sensor
Ignition module two ways (lost spark 4-cylinder)
Connectors kit

 

 

 

 

 

 

*TWO LOOM TYPES ARE POSSIBLE

Semi finished loom
This loom is pre-wired on the ECU side connector, with sensors and actuators connectors not installed.
Its length is to be adapted when intalling on the vehicle, then the sensors and actuators connectors will be wired.
• The connectors of the standard sensors* and standard actuators* that are delivered with the kit are provided.
• The various branches of the loom are labeled (grounds, power supplies, measurements, auxiliary commands, injectors, ...) but not sheathed. High quality canvas adhesive tapes are provided to finish the sheathing when installing.

Finished loom
As every application is different, there is no standard finished loom:
You have to contact the Skynam technical service to detail the complete making of your loom (see contact page).
• The loom is completely sheathed with braid sleeving.
• The lengths of the various branches are standard (2 meters) or customized (lengths provided to Skynam).
• The connectors of the standard sensors* and standard actuators* are installed.
• The connectors of the other sensors and actuators are to install or are to provide to Skynam.
• The fuses and relays bases are installed if required.

*Standard sensors :
These are the sensors that belong to the engine accessories list.
• water and air temperature sensors,
• atmospheric and intake pressure sensors,
• temperature and pressure sensors of oil and fuel

*Standard actuators:
These are the actuators that belong to the engine accessories list.
• gazoline injectors,
• ignitions coils

 

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CONNECTION KIT AND SOFTWARES
It is essential to be able to connect your PC to the Challenger5 ECUs and tune the engine. The USB-FTDI interface is the same one than for Challenger6 and Challenger7 ECUs.

FTDI CONNECTION KIT CONTENT
PC-ECU connection wire USB-FTDI

 

 

 

You can download the installation CDROM parts from the Skynam website.

BY DOWNLOADS
Detailed installation instructions
Winjall tuning software with User's Manual
ECU software pack with detailed documentation
Injection and ignition base maps to start the engine

 

 

 

 

 

 

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KITS COMPLEMENTS
The kits we propose are specific to 4-cylinder engines with lost spark ignition ans semi-sequential injection. To use them with a higher number of cylinders or different types of ignition, you will need some complementary accessories.

Here are the main types of ignition you can manage:

Distributed ignition (1 or 2 coils with distributor) :
Uses 1 single ignition module or 1 dual igition module (included in the kit).

4-cylinder engine lost spark ignition (2 dual coils) :
Uses 1 dual ignition module (included in the kit).

4-cylinder engine monostatic ignition (4 single coils) :
Uses 2 dual ignition modules (from which 1 included in the kit).

For complementary details, report to the installation notice included in the software Pack that you can download from our site.

 

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