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Originally Posted by pranavt Good information, thanks for that. Can you reveal the price, even if only by PM? However, at that point, what is the difference between a generic standalone and an ECU mapped with WinOLS or any other tuning software? Provision for extra injector drivers or PWM components is one advantage of aftermarket standalones. General I/O interfaces too. |
To start with, what Hondata does with the Honda ECU is unique on ther market. They extend the ECU by integrating hardware and software for specific applications. This makes it as easily programmable as what we commonly call a stand alne ECU.
The Hondata will have the same mapping tables as the original ECU for the Honda engines. These mapping tables are much smaller than what you can do with a stand alone.
All OE ECUs have a mapping grid that is between 10x10 to 12x12 mapping points for each table apart from full throttle tables in some ECUs.
The inputs are all set and the valuations with the inputs are set too. The same goes for the out puts.
These can be changed with software like winols. But working with winols is very complex and needs a lot of training.
Working with aftermarket ECUs (standalone ECUs) is much easier. The software is straight forward and you can select the inputs and outputs freely. The mapping tables on some of the ECUs can be set to up to 100x100 mapping points for each table, which is much more than needed for any application I know off.
Disadvantage of the standalone is that everything has to be done from square one. This is very time consuming as well as very expensive to start with. But you also have to consider safety measures, which are all integrated in the OE ECU.
In modern ECUs you have three paths. If the data logger logs on no fault codes it does go into standard mode (Every time the car is started the ECU checks the data logger for faults). If certain codes are logged on it will go into an emergency program overriding all sensors apart from the rpm sensor and phase sensor if the are separated. Most of the people would not feel the difference to the standard path. Fitting any modification would not make a real difference in performance as the ECU can't adapt because the learning capability of the ECU is in a different path. In some cases the modifications would work adversly in this path.
One more path comes into play when the ECU is made believe that engine and drive train components are in danger, which will swith it to the third path, which most of us would call the limp mode.
In limp mode the car would not be allowed to go above a certain speed, forcing the driver to take decisive action.
In some ECUs you can go for ever with the speed restriction. Others allow you to go a certain mileage before the ECU shuts down. And other ECUs would not allow you to re-start the engine when switched off till the fault is seen to by a dealer or specialist with the right equipment.
Prices for winols, Kess, Race to nme a few start at 4k Euros, but be able to work properly with each you will have to spend closer to 20k plus annual fees, which allow you to use updates on a regular basis.,