Nutorious Posted 10 January 2011 Report Posted 10 January 2011 Anyone done this? Did it increase the BHP by much etc etc. Don't really know anything about this, but i heard its quite common and wont ruin your car?
joe588 Posted 10 January 2011 Report Posted 10 January 2011 don't think any celica has an ecu capable of reprogramming. Gen 7 might, fairly sure it doesn't though. But yeah, if you can you might see some slight gains, watch who's doing it though as you don't want a knackered engine. Turbo engines are easier to get bigger gains from.
LeighV6 Posted 10 January 2011 Report Posted 10 January 2011 As stated above it is not possible to reflash/remap any Celica ECU.
dr3bin Posted 10 January 2011 Report Posted 10 January 2011 As stated above it is not possible to reflash/remap any Celica ECU. to mention further, this is because the Celica's ECU is "locked", which means it cannot be reprogrammed/remapped/flashed. I'm unsure of the older generations as I'm speaking from a Gen7 standpoint. the only way to remap your ECU is to purchase an after-market piggy-back or standalone solution such as an Apexi PowerFC or AEM Engine Management System (EMS) which will ultimately replace the Celica's stock ECU. Additionally, as mentioned above by joe588, naturally aspirated cars (i.e. cars without a turbo or supercharger) are harder to get big gains from while cars running forced induction (turbo & supercharged) are a lot easier to get significantly larger gains from, but ultimately the power you gain is limited by the quality and strength of the components in your car's engine. I hope this helps.
LeighV6 Posted 10 January 2011 Report Posted 10 January 2011 Piggy back ECU's don't work on the Gen 7 either as the Toyota ECU's learns it way past them.
devnet Posted 30 January 2011 Report Posted 30 January 2011 i was just looking on ebay and found this. look a load of ball. http://cgi.ebay.co.uk/70-OFF-voucher-TOYOT...=item1e6116a098
Zorg Posted 31 January 2011 Report Posted 31 January 2011 (edited) I've bought an AEM EMS and that's going tobe piggy backed. Seth has it with an Apexi Power FC. Both ours are semi autos. Think VietTS (AEM) is going tobe piggy backed aswell and Mike101s AEM might be too. It's todo with the harness setup. Edited 31 January 2011 by Zorg
nthnmunky Posted 31 January 2011 Report Posted 31 January 2011 Basic functions for the auto gearbox are retained by the Toyota ECU but the AEM takes over all of the other key things. It's Plug and Play for the manual, a straight swap for the Toyota ECU and uses the normal harness etc. But no, the stock ECU is not flashable and piggyback ECU's are usually outsmarted by the stock ECU. It's too clever for it's own good, when it sees that things are outside their usual boundaries it will try to pull them back either with timing or fuelling etc and eventually your expensive piggyback will be gaining you nothing unless you plan on retuning it regularly....
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