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 ECU Chips

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PostSubject: ECU Chips   Wed Jul 02, 2014 1:55 pm

I recently imported a 1997 4WD Super Custom Camper from Japan with a 1KZ-TE 3.0TD engine.  Being a SLWB with a full length fibreglass custom canopy, it weighs 2600kg.
I would like to hear from anyone who has fitted an ECU chip (Tunit V-CR or similar) to one of these fine engines.  Can one believe the claims of 20% power increase? Mamma always said look before you leap...
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maztez
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Model and year : super custom 3ltr turbo diesel 1995
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PostSubject: Re: ECU Chips   Thu Jul 03, 2014 2:11 am

I have a 1995 4wd 3ltr turbo also however when I enquired re chip , I was told can't do as it is not a common rail diesel ..would be good if you can get one ..cheers Terry
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PostSubject: Re: ECU Chips   Thu Jul 03, 2014 3:42 am

Thanks Terry - my reading indicates chips are available for 1KZ-TE from 1993 onwards. They seem popular with HiLux owners. New chips cost from $1250 to $1500. Second hand ones are available at about half that price. Because of their significant cost, owners often remove them before selling their car.
I'll post updates in due course.
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PostSubject: Re: ECU Chips   Thu Jul 03, 2014 6:25 am

I understand the correct Tunit chip for the pre-common rail 1KZ-TE is a Tunit V-VP. Other manufacturers have similar products. Fortunately it is not necessary to access the vehicle's ECU (which located in the passenger side door pillar) to fit the harness and chip assembly.
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PostSubject: Re: ECU Chips   Fri Jul 04, 2014 1:04 pm

Well, I have now read a lot of very interesting articles on this subject… But the truth appears to be that no ECU remap/chip sellers seem too much interested in the imported Super Custom Hiace market. Perhaps its too small to count. Despite the fact that the mighty 1KZ-TE turbo diesel is common to both Toyota Land Cruiser Prado and Hi Lux models, the focus is now on boosting common rail diesel motors. But I am not discouraged. Somewhere out there, somebody knows how to re-map the factory ECU settings to provide that additional 20% power needed to climb hills and tow a trailer without being overtaken by a loaded truck or olympic cyclist! If you have been down this road, don't be shy in coming forward with your experience. Regards, Clive.
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PostSubject: Re: ECU Chips   Sat Jul 05, 2014 12:20 pm

Hmmm. It seems I am wrong about somebody somewhere being able to remap Toyota ECUs. After 2 days research it seems nobody has been able to break the codes which protect the Toyota ECU maps. However, this fact does not stop many vendors purporting to offer 20%-30% power increases through the use of ECU 'chips' for Toyota vehicles, which some claim to be remapping.

I am really struggling to believe that in a world where teenagers can hack into banks, security organisations and people's mobile phones, that no-one has broken Toyota's ECU protection codes.

Why, you may ask, haven't Toyota achieved world domination? Or maybe they will?
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Automaticman
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PostSubject: Re: ECU Chips   Sat Jul 05, 2014 9:30 pm

Will ask a chap i know of who does re-mapping  Wink 
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