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Thread: 1997 vs 2002 VR-4 ECUs

  1. #41

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    ader have you got the proper reflash cable?

  2. #42
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    Yes, I've got the openport 1.3M with the white reflash connector

    aDe

  3. #43
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    for anyone in NZ interested, I also have the cable and software...

    Don't have a laptop powerful enough to run the software in real-time logging though

  4. #44
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    For the techies amongst us and also those who just like looking at pretty coloured 3-D graphs, here's a link to screenshots of the maps in the standard VR-4 ECU (zipped Word format document):

    VR-4 ROM screenshots

    No reply yet from Dmitriy, the guy in Russia who's written the reflash software, but it appears he hasn't logged on to their forum for a few weeks. Otherwise it's wait for the next version of ECUflash.

    aDe

  5. #45

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    Quote Originally Posted by AderC
    ....No reply yet from Dmitriy, the guy in Russia who's written the reflash software, but it appears he hasn't logged on to their forum for a few weeks. Otherwise it's wait for the next version of ECUflash.

    aDe
    That's a shame as Hamish (the writer of the EVOScan software) is really interested in this as well after I told him the VR4 ECU had been successfully re-flashed.......by the Russians..........(that sounds really 80's cold-war stuff doesn't it... )

    Let us know as soon as you hear something. Cheers for that.


  6. #46

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    Interestingly my late 96 pre-facelift has the same ROM file as AderC. Does anyone have a ROM file of a facelift model for comparison? Just wanted to know what mitsu did to get that extra 20 horses.

  7. #47
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    Cant get ECUFlash to read my rom, otherwise I would post it up.

  8. #48

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    Just out of interest, about two months ago I upgraded my AUTO ECU 1997 to a 2001 AUTO ECU. I have noticed a HUGE difference.... It is more responsive, more smoother between gear changes, more economic, and just seems to be more gruntier lol like refined... I haven't had it chipped yet, but am looking into it!

    Cheers
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    with Nankang (ultra-low profile radial) 215/45/17 tyres
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  9. #49

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    Yeah the facelift ecu gave me better fuel economy and a lot more power too. Mitsi did some big tuning for the newer ecu's!

  10. #50

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    Quote Originally Posted by Pescha
    Just out of interest, about two months ago I upgraded my AUTO ECU 1997 to a 2001 AUTO ECU. I have noticed a HUGE difference.... It is more responsive, more smoother between gear changes, more economic, and just seems to be more gruntier lol like refined... I haven't had it chipped yet, but am looking into it!

    Cheers
    Pescha
    (and yes I'm still living!)
    hi
    help me!
    I upgraded test the ECU, AUTO ECU 1997 [iron box] to a mine's AUTO ECU[Black box].and use 97 gear ECU [iron box]is work ok auto gear changes,but i use 98 gear ECU[Black box]. it can not changes to second gear and go to N gear, but use +/- gear is very powerfull
    help help !!

  11. #51
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    Quote Originally Posted by na-1
    hi
    help me!
    I upgraded test the ECU, AUTO ECU 1997 [iron box] to a mine's AUTO ECU[Black box].and use 97 gear ECU [iron box]is work ok auto gear changes,but i use 98 gear ECU[Black box]. it can not changes to second gear and go to N gear, but use +/- gear is very powerfull
    help help !!
    Hello!

    Well, I don't know the answer (Pescha, can you help?), but I guess there's two guesses:

    ** The pins on the Facelift (1998-2003) gear ECUs may be slightly different to the pre-facelift (1996-1998) even though the connectors are the same?

    The Black box gear ECU may be faulty?

  12. #52

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    the engine ecu's can be interchanged, I can think of about 4 people that have done the swap. Maybe it is the auto ecu that is the problem.

  13. #53
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    er...wow...just stumbled on this hidden away in photos!
    So...just let me get this straight:
    My 1996 VR-4 is going to have an H7 cpu.
    If I download the software from the OpenECU thread, and buy a 1.3M cable, I can not only read, but reflash my ECU? And just to sweeten the mixture, someone has provided a late spec ROM image which just happens to be loads better (more bhp, better economy, slicker gearchanges, smoother to drive).

    Is this an accurate summary? If so...I can't find the downside (apart from the low end possibility of bricking my ECU)?

  14. #54
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    Quote Originally Posted by Turbo_Steve
    er...wow...just stumbled on this hidden away in photos!
    So...just let me get this straight:
    My 1996 VR-4 is going to have an H7 cpu.
    If I download the software from the OpenECU thread, and buy a 1.3M cable, I can not only read, but reflash my ECU? And just to sweeten the mixture, someone has provided a late spec ROM image which just happens to be loads better (more bhp, better economy, slicker gearchanges, smoother to drive).

    Is this an accurate summary? If so...I can't find the downside (apart from the low end possibility of bricking my ECU)?
    ECU flash does not yet support re-flashing the ECU... So no benefit yet really.

  15. #55
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    Oh...so I got the wrong end of the stick, then?
    I thought Valmes post was that the russians are flashing them?

    Must be slipping the chips out and flashing them. Gutted.

  16. #56

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    Question

    Quote Originally Posted by bradc
    the engine ecu's can be interchanged, I can think of about 4 people that have done the swap.
    Hey Brad. Exactly what benefits are we looking at here?
    ie; going from a '96 prefacelift auto to a newer ECU..

  17. #57

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    Sydo - more mid range torque, better fuel economy

  18. #58

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    The missing 15kwts?

  19. #59

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    that too

  20. #60

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    **** yeah!

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