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LMFAO
ok i'll let you have that one, it was well put :P
On Wed, Sep 18, 2013 at 8:59 PM, Looonie <supras@boost.org.nz> wrote:
> 7M ecu’s never really got much use because the engines were always killing
> themselves in a variety of colourful, harmful and smokey ways. ****
>
> ** **
>
> 1JZ ecu’s on the other hand have a much harder job processing all that
> superior power, torque and doing it on a daily basis, day in day out
> without stop ;)****
>
> ** **
>
> Che che****
>
> Looonie****
>
> ** **
>
> *From:* bounce-101451-4880@list.supras.org.nz [mailto:
> bounce-101451-4880@list.supras.org.nz] *On Behalf Of *Suzy W
> *Sent:* Wednesday, 18 September 2013 8:53 p.m.
> *To:* Supra Club of NZ Mailing List
> *Subject:* Re: [sconz] Question regarding 1jz-gte idle****
>
> ** **
>
> Driftmotion fixes 1jz ecu's daily, replacing the capacitors, not sure why
> they take a dump when the ecu isn't that much newer than the 7m, why change
> what worked :/****
>
> ** **
>
> On Wed, Sep 18, 2013 at 8:31 PM, Dennis de Jong <catingle1975@gmail.com>
> wrote:****
>
> Yeah, yeah, always something new to learn hehe. Enjoy the gloat! :-P ****
>
> On 18/09/2013 7:02 AM, "Suzy W" <suprra@gmail.com> wrote:****
>
> 1jz ecus are very well known for crapping themselves :D****
>
> ** **
>
> *gloat gloat* yw :)****
>
> ** **
>
> On Wed, Sep 18, 2013 at 6:42 PM, Dennis de Jong <catingle1975@gmail.com>
> wrote:****
>
> Hi all,
>
> I have a question regarding the idle on a 1jz-gte. First a little bit of
> background which might be helpful to others with weird electrical issues.
>
> I discovered some strange electrical problems which involved the catalytic
> converter light flickering on and off while the car was running and turning
> off whenever I pressed the brake pedal. It turned out pressing the brake
> pedal increased the voltage at the CCO pinout on the ECU, this pushed the
> voltage above what was needed to switch the light on (low voltage means an
> overheating catalytic converter). I thought this was odd since I don't have
> a catalytic converter or a sensor. Furthermore, pressing on the brake pedal
> also increased the idle speed by ~100rpm. It only did this when the brake
> light circuit was intact, so it was not a vacuum issue.****
>
> Lots of reading on the interweb yielded little help, apart from general
> confusion regarding the CCO circuit and whether or not removing the sensor
> made a difference to fuel/air mixture. I can't say for sure whether the
> ECU uses this value for any engine management, even with the manual! But
> when there is no sensor, the ECU defaults to approximately 3 volts, which
> is in the middle of the normal voltage range for the catalytic converter
> (2.5 to 5.5 volts). Essentially the ECU only seems to care whether the
> voltage in the CCO circuit is above approximately 2 volts as far as I can
> tell.****
>
> After a lot of fiddling about testing the loom and learning a lot along
> the way, a friend of mine who does a lot of work with electronics talked me
> through the circuit and a bit about ECU operation. This led to
> investigating the ECU which, 7M owners feel free to gloat here, had leaking
> capacitors, these had been fixed before by someone else, but were leaking
> again, I'm not sure why this was as the ECU was not the one that came with
> the front cut.
>
> Replacing these solved the above problems and some others which were more
> subtle. The idle now stays at normal speed ~750rpm when the car is warmed
> up, but still sounds quite "messy". I haven't heard many 1jz's idle, and
> can't seem to find any on youtube that haven't been modified. Only
> modifications for my car are the muffler, pod filter and aftermarket blow
> off valve (came with the front cut from Japan). I've uploaded a video of my
> car idling to (easier to hear with head phones):
>
> http://youtu.be/zZJeVP5sNs8****
>
> Just wondering if this is normal idle for an unmodified 1JZ? The reason
> I'm asking is that I want to make sure:
>
> A) I'm not trying to create a problem when there is none.
> B) Whether there's not another issue I need to attend to while I'm
> tinkering
> C) Whether there's a possibility some other gremlin in the ISC system
> caused the capacitors to start leaking.****
>
> Any thoughts would be much appreciated.****
>
> ---****
>
> Supra Club of New Zealand - http://www.supras.org.nz/****
>
> Website sponsored by Alltech Diesel & Turbocharger http://www.turbo.co.nz****
>
>
>
> ****
>
> ** **
>
> --
> Cheers
>
> Suze
> 7M POWAH! ;)
> www.supra.co.nz ****
>
> ---****
>
> Supra Club of New Zealand - http://www.supras.org.nz/****
>
> Website sponsored by Alltech Diesel & Turbocharger http://www.turbo.co.nz****
>
> ---****
>
> Supra Club of New Zealand - http://www.supras.org.nz/****
>
> Website sponsored by Alltech Diesel & Turbocharger http://www.turbo.co.nz****
>
>
>
> ****
>
> ** **
>
> --
> Cheers
>
> Suze
> 7M POWAH! ;)
> www.supra.co.nz ****
>
> ---****
>
> Supra Club of New Zealand - http://www.supras.org.nz/****
>
> Website sponsored by Alltech Diesel & Turbocharger http://www.turbo.co.nz****
>
>
> ---
> Supra Club of New Zealand - http://www.supras.org.nz/
> Website sponsored by Alltech Diesel & Turbocharger http://www.turbo.co.nz
>
>
--
Cheers
Suze
7M POWAH! ;)
www.supra.co.nz
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