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> anyone running 3rd gen MR2 ECU?
post Feb 28, 2016 - 8:14 PM
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Smaay

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Like the title says, is anyone running a 3rd gen ECU from an MR2. according to this diagram, the MR2 has more sensors than the ST205. will I be fighting a CEL?




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2001 Celica GT-S Turbo
1997 Supra TT 6speed
1997 Celica 3MZ/1MZ swap
1990 Celica All-Trac
post Mar 13, 2016 - 7:53 AM
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presure2



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yup, did it on jims 3rd gen in the alltrac. IIRC the extra pins are for things like the PS and stuff, nothing critical.


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post Mar 14, 2016 - 10:04 AM
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Smaay

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^^^ Thanks Manny!!!

it looks like the 3rd gen has the same signals like the 205 for intercooler? did you have to defeat code 54 the same way?

This post has been edited by Smaay: Mar 14, 2016 - 10:08 AM


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2001 Celica GT-S Turbo
1997 Supra TT 6speed
1997 Celica 3MZ/1MZ swap
1990 Celica All-Trac
post Mar 15, 2016 - 5:18 AM
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presure2



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no.


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post Mar 15, 2016 - 8:57 AM
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Smaay

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good to know. i wonder why people doing third gen swaps dont seek out these ECUs?


looking at the Engine control drawing for the 1993 All-Trac and the 3rd gen SW20 pinouts. I have to change 2 pins!!!! thats it 2 pins.

Move FPR pin A-6 to C-16
Move PIM pin C-5 to C-2

It cant possibly be that easy

This post has been edited by Smaay: Mar 15, 2016 - 11:11 AM


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2001 Celica GT-S Turbo
1997 Supra TT 6speed
1997 Celica 3MZ/1MZ swap
1990 Celica All-Trac
post Mar 19, 2016 - 7:46 AM
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presure2



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QUOTE (Smaay @ Mar 15, 2016 - 9:57 AM) *
good to know. i wonder why people doing third gen swaps dont seek out these ECUs?


looking at the Engine control drawing for the 1993 All-Trac and the 3rd gen SW20 pinouts. I have to change 2 pins!!!! thats it 2 pins.

Move FPR pin A-6 to C-16
Move PIM pin C-5 to C-2

It cant possibly be that easy

cause the 205 has more agressive mapping, just like the 185 VS the mr2.


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post Mar 19, 2016 - 10:48 PM
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Smaay

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so the 205 ECU performs better than an MR2? interesting, i never heard of this.


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2001 Celica GT-S Turbo
1997 Supra TT 6speed
1997 Celica 3MZ/1MZ swap
1990 Celica All-Trac
post Mar 20, 2016 - 7:36 AM
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the 205 has far superior intercooling, therefore can run more timing.


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post Mar 20, 2016 - 10:24 AM
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Smaay

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makes sense. thanks again

hey you wouldnt happen to have a 3rd gen MAP sensor


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2001 Celica GT-S Turbo
1997 Supra TT 6speed
1997 Celica 3MZ/1MZ swap
1990 Celica All-Trac
post Mar 26, 2016 - 8:46 AM
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presure2



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nope sorry.
martin vernier on facebook is a reliable source for gen3/4 parts now a days. IIRC primemr2.com has em new for around 150 or so.


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