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-   -   MY99/00 ECU Pin-out & Apexi Fitting (http://www.southeastscoobies.co.uk/vbulletinforum/showthread.php?t=20820)

Scott.T 08-11-2015 05:54 PM

MY99/00 ECU Pin-out & Apexi Fitting
 
The following images provide the Pin-Out for the 3-Connector MY99/00 ECU for the Subaru Impreza WRX/STI/UK

Also provided is information regarding wire swapping for fitment of the Apexi PFC into a MY99/00 Impreza Turbo UK model (Not required if fitting the Apexi into a Jap WRX or STi).

To perform this modification you will need to :

Swap B136 Pin 5 with B136 Pin 6 (Swaps the Cam & Crank Signals)
On the MY99/00 it is not necessary to move the Fuel Pump Wire

The numbers indicated with a * on the Pin-Out indicate the 'Pin Numbers' in conjunction with the 'Notes' at the bottom of the diagram

http://img.photobucket.com/albums/v9...ps7xjkgaf9.jpg

http://img.photobucket.com/albums/v9...pscqsmexvh.jpg

http://img.photobucket.com/albums/v9...pswobmzxk8.jpg

2-jaffacake-tone 10-11-2015 02:25 PM

cheers scott :)

555_Si 20-03-2016 05:41 PM

bit confused as table says swap b136 pin 5 and 6 round.

picture says swap grey connector b135 pin 5 and 6 around.

I'm going to go with blue connector b136 as seeing as that is mentioned twice :-)

Scott.T 20-03-2016 06:08 PM

Should be blue. Error on my Red mark up above.
You'll probably find the grey doesn't use these pins.

555_Si 20-03-2016 08:16 PM

hmmm, pins swapped and ecu fired up, no start, cranks and gets rpm readout on display, but can't hear fuel pump prime.

555_Si 21-03-2016 08:09 PM

ah pump is priming, not sure if it because i reset ecu or just hadn't noticed.

Scott.T 21-03-2016 08:44 PM

Is it running ?
You may need to force the apexi back to default if it were running bigger injectors.

555_Si 21-03-2016 08:58 PM

no not running yet,

yeah went in to ETC and then initialise i think it was, which i believe is back to default, at this point i definitly heard the fuel pump prime next time i cranked it, but no start.

wondering if one of the trigger wires is damaged, i get a rpm reading on commander when cranking, but i am not sure what sensor it is getting it from.

Scott.T 21-03-2016 09:26 PM

I assume you have swapped back to the OE ECU refitted the crank/cam in the correct orientation and all is well.

555_Si 21-03-2016 09:30 PM

no, job for tomorrow night.

Scott.T 21-03-2016 09:36 PM

If you don't have any joy I can always fit your Apexi in mine to check it works.
I may aswell flash my map into it while there too, if it runs.

555_Si 21-03-2016 09:46 PM

hmm, sounds like that might be an option, what injectors are you using, i'm on std 440's at moment,

Scott.T 21-03-2016 10:05 PM

440's and a Fuelab running 3.2bar

scotty 21-03-2016 10:15 PM

Quote:

Originally Posted by Scott.T (Post 222560)
440's and a Fuelab running 3.2bar

Is it a 2 or 3 port you have fitted scott .

Scott.T 21-03-2016 10:24 PM

3 but plumbed as 2

scotty 21-03-2016 10:28 PM

Cheers .

Red Baron 28-04-2019 02:11 PM

Just to resurrect an old thread, can confirm its pin 5 and 6 (red and white wires on a UK 99 car) on the blue connector and the pin out is shown from the face of the connector and not the ECU.

Scott.T 28-04-2019 02:21 PM

Looking at the history of this thread did you get it off Si
If so it looks like it has my tune on it, which would of confused me when I look at it

Red Baron 28-04-2019 02:32 PM

Yep, it's the one Si had, fired up fine which was a good sign, need to give it a service and change the centre pipe before mapping though.

555_Si 28-04-2019 02:50 PM

Yes scott it was my one which i think you put a modified version of your tune on to get me by.


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