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Old 08-11-2015, 04:36 PM
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Scott.T Scott.T is offline
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Default MY97/98 ECU Pin-out & Apexi Fitting

The following images provide the Pin-Out for the 3-Connector MY97/98 ECU for the Subaru Impreza WRX/STI/UK

Also provided is information regarding wire swapping and moving of wires for fitment of the Apexi PFC into a MY97/98 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 8 with B136 Pin 10 (Swaps the Cam & Crank Signals)
Move B137 Pin 17 to B137 Pin 7 (Relocates the Fuel Pump Signal)

The numbers indicated with a * on the Pin-Out do not refer to 'Pin Numbers' but to the 'Notes' at the bottom of the diagram




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Old 28-11-2015, 02:54 PM
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So if i bought another one it would be plug and play for me as i have a jap sti ?
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1998 UK Turbo , 1998 Terzo , 1997 JDM Type R the money pit , 2004 black WRX STI Type UK , 2004 blue FSTI
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Old 28-11-2015, 05:29 PM
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Quote:
Originally Posted by scotty View Post
So if i bought another one it would be plug and play for me as i have a jap sti ?
Yes for Jap it will plug straight in.
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Old 07-03-2017, 01:45 AM
Scott.R Scott.R is offline
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Default 98 uk wrx

My B137 plug slot 7 and 17 empty for fuel pump relay. I am swapping 8s ECU with JDM 75 STi ECU due to 8s giving wrong key error immobilising car and could not get another 8s matching ignition kit. With the 75 ECU I have installed yellow injectors and orange AFM. I have no idea which terminal is fuel pump relay slot 7 and 17 empty. Any advice how I can get this car to go again?
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Old 08-03-2017, 09:12 PM
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Quote:
Originally Posted by Scott.R View Post
My B137 plug slot 7 and 17 empty for fuel pump relay. I am swapping 8s ECU with JDM 75 STi ECU due to 8s giving wrong key error immobilising car and could not get another 8s matching ignition kit. With the 75 ECU I have installed yellow injectors and orange AFM. I have no idea which terminal is fuel pump relay slot 7 and 17 empty. Any advice how I can get this car to go again?
Are you counting the numbers from the correct way. The image orientation is either ECU or Cable/Connector which will be a mirror image. Without an ECU in front of me I cannot tell which way they have represented it.

IMHO it would not be wise to run a STi ECU in a UK car unless you plan to get it remapped due to the much more aggressive timing and different turbo setup. The only option to remap a MY97/98 ECU it to use ESL Daughterboard via ESL or Duncan at Race Dynamix.
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Old 08-03-2017, 09:14 PM
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Just spotted you are in New Zealand, so Duncan at Race Dynamix is probably !!!!! not an option. Oh! and you must be our Southest South East Member
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