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Hey Guys,

I have just started to install my avc-r boost controller and have found the vehicle specific wiring diagram obtained from the official apexi site does not match that of my ECU. My car is a 1995 series1 gts25t.

Below is the picture of the plug and where I was going to splice the wires at. (Note no rpm signal pin where it supposed to be)

pinout1.jpg

Does anyone know what deal with this is or where the actual rpm pin is?

Also, have I got it upside down or the wrong diagram???

And here is the pin out diagram provided by apexi.

clip_image002.jpg

Any help much appreciated, as I'm baffled.

Edited by BAMR33
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https://www.sau.com.au/forums/topic/144789-avc-r-wiring-problems/
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i just installed mine 2 days ago, that is the correct diagram and mine works . i highly suggest u got the the injection signal rather than the rpm since the avcr cant "self learn" the boost setting to the specific injection duty. (if u are setting it urself and not getting it tuned)

if u are getting it tuned let the tuner set it to ur revs, my mate told me he knows a guy who blew his engine because of that.

im gunna write up a DIY since no one here has done it for the avc-r. so it will be up soon

heres a diagram that would really help. u can double check if ur wiring is backwards by checking the blanks.

the diagram shows the male(pins) on the ecu. so make sure u dont get them mixed up.

like i say follow this diagram, the blanks will clearly show u which wires the the right ones. gluck dude and make sure the wires are in good contact.

post-17292-1164475438.jpg

no probs i was shitty myself too when i did it LOL.

but when i followed the connectors according to blanks i relise they are the male connectors.

have fun. ps u going for injector signal or rpm. i got stock turbo too so let me know how much duty cycle u running.

this is the way i set up mine.

OFF-stock boost (this way u actually have 2 boost settings)

A- .65 with 35% duty cycle (street)

B- .80 with 45% DC (dont want to hurt my baby).....this is enough fun for now.

It's now wired in, sh1t's rock'n an roll'n. I just went with the rpm signal as I'll have the pfc to monitor injector duty.

For now I'll be running a big 10% DC just to stablize the boost curve ie. not solely relying on wastegate (probably bump it up to 9psi) Untill I get the rest of mods on and a proper tune i'm not gunna bother running anymore boost.

ahhah pussy! ;)

i ran .85 as soon as i test drove it LOL, this is with my stock cooler.LOL

just finished putting on dump/front, catch can, r34 cooler,water spray for cooler and redo my boost gauge to pro standards. just need an exhaust place to weld up my hi flow and ill feel safe running .8bar (12psi)

just a quick question me that me and a mate had diff on. the smaller the duty cycle the faster it boost? or the higher it is the more it boost?

Edited by philta
ahhah pussy! :D

i ran .85 as soon as i test drove it LOL, this is with my stock cooler.LOL

just finished putting on dump/front, catch can, r34 cooler,water spray for cooler and redo my boost gauge to pro standards. just need an exhaust place to weld up my hi flow and ill feel safe running .8bar (12psi)

just a quick question me that me and a mate had diff on. the smaller the duty cycle the faster it boost? or the higher it is the more it boost?

Bahaha...

I couldn't resist either, nice cool night minimal traffic. Boosted it up to .8bar no troubles. Looks friggin cool at night.

Na, the duty cycle is purely to do with boost control by controlling the duration the solenoid is open and bleeding off air. It has no effect on the rate of spooling, the higher the DC the more air is getting bleed off ie. tricking the wastegate actuator into running more boost.

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