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Hi Guys, 

Before you say search threads I have both here and on UK skyline forum.

So removed ABS system with a gktech abs delete kit, fitted perfect, my brakes are no good any due to big cams etc and I have kept all standard gear if one day I want to refit.

Also fitted a new transfer case, and bleed it all up seems good, now have 4wd light staying on, check attessa ecu for fault codes we had 3, 2 were easy fix and one has us baffled, it's error code 8 being "abs actuator motor, motor relay or circuit.

We can't figure out how to make this go away, it's like it needs the unit connected to delete this fault but why?

Maybe we need to make it think something is there by bridging wires etc?

Done plenty searches and there is topics on this but all very confusing, any help would be much appreciated

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https://www.sau.com.au/forums/topic/473460-atessa-not-working-with-abs-removed/
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1 hour ago, Snara said:

Hmm i have deleted ABS unit from engine bay in R33 GTR, but i leave ABS sensors plugged and ECU and 4WD working fine. 

Thanks Snara but how are u leaving it connected if it’s removed, if the unit is removed the plugs that were plugged to the abs unit have nothing to plug into.

and mine is a 32 so most likely different anyway

1 hour ago, duz10s said:

Thanks Snara but how are u leaving it connected if it’s removed, if the unit is removed the plugs that were plugged to the abs unit have nothing to plug into.

and mine is a 32 so most likely different anyway

In R33 GTR ABS ECU is in the trunk - he need to stay for working ATTESA. ABS sensors are near wheels they still are connected to the ECU - ECU need to see speed front/rear wheels and it give signal to ATTESA ECU and u have 4WD :D 

Maybe in R32 GTR it's different.

Edited by Snara
11 hours ago, Snara said:

In R33 GTR ABS ECU is in the trunk - he need to stay for working ATTESA. ABS sensors are near wheels they still are connected to the ECU - ECU need to see speed front/rear wheels and it give signal to ATTESA ECU and u have 4WD  

Maybe in R32 GTR it's different.

My wheel sensors are fine and working, atessa not showing any faults with them.

bleed system again, the only time 4wd seems to work (well at least warning light goes out and torque gauge works ) is when I disconnect the bleed connector

its doing my head in

12 hours ago, Anonymouse said:

Firstly - Do you have 4WD?

if so Remove globe

(or trick it into thinking there is an ABS actuator motor connected)

Thanks but removing the globe won’t make 4wd work

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