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help!!! gtr attessa problems guru needed

tribex

By tribex,
in Engines & Forced Induction

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tribex Enthusiast

tribex

Posted
Posted

Hey fellas,

having a problem with a r33 96 v spec gtr, two workshops have looked into this and given up,

problems is or was at first that whenever we broke traction like even just a little bit on a gravel driveway or in the wet the 4wd and a-lsd lights would come on???? the car seemed to be fine still in 4wd mode and all???

to complicate things furtrher now the lights dont come on when we brake traction so we have difficulty showing anyone, they now generally come on after the car has been driven reasonably and then after its left running for a minute sitting still!!!!! they dont go off again until the car is turned off and re started!!!!

****IN givin me the shits!!!

we are running a microtech ecu.....

KamikazeR33 Grand Master

KamikazeR33

Posted
Posted

since the car still mechanically seems to be working properly, id say it is a electronic problem

check the fuses, then get the attessa pro computer checked out aswell (maybe swap with one to c if its the problem)

tribex Enthusiast

tribex

Posted
  • Author
Posted

ok,

no the car has never been in an accidednt and no mechanics can find any serious damage.

the car has about 30 k on the clock , but being an import??? but the car is in good nick.

the lights are now coming on after the car has been driven and if its then left running and stationary, like at the traffic lights or something. the lights stay on until the car is switched off and started again.

so you have seen this before then Lal??? what did people do to fix it???

Amaru Veteran

Amaru

Posted
Posted

Im unsure if its the same in the R33's, but in the R32 the ATTESSA control box is in the boot (open the boot then look on the roof of the boot and theres a few boxes). Theres a silver one with a LED on the bottom of it. This is the control box, if theres an error with attessa it will flash a fault code (when the lights come on, pull over, dont turn the car off and check what its flashing).

Have you checked the transfer case fluid levels and the attessa fluid levels? Mine was running low and this caused havoc on my car... but once again its a 32 not 33.

LaL Rising Star

LaL

Posted
Posted

i fixed it myself, got some help at sendai drags when i was back there...

in the boot there are fuses all over the place..

on the MIDDLE SET OF ROWS the SECOND fuse going DOWN pull that out.. then try to turn your car on.. it wont turn on . then put the fuse back on then turn it on.. and see how you go from there. this usualy fixes it..

rb26dett Experienced

rb26dett

Posted
Posted
Why not just AXE the ATTESSA and buy a replacement bar from me, then pull the globes from the annoying warning lights.

 

No ATTESSA, no problem...works for me on the track.

dude i think that's hicas u mean...the whole reason u buy a GTR is because of ATTESSA

i''ll probably check the fluid levels and the fuses 1st. not sure how to get the car to diagnose attessa problem codes but if you had a mechanic with a Nissan consult near you that'd help.

might be the clutch pack that activates the attessa is worn or spoilt or something.

rb26dett Experienced

rb26dett

Posted
Posted

get on the internet to find out...i found out how to get the hicas to flash problem codes from the net...i'm sure melb has some good GTR mechanics out there like the guy who used to tune the GTRs that ran in Bathurst...but he's pricey.

geoff...yea i always find i have to correct and re-correct the car on a hard exit so i think a hicas lock would be good

tribex Enthusiast

tribex

Posted
  • Author
Posted

LAL....

i'm looking at the fuses and i'm seeing a centre row of marked fuses, the third fuse down this row says 4wd-lsd which are the lights that are coming on so i'm gussing thhat this is the fuse you are talking about???? the 1st fuse says MAIN so i'm guessing its not that, the second one down says BLOWER so i'm guessing you mean the 3rd one down called 4wd-lsd?? i'll try this one, there is also a big blue fuse sitting by itself i dont what this does????

RB26dett i dont know what your talking about none of the computers in the back of my car have any LED on them and its a ATTESSA problem not a hicus problem, but thanks for the input, i'm not being sarcastic maybe your thinking of an r32???

cheers fellas,

Amaru Veteran

Amaru

Posted
Posted

On that note, im now starting to experiance problems with my attessa system. Its a 1992 R32 GTR (non v-spec). It still drives fine, not flashing any fault codes, but when im driving normally, its putting torque to the front wheels (goes upto 25) when it never used to (unless I was hammering it, it would stay rwd). Cruising along in 5th gear, even when I tap the throttle it goes up a little bit.

Any ideas?

Demon Experienced

Demon

Posted
Posted

tribex, when the 4wd light comes on does your car go into rwd mode only? From your original post, it sounds like it stays in 4wd mode but the light comes on. Usually light coming on means 4wd is disengaged...if this is the cash...try bleeding the system...air in the system causes this....hope this helps

meshmesh Mentor

meshmesh

Posted
Posted

No expert here.. so dont bag me if this sounds silly...

Do you have stocks wheels on your car? Are the Tyres exactly the same size allround?

I had a similar problem with my gtr when I fitted 19's to it.. problem was the rims were different, 275's at the back & 245's at the front, and the ATTESSA was sensing this as a loss of traction. I was also told that in the case you have major uneven tyre tread wear, the ATTESSA will sense this as loss of traction & the 4WD will light up.

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