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Traction Control in R34

Guest neoGT-25

By Guest neoGT-25,
in R Series (R30, R31, R32, R33, R34)

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  • 3 months later...
p75153 Rookie

p75153

Posted
Posted

Ive just bought an R34, and the traction control light on the dashboard doesnt come on at all. Even when you operate the switch on the dashboard ( in front of your left knee).

I suppose the traction control prevents 1 wheel slipping more than the other in slippery conditions, and if you dont want the feature you turn it off via the switch on the dashboard, and a light comes on on the instrument panel.............So where can I start to repair this feature?

Im starting to think that a workshop manual is a necessity with this model, but at $650.00, it is a bit steep.

smb35673 Newbie

smb35673

Posted
Posted

I have just bought a 1999 GTT ER34 as well ... waiting for Compliance to become available again before I import. But I have a translated Japanese manual I bought from www.importdrive.com.au ... it was about $50 I think... for those interested.

As far as I can tell from the book cars fitted with TCS have a button on the left hand side just under the steering wheel to turn the feature on or off (above your left knee as described already).

Also when you have the TCS on No light should be on in the dash. When you turn the system off there will however be a light confirming TCS OFF .... as far as I can tell TCS will do its job in the background when required.

Accrording to the manual when TCS actually kicks in under heavy acceleration the Slip light will flash indicating that the car may slip .... I suppose thats the only evidence of the TCS operating you'll see in the instrument panel.

One good way to check to see if its the globe or the light thats faulty is to check it when you are turning the car on ... as the car is turned on BOTH the TCS OFF light as well as the SLIP light should come on in the dash, after the car has started and if the system is working properly both lights should then go off. If either the TCS OFF light or SLIP light stay on afer starting the car this indictaes a fault in the system ... thats when you need to get it repaired.

Hope that helps

NismoR34 Grand Master

NismoR34

Posted
Posted
Originally posted by smb35673

Accrording to the manual when TCS actually kicks in under heavy acceleration the Slip light will flash indicating that the car may slip .....

YES, that is exactly what happens!

Btw TCS works by reducing engine power when it detects wheelspin to the driving wheels - in theory it should prevent you from 'burning out' your tyres too but in the wet it can still spin - I have tried it at heathcote whilst doing some 1/4 mile runs...

  • 10 months later...
NJR 34GTT Proficient

NJR 34GTT

Posted
Posted

Sorry to dig up this old post but I've just got a GT-T and noticed that with the TCS on sometimes under hard acceleration the car seems to shudder when accelerating. It starts to accelerate hard then drops revs then goes again then drops revs etc. Doesn't do it with TCS off. I imagine this is just TCS functioning correctly by limiting revs when wheelspin is detected? In this case it will be switched off from now on unless its wet.

3R1K Veteran

3R1K

Posted
Posted

Yeah, you got it correct NJR 34GTT, it only drop the rev to prevent the power going from the engine to the wheel so the computer disconnect the power to the wheel due to wheel spin.

So remember to turn off your TCS while you are racing :cheers:. In wet day it's very useful though hehehe.

About boost cut/fuel cut issue I can't really answer that :)

That's from me

NIZR34GTT Community Regular

NIZR34GTT

Posted
Posted
Hmmm.... After reading a few other threads I have realised this could also be boost/fuel cut? Since its running 13psi which is supposedly very high for a 34 I suspect this is more likely the issue?

I run mine at 1 bar but I had to fit a fuel defender to be able to do that.Other wise car misses and starves of fuel.

It is a wonder your car is not missing and farting running at 13 lb or do you have a fuel defender fitted.

NJR 34GTT Proficient

NJR 34GTT

Posted
Posted

No running issues at all.

Basic mods on the engine, pretty sure it is the tcs.

as it is happening at quite low revs ~3000-3500rpm as opposed to the higher rpms usually experienced with boost/fuel cut.

As for the fuel defender I am not 100% sure but it was tuned to run as it is with the boost level and has been running it quite happily for over a year now.

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