Very odd problem

JWillis72 · 01-20-2014, 06:56 PM

Does the light flash? Mine does a very similar thing if the back end even comes around slightly. I've seen post here that say it the yaw sensor that causes it.

It will even do it with the VDC off unless its disconnected.

SurfDog · 01-20-2014, 06:57 PM

I don't remember seeing the VDC light flash.

JWillis72 · 01-20-2014, 07:02 PM

Quote:

Originally Posted by SurfDog

I don't remember seeing the VDC light flash.

This is the thread talking about it. I bet the light does flash for a second , I have a Stillen supercharger on my car and it causes it to do it all the time.

How to completely disable the VDC

I plan on having a switch added to mine in the near future.

SurfDog · 01-20-2014, 07:03 PM

I figured there HAD to be a thread.

JWillis72 · 01-20-2014, 07:33 PM

It seem some people don't understand why you would disable it but always makes me freak for a second when it kicks in.

Hotrodz · 01-20-2014, 07:56 PM

Wow...this sounds like what happened to me last week on a mountain run. It was not a long sweeper but just as SurfDog described. I was was coming off a down hill run at about 65 or more into a hairpin left hand turn. I braked, down shift, braked and started my turn. The car wanted to push right through the turn. It felt just like I had my foot on the brake and gas pedal. I slammed the brake hard and came to a stop. After removing the fabric from my butt cheeks, I turned the VDC off, which I thought I had already done and everything was fine from that point on.

JWillis72 · 01-20-2014, 07:58 PM

Quote:

Originally Posted by Hotrodz

Wow...this sounds like what happened to me last week on a mountain run. It was not a long sweeper but just as SurfDog described. I was was coming off a down hill run at about 65 or more into a hairpin left hand turn. I braked, down shift, braked and started my turn. The car wanted to push right through the turn. It felt just like I had my foot on the brake and gas pedal. I slammed the brake hard and came to a stop. After removing the fabric from my butt cheeks, I turned the VDC off, which I thought I had already done and everything was fine from that point on.

It will still do it with the VDC off if the back comes around at all. I understand why that works for everyday driving but its a little freaky when you are pushing it in a turn. With the TT it wont be the last time it does it!

SurfDog · 01-20-2014, 08:06 PM

Interesting I've never had it happen with VDC off. I'll have to play a bit and test. (Turn 5 at HPR might be a good spot to research this phenomenon.)

JWillis72 · 01-20-2014, 08:09 PM

Mine does it even if I go through a sandy median on the gas, I'm 100% positive it does it with it off. I always turn my VDC off unless its raining.

SurfDog · 01-20-2014, 08:10 PM

Good to know. I read other threads that say it has something to do with the yaw damper.

SurfDog · 01-20-2014, 08:11 PM

...which is a ***** to turn off apparently.

Hotrodz · 01-20-2014, 08:34 PM

Thanks for the info guys. I didn't know if it was due to my sway bars not being tuned as well as they could be. I know that can cause understeer as well. I don't know about you guys, but I get just as much pleasure out of executing these kind of driving maneuvers just as much as accelerating from 20 to 100mph. I hope someone come up with a workable remedy!

SurfDog · 01-20-2014, 08:36 PM

I agree it's all a blast. I put in a Quaife LSD. It helped with oversteer quite a bit. (IOW it made it more fun lol)

JWillis72 · 01-20-2014, 08:39 PM

Quote:

Originally Posted by Hotrodz

Thanks for the info guys. I didn't know if it was due to my sway bars not being tuned as well as they could be. I know that can cause understeer as well. I don't know about you guys, but I get just as much pleasure out of executing these kind of driving maneuvers just as much as accelerating from 20 to 100mph. I hope someone come up with a workable remedy!

My understanding is it only takes a momentary disruption from the sensor to turn it off, so installing a push button break in the power line should work. My car is is the body shop getting a new hood but I plan to look into it when I get it back.

Hotrodz · 01-20-2014, 08:48 PM

Sweet...in for hearing about your results.

01-20-2014, 06:56 PM	#16 (permalink)
JWillis72 A True Z Fanatic Join Date: Sep 2013 Location: Fort Myers FL Posts: 2,002 Drives: 2009 370Z yellow 7AT Rep Power: 45	Does the light flash? Mine does a very similar thing if the back end even comes around slightly. I've seen post here that say it the yaw sensor that causes it. It will even do it with the VDC off unless its disconnected. Last edited by JWillis72; 01-20-2014 at 06:58 PM.

01-20-2014, 06:57 PM	#17 (permalink)
SurfDog A True Z Fanatic Join Date: May 2012 Location: Colorado (9000 feet) Age: 56 Posts: 1,796 Drives: 09 6mt, 13 Sequoia, Rep Power: 15749	I don't remember seeing the VDC light flash. __________________ 09 6spd Berk CBE, JWT cams, ZSpeed CSC, Stillen (25 row oil, brake cooling, sways, gen3 CAI), Passport (9500ci), Quaife LSD, Z1 400 hp kit, ss lines, pads, rotors, clutch etc, Phunk's pan and fuel starve fix

01-20-2014, 07:03 PM	#19 (permalink)
SurfDog A True Z Fanatic Join Date: May 2012 Location: Colorado (9000 feet) Age: 56 Posts: 1,796 Drives: 09 6mt, 13 Sequoia, Rep Power: 15749	I figured there HAD to be a thread. __________________ 09 6spd Berk CBE, JWT cams, ZSpeed CSC, Stillen (25 row oil, brake cooling, sways, gen3 CAI), Passport (9500ci), Quaife LSD, Z1 400 hp kit, ss lines, pads, rotors, clutch etc, Phunk's pan and fuel starve fix

01-20-2014, 07:56 PM	#21 (permalink)
Hotrodz A True Z Fanatic Join Date: Aug 2012 Location: NW, AZ Posts: 9,330 Drives: 10 Nissan 370z Nismo Rep Power: 2684385	Wow...this sounds like what happened to me last week on a mountain run. It was not a long sweeper but just as SurfDog described. I was was coming off a down hill run at about 65 or more into a hairpin left hand turn. I braked, down shift, braked and started my turn. The car wanted to push right through the turn. It felt just like I had my foot on the brake and gas pedal. I slammed the brake hard and came to a stop. After removing the fabric from my butt cheeks, I turned the VDC off, which I thought I had already done and everything was fine from that point on. __________________ *Fast Intentions TT Installed and Tuned by Seb at SpecialtyZ 610whp 560tq:\|Fast Intentions 3" TT-TDX*\|SpecialtyZ/Fast Intentions 72 Row Oil Cooler\|SZ 6 Puck Clutch & Flywheel\|3GsCustoms\|Z1\|Wavetrac\|Hotchkis\|Whiteline \|Blitz\|Fortune Auto 500\|Fujimura\|SPL\|H&R\|TK\|TWM\|RPM Rollbar\|Sparco\|Next Level Performance\|TrackSpec\|AeroFlow Dynamics\|Pioneer\|

01-20-2014, 08:06 PM	#23 (permalink)
SurfDog A True Z Fanatic Join Date: May 2012 Location: Colorado (9000 feet) Age: 56 Posts: 1,796 Drives: 09 6mt, 13 Sequoia, Rep Power: 15749	Interesting I've never had it happen with VDC off. I'll have to play a bit and test. (Turn 5 at HPR might be a good spot to research this phenomenon.) __________________ 09 6spd Berk CBE, JWT cams, ZSpeed CSC, Stillen (25 row oil, brake cooling, sways, gen3 CAI), Passport (9500ci), Quaife LSD, Z1 400 hp kit, ss lines, pads, rotors, clutch etc, Phunk's pan and fuel starve fix

01-20-2014, 07:33 PM	#20 (permalink)
JWillis72 A True Z Fanatic Join Date: Sep 2013 Location: Fort Myers FL Posts: 2,002 Drives: 2009 370Z yellow 7AT Rep Power: 45	It seem some people don't understand why you would disable it but always makes me freak for a second when it kicks in.

01-20-2014, 08:09 PM	#24 (permalink)
JWillis72 A True Z Fanatic Join Date: Sep 2013 Location: Fort Myers FL Posts: 2,002 Drives: 2009 370Z yellow 7AT Rep Power: 45	Mine does it even if I go through a sandy median on the gas, I'm 100% positive it does it with it off. I always turn my VDC off unless its raining.

01-20-2014, 08:10 PM	#25 (permalink)
SurfDog A True Z Fanatic Join Date: May 2012 Location: Colorado (9000 feet) Age: 56 Posts: 1,796 Drives: 09 6mt, 13 Sequoia, Rep Power: 15749	Good to know. I read other threads that say it has something to do with the yaw damper. __________________ 09 6spd Berk CBE, JWT cams, ZSpeed CSC, Stillen (25 row oil, brake cooling, sways, gen3 CAI), Passport (9500ci), Quaife LSD, Z1 400 hp kit, ss lines, pads, rotors, clutch etc, Phunk's pan and fuel starve fix

01-20-2014, 08:11 PM	#26 (permalink)
SurfDog A True Z Fanatic Join Date: May 2012 Location: Colorado (9000 feet) Age: 56 Posts: 1,796 Drives: 09 6mt, 13 Sequoia, Rep Power: 15749	...which is a ***** to turn off apparently. __________________ 09 6spd Berk CBE, JWT cams, ZSpeed CSC, Stillen (25 row oil, brake cooling, sways, gen3 CAI), Passport (9500ci), Quaife LSD, Z1 400 hp kit, ss lines, pads, rotors, clutch etc, Phunk's pan and fuel starve fix

01-20-2014, 08:34 PM	#27 (permalink)
Hotrodz A True Z Fanatic Join Date: Aug 2012 Location: NW, AZ Posts: 9,330 Drives: 10 Nissan 370z Nismo Rep Power: 2684385	Thanks for the info guys. I didn't know if it was due to my sway bars not being tuned as well as they could be. I know that can cause understeer as well. I don't know about you guys, but I get just as much pleasure out of executing these kind of driving maneuvers just as much as accelerating from 20 to 100mph. I hope someone come up with a workable remedy! __________________ *Fast Intentions TT Installed and Tuned by Seb at SpecialtyZ 610whp 560tq:\|Fast Intentions 3" TT-TDX*\|SpecialtyZ/Fast Intentions 72 Row Oil Cooler\|SZ 6 Puck Clutch & Flywheel\|3GsCustoms\|Z1\|Wavetrac\|Hotchkis\|Whiteline \|Blitz\|Fortune Auto 500\|Fujimura\|SPL\|H&R\|TK\|TWM\|RPM Rollbar\|Sparco\|Next Level Performance\|TrackSpec\|AeroFlow Dynamics\|Pioneer\|

01-20-2014, 08:36 PM	#28 (permalink)
SurfDog A True Z Fanatic Join Date: May 2012 Location: Colorado (9000 feet) Age: 56 Posts: 1,796 Drives: 09 6mt, 13 Sequoia, Rep Power: 15749	I agree it's all a blast. I put in a Quaife LSD. It helped with oversteer quite a bit. (IOW it made it more fun lol) Hotrodz likes this. __________________ 09 6spd Berk CBE, JWT cams, ZSpeed CSC, Stillen (25 row oil, brake cooling, sways, gen3 CAI), Passport (9500ci), Quaife LSD, Z1 400 hp kit, ss lines, pads, rotors, clutch etc, Phunk's pan and fuel starve fix

01-20-2014, 08:48 PM	#30 (permalink)
Hotrodz A True Z Fanatic Join Date: Aug 2012 Location: NW, AZ Posts: 9,330 Drives: 10 Nissan 370z Nismo Rep Power: 2684385	Sweet...in for hearing about your results. __________________ *Fast Intentions TT Installed and Tuned by Seb at SpecialtyZ 610whp 560tq:\|Fast Intentions 3" TT-TDX*\|SpecialtyZ/Fast Intentions 72 Row Oil Cooler\|SZ 6 Puck Clutch & Flywheel\|3GsCustoms\|Z1\|Wavetrac\|Hotchkis\|Whiteline \|Blitz\|Fortune Auto 500\|Fujimura\|SPL\|H&R\|TK\|TWM\|RPM Rollbar\|Sparco\|Next Level Performance\|TrackSpec\|AeroFlow Dynamics\|Pioneer\|

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