View Single Post
Old 01-30-2010, 06:21 AM   #58 (permalink)
AK370Z
Administrator
 
AK370Z's Avatar
 
Join Date: Sep 2008
Location: NJ
Posts: 9,930
Drives: 09 370Z MB Sports M6
Rep Power: 10
AK370Z has a reputation beyond reputeAK370Z has a reputation beyond reputeAK370Z has a reputation beyond reputeAK370Z has a reputation beyond reputeAK370Z has a reputation beyond reputeAK370Z has a reputation beyond reputeAK370Z has a reputation beyond reputeAK370Z has a reputation beyond reputeAK370Z has a reputation beyond reputeAK370Z has a reputation beyond reputeAK370Z has a reputation beyond repute
Default

Quote:
Originally Posted by AK370Z View Post
Sorry to hear it. Quick question, if you take the car off the "S Mode", can you replicate such behavior?
TheWeatherman, I asked the following just to make sure it's NOT the SRM that's causing this. Though, after watching your video again, I find it VERY bizarre and I blame a faulty accelerator pedal assembly. (possibly). But, I'm still curious, were you able to replicate the above mentioned problem without SRM?



Quote:
Originally Posted by bullitt5897 View Post
TheWeatherman,

I know for a fact why your 370z seems like it is continuing to rev...

Here is why:

first of all you are in sport mode which enables synchro rev match. Secondly you pulled the transmission out of gear and left it in neutral from 5th gear. The way synchro rev match works is that it anticipates your next gear so for instance if I were to shift from 5th to 4th it would rev for 4th gear's rpms. Now SRM (synchro rev match) only revs when in neutral or at the gate of the next lowest gear. That is your problem... well not a problem just a lil uneducated on the feature. If this bothers you turn off your SRM by pushing the sport button until the little S disappears from your gear indicator. This has nothing to do with your car being warm. Now if you want to try it again leave it in gear this time and just clutch it... I bet you it wont do the rev climb.

So in final your Z is perfectly normal... so stop babying it and drive it like a big boy
Quote:
Originally Posted by m4a1mustang View Post
I didn't really think of the SRM being the source of the issue because I have never had it do any of this lazy rev stuff. Usually if I pop out of gear to coast to a stop the RPMs will just drop unless I really act like I'm goign to engage a lower gear... and then it's an aggressive blip.
Quote:
Originally Posted by bullitt5897 View Post
TW, I have played around with SRM quite a bit and yes it will hold 3500rpms in neutral if it is near one of the gates. I as a fun lil habit when coasting in neutral will push the shifter laterally to the lower gears and it will act like it rev'd but I never came even close to a gate... in my case it would hold it for several seconds and then finally relent. I believe with turning the SRM system off while running the car for a few mile then turning it back on will help trouble shoot the issue. For sure I know it is an SRM issue like I stated before. I didnt see that you were at zero mph earlier and after watching the video again I see that. turn off the SRM drive it and see if that fixes the issue, then turn it back on and see if it continues. if that doesnt work unplug the battery for several minutes to let everything die down and then plug the battery back up and try again.
Quote:
Originally Posted by Modshack View Post
I can wiggle my stick all I want in the neutral gate with no SRM activity. Others have reported some triggering though. Mine will not rev match until I make a definitive move into a respective gear gate FWIW...
Very weird /\..

Quote:
Originally Posted by ChrisSlicks View Post
Strange, mine revs up as I push the stick left through the neutral zone (watch out for Romulans). For example if I'm cruising in 6th and I move straight up the revs hold where they are, then if I move it to center neutral it will rev some more (anticipating a shift to 3rd or 4th), and if I go all the way left it will rev way up anticipating a shift to 1st or 2nd. Then when I actually start moving from neutral to a gear it will lock onto the actual RPM it needs for that gear ratio which may cause it to rev up a little higher still in the case of 1, 3, 5. In neutral it only does this for about 2 seconds before it gives up on you.

I've seen other people documenting this behavior, including a video so I know I'm not crazy.
I will clear up some confusion with a video that I made yesterday. I don't know why Modshack's SRM doesn't do this but almost all members here can say the same thing about neutral drop with SRM on. Bullit, Chrislicks, M41mustang - I think this is EXACTLY what you guys are trying to explain. Take a look

http://www.youtube.com/watch?v=re85GwoQBLI
(sorry for the cheesy forum advertisement at the end . I usually get tons of questions in comments section so I explained everything on the video)

As you can see, if I move the shifter from 6th to Neutral, RPM goes up( just enough for 5th gear) and stays there until I pop it to 5th. BUT, if I move the shifter to the left (while staying in neutral), car thinks I want to downshift even further (3 or 4th gear) and REVS the RPM even more. This is a very normal behavior and as mentioned above almost ALL of the 370Z owners with SRM experience this (except modshack). Modshack, maybe this video will show you what we are trying to explain.

As for OP, sorry we kinda got a little off topic. PLEASE keep us posted on what they find out.
__________________
The370Z Signature Pictures ll Want to rock our forum decals on your car? Then click here! ll How to Embed YouTube Videos In a Post
STOP! (Hammertime) ll Become a Premium Member Click HERE ll F.A.Q.
Are You a Nissan Dealer? Click Here to Become A "Supporting Dealer" and Start Listing Your 370Zs In Our Inventory Section
My Monterey Blue Z ll My Exhaust --> My Intake --> G3
Nissan's Official Response Regarding Oil Temp Issue: CLICK HERE
Need a Set of Cheap Winter wheels /Tires? Then Visit The Banner Link Below and Place Your Order. You'll Help Keep The370Z Alive.
AK370Z is offline   Reply With Quote