[dimer0]

Mentioned this briefly in another thread, but I thought I'd try to give it it's own.

Yesterday was at Autocross test & tune -- and during my first run, I hear some dinging (normal chimes, etc) - and when I get done with the run I notice "Active Handling Warming Up" on the DIC, and the Active Handling OFF icon (or whatever you call this) on the gauge cluster..

I got done with my run, and let it idle for about 5-10 minutes. It didn't go off. I then turned off the car, and when I turned it back on (next run - about 3 minutes later), the problem didn't reappear.

Today, the real autocross, and on my first run -- same thing happened.

Is this a problem with me firing up the car, driving slowly to the staging area (200 ft ~), and then hitting the slaloms so quickly?

I did look in the owners manual, and it said that this is normal during the winter. It was about 90 out yesterday, lower 80s today.. Only thing I can guess is it needs some non-idle/greater-than-5mph calibration before it can fully kick in..

 

[fcalmes]

I tried sending c4c5specialist a message when I read your earlier post...hopefully he will step in soon and be able to help you. /phpBB/images/smiles/icon_smile.gif

 

[Ranger]

Here is a quote from my clipping file from the other Forum answering your question.

"The Active Handling Warming Up message comes on under 2 'normal' conditions.
Usually, it will be because it is cold out and the IAT is reading below 15F.

Another reason you might see this message is because you had your wheels turned when you started driving. The steering position sensor needs to calibrate itself by going straight for a brief period of time during the first 30 seconds of driving. Autocrossers commonly see this when they start their engines at the line and the course immediately goes into a turn.

If neither of these are true, then check the IAT connection. A loose wire will give a false reading and cause the message. If these don't fix it, then check the codes. It may be a bad sensor or other loose wiring."
*****************************************

The bottom line seems to be that, in general, this is nothing to worry about unless (I suppose) the message STAYS ON or (maybe) starts happening TOO frequently.

C-5 TECH
Senior Member"

 

[ZO6Bill]

I get the DIC msg "active handling warming up" every now and again. I've noticed that the way I park some times the wheels are turned and on other times the wheels are straight and I've gotten the msg either way?? I will drive as much as a mile or so befor the msg clears, and thats during our HOT Texas days??? Bill

 

[GODSGFT]

I also got this same message when I first picked up my car from the museum and was driving back to Minnesota. Mine went further and the Service Active Handling Soon light started coming on. I took it to the dealer and they had to do some reprogramming on it and it has been fine since. The service soon and the warming up has not come back on since.

 

[c4c5specialist]

Hi there,
Also, consider this, if you drive straight, after just starting the vehicle, and then immediately thread the needle through the cones, this could set, as the steering wheel position sensor cannot correlate the straight ahead reading, and align the marks.
Not to worry, as long as it doesnt happen while you are normally driving, and if it does, it goes off after 15 mins of driving time.
Best to you, c4c5

 

[fcalmes]

On 2001-07-16 20:05, c4c5specialist spewed forth this drivel:
Also, consider this, if you drive straight, after just starting the vehicle, and then immediately thread the needle through the cones, this could set, as the steering wheel position sensor cannot correlate the straight ahead reading, and align the marks.

Every once in awhile I get the message...your explanation describes exactly what happens to me.

After starting the car, every day I go straight for about a block, then I make a series of twisty turns and the "Active Handling Is Warming Up" will be displayed. It happens in the exact same spot of the street every time!!

Thanks for the explanation c4c5!! I was wondering WTF was going on!! /phpBB/images/smiles/icon_confused.gif

 

[dimer0]

Thanks c4c5!!! This forum rocks.

 

[BLEUBYU]

C4C5SPECIALIST, guess I am still a bit confused/concerned about the active handling warming up situation. Since I intend to compete in some events with the car, I would like to more clearly understand what needs to be done to avoid an extended warm-up scenario. You mentioned it could take up to 15 minutes? Frank mentioned that it occurs after he has been driving a while? It appears that happens to some folks but not others.

Is there any change to this programming for the '02s? If not, what is the best way to quickly get through this "warm-up"?

Thanks...

 

[Gordy M]

BLUEBYU

If you are going to do any autocrossing, I would suggest that you learn to run with the active handling off. It will slow you down. When you first start autoctrossing, it can be a help. When you take off, and start going through the course, it will " learn" your driving style in the Warming up cycle and then make corrections to help maintain control. What you would notice is the brake, yaw, or engine changes in a turn to compensate for your driving style.

If you are fairly new to autocrossing, keep it on for a few events and then start taking your third and fourth runs with it off. A word of caution, you can start to depend on the AH and overdrive the course and still have a respectable time. However, when you turn it off for the first several times, you can get a little bit wild. Remember, "slow is fast" when it comes to autocrossing

 

[dimer0]

You don't have to worry about running with it off for 3rd and 4th runs, really.. Just go out there, and start your first run with it on.. About 3 seconds into your run the system will shut down anyways.. /phpBB/images/smiles/icon_smile.gif

 

[VetteSpace]

Yep, noticed this for the very first time this past weekend while running on the Nashville Superspeedway road course between runs when moving to the staging area for the next run. I then shut everything off when heading out on the course. /phpBB/images/smiles/icon_smile.gif

 

[c4c5specialist]

HI there,
Well, the description as it states is "steering wheel position sensors A and B will attempt to see what is straight line driving, meaning, that the steering wheel is not moving more than 5degrees left of right of center line. This is interpreted by the ABS/TCS module as driving straight ahead."
Now, consider this, if the rest of the ABS system is running its diagnostic routine, it may not immediately get to the steering wheel correlation routine for up to 500 cycles, so it could set down the line, or right away, depending on your particular habits.
What I would recommend is not to worry, and simply just do your run.
Remember that it will be looking for straight line driving, and if that is not achieved, will set this message. What I would say, if you really dont like the message, is to drive somewhere straight, until the message goes out.
I know that leaving the car running would be a pain, so this would be my only suggestion.
BEst to you, c4c5

 

[Al_Cruz]

I got over 3k on the car now. Yesterday for the first time I got this message, went out in a shorter time than others have seen. Nice to see a detailed explanation of what the computer though was happening.

The coolest thing about this web site is the ability for search past threads. Whenever you see c4c5spec has responded, you know you are getting some good "skinny".

This was latest thread on this topic, so I figure I would post some comments, thus causing it to be "restarted" so all our new members would see it.

 

[Cvette2002z06]

have never seen this message,have 4400 miles on the car

 

[02ZO6]

I have 700 miles, the message came up once going out of my driveway. Since then , nothing.

 

[Cvette2002z06]

Funny how life works.....you say "never" one time and voila.After I made my earlier reply,got in the Beast to do some errands and lo and behold......."charging fault" comes across the DIC after I started the car.It went out after about 5 secs.WTF does that mean?Anyone? Never say never:roll:

 

[02ZO6]

Charging fault should be battery\Alt voltage. what caused it ???