Do you always turn off trac control?
05-16-01, 04:32 PM
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Do you guys ever leave trac on? I cant stand it. I NEVER drive with it on unless the roads are wet.. and even then I dont always use it. The first thing I do when I start the car is turn trac off... im gonna make it so it defaults to off when i start. I drive my car hard and it is impossible to drive it real hard with trac on! It is also scary if your turning out into traffic... try to get on it and you loss most of your throttle! Its way more fun to drive with it off too!
05-17-01, 08:39 PM
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Today I was playing with my afc and was curious how much the throttle would cut back when trac control is engaged. I floored my car while taking a right turn to ensure breaking my tires loose. it went from 100% throttle all the way down to about 20% throttle and then gradually came back to 100%.
When you are in snow mode when you floor your car it will only go to 65% throttle
When you are in snow mode when you floor your car it will only go to 65% throttle
05-20-01, 10:58 PM
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that is only because you guys are crazy....jus kidding,,,,actually on the way back from the meet in carson i was forced to race the two guys in civics ...with the trac on and i liked it because when i changed lanes ( emergency Lane) i almost lost it and the trac can i effect and i was able to gain control and smoke the civics....+)
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05-21-01, 11:34 AM
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I agree with you that the IS300's traction control just plain stops you dead. This is the first car I've owned with traction control, but I have given driving instruction at the race track in a few. My impression is that the IS300's traction control is much more conservative than that used by 3-series cars and especially that in the Acura NSX. These cars tend to exhibit a little nudge to keep a sloppy racing line from turning into an exercise in agricultural engineering, but they don't haul down the corning speeds so drastically as Lexus's profile. I still recommend to my students that they turn off traction control when learning to drive at the track, even if they want to leave it on in unpredictable road conditions.
05-22-01, 01:06 AM
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The replacement TRAC ECU is less conservative, and according to the technician that did my car, told me that there were two issues that were addressed:
1. TRAC is less aggresive in sensing traction loss. I can confirm this, being that it takes a bit more aggresion w/the throttle to get the TRAC icon going.
2. TRAC is quicker to disengage, which probably means that less speed is scrubbed per activation of TRAC.
Even though I've been in the 100% TRAC-off camp (rain or shine) for awhile, I think the new calibrations have instilled enough confidence for me to leave it on in low-predictability situations, such as traveling on an unfamiliar road in inclement conditions.
1. TRAC is less aggresive in sensing traction loss. I can confirm this, being that it takes a bit more aggresion w/the throttle to get the TRAC icon going.
2. TRAC is quicker to disengage, which probably means that less speed is scrubbed per activation of TRAC.
Even though I've been in the 100% TRAC-off camp (rain or shine) for awhile, I think the new calibrations have instilled enough confidence for me to leave it on in low-predictability situations, such as traveling on an unfamiliar road in inclement conditions.
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