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Old 10-04-2014, 02:05 PM
 
6,205 posts, read 7,460,466 times
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My question is why Toyota would continue pumping out new vehicles with such a catastrophic problem? Does it make sense for any manufacturer to do so, if they are aware of it?
Someone wrote they are doing it to protect their bottom line. How? If anything, the opposite is true.
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Old 10-04-2014, 02:20 PM
 
4,329 posts, read 7,237,536 times
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Quote:
Originally Posted by oberon_1 View Post
My question is why Toyota would continue pumping out new vehicles with such a catastrophic problem? Does it make sense for any manufacturer to do so, if they are aware of it?
The allegations involve 2006-2010 model year Corollas, so it doesn't do much good to stop selling new models, if they, along with the last four model years, aren't involved.

The NHTSA hasn't completed their investigation, so there is no recall, as of yet.
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Old 10-04-2014, 04:07 PM
 
6 posts, read 4,319 times
Reputation: 10
Friday, October 3, 2014

A Case Study of Toyota Unintended Acceleration and Software Safety

Oct 3, 2014: updated with video of the lecture

Better Embedded System SW: A Case Study of Toyota Unintended Acceleration and Software Safety
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Old 10-04-2014, 04:13 PM
 
6 posts, read 4,319 times
Reputation: 10
ToyotaTruth: Videos 1 - 6
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ToyotaTruth: Video 6 of 6

ToyotaTruth: Video 6 of 6 - YouTube
(9:58 min video)
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ToyotaTruth: Video 5 of 6

ToyotaTruth: Video 5 of 6 - YouTube
(9:24 min video)
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ToyotaTruth: Video 4 of 6

ToyotaTruth: Video 4 of 6 - YouTube
(9:57 min video)
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ToyotaTruth: Video 3 of 6

ToyotaTruth: Video 3 of 6 - YouTube
(08:20 min video)
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ToyotaTruth: Video 2 of 6

ToyotaTruth: Video 2 of 6 - YouTube
(9:58 min video)
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ToyotaTruth: Video 1 of 6

ToyotaTruth: Video 1 or 6 - YouTube
(9:36 min video)
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Old 10-04-2014, 06:37 PM
 
6,205 posts, read 7,460,466 times
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Quote:
Originally Posted by ged_782 View Post
The allegations involve 2006-2010 model year Corollas, so it doesn't do much good to stop selling new models, if they, along with the last four model years, aren't involved.

The NHTSA hasn't completed their investigation, so there is no recall, as of yet.
As far as I know, people accuse them that it happens in other models, trucks (Tacoma) and sedans included, not just Corollas.
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Old 10-04-2014, 08:43 PM
 
4,329 posts, read 7,237,536 times
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Quote:
Originally Posted by oberon_1 View Post
As far as I know, people accuse them that it happens in other models, trucks (Tacoma) and sedans included, not just Corollas.
The Tacoma, along with other Toyota and Lexus models, were involved in a recall campaign a few years ago to examine floor mats for proper sizing & installation, and replace accelerator pedals with a smaller one, that would be less likely to get hung up on a floor mat.

The petition that was made to the NHTSA to investigate sudden acceleration complaints in Toyota vehicles that was mentioned in the OP's post, only applies to 2006-2010 Corollas.
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Old 10-04-2014, 09:07 PM
 
284 posts, read 492,289 times
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Quote:
Originally Posted by wamer27 View Post
San Diego Source > Commentary > Software bugs found to be cause of Toyota acceleration death

"But a significant event occurred last week in an Oklahoma courtroom that may be a turning point. In the case of Bookout v. Toyota, Toyota was found guilty of a UA death, based on testimony from software experts who had earlier been provided access to Toyota’s software code used to control the electronic throttle."

"The accident in question occurred in a 2005 Camry in September 2007, which killed one person and injured another. Among the evidence was skid marks, showing the driver had applied her brakes, but the braking was insufficient to keep the car from accelerating.
Toyota quickly reached a settlement after the $3 million verdict to avoid punitive damages."
There were skid marks?
Did the car not have ABS brakes? If the brakes could lock the wheels and cause skid marks then the car would slow down. How can this braking be "insufficient to keep the car from accelerating"?

To suggest the brakes were not powerful enough to overcome the power of the engine is nonsense- the average car will stop from 60mph in about 140ft, or 3 seconds, but will take 6-9 seconds to accelerate from a standing start to 60mph, and require about 400-600 feet. Therefor the brakes are more powerful than the engine.
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Old 10-04-2014, 09:22 PM
 
39 posts, read 70,329 times
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Quote:
Originally Posted by Geezerrunner View Post
There were skid marks?
Did the car not have ABS brakes? If the brakes could lock the wheels and cause skid marks then the car would slow down. How can this braking be "insufficient to keep the car from accelerating"?

To suggest the brakes were not powerful enough to overcome the power of the engine is nonsense- the average car will stop from 60mph in about 140ft, or 3 seconds, but will take 6-9 seconds to accelerate from a standing start to 60mph, and require about 400-600 feet. Therefor the brakes are more powerful than the engine.
Exactly.

The driver could have produced the skid marks by braking hard (ABS brakes will produce skid marks), and when the ABS produced the pulsation in the pedal, the driver released foot pressure and then reapplied - "pumping" the brakes, which would result in loss of brake boost after a few times.

I was surprised to discover that my wife - in her 40s - still thought panic braking should involve pumping to avoid locking the wheels. We've had cars with ABS since 2000 and it came up in a discussion a few years ago when the Toyota unintended acceleration stories were prominent in the news. After all, how many times in one's life does a driver have to engage in true panic braking? A person could go years without encountering such a situation, and if it arises, they don't have the knowledge, training, or experience to do the right thing.
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Old 10-04-2014, 11:27 PM
 
18,069 posts, read 18,818,113 times
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Quote:
Originally Posted by MrWillys View Post
Guilty, but a comment summed it up perfectly;

"...Showing that something could happen is of course not the same thing as proving that it actually did..."

The jury found guilty, but based off of what could have happened, it was not proven that this was what happened.
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Old 10-07-2014, 05:09 AM
 
Location: Cold Springs, NV
4,625 posts, read 12,295,255 times
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Quote:
Originally Posted by boxus View Post
Guilty, but a comment summed it up perfectly;

"...Showing that something could happen is of course not the same thing as proving that it actually did..."

The jury found guilty, but based off of what could have happened, it was not proven that this was what happened.
Maybe the families of the dead could answer this question best?
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