[urq] Toyota should be talking to Audi....NAC

john at westcoastgarage.net john at westcoastgarage.net
Fri Feb 26 08:58:56 PST 2010


Ti Kan wrote:
> Grant Lenahan writes:
>   
>> Dan DiBiase wrote:
>>     
>>> The problem is that people don't know how to handle this situation. It's fine to say that the brakes will overcome the engine,
>>> but you probably only have one shot at it, and need to slam them on all the way immediately. Most folks don't know that and
>>> probably just panic.
>>>
>>> It's all just another good reason to drive a stick!
>>>       
>> is your one-shot comment due to a lack of vacuum reserve at WOT?
>>     
>
> No, I think it's more a problem with brake fade -- if the driver
> rides on the brakes without full force.  It would be better to
> just stomp on it and try to get the car to stop asap (let the
> ABS deal with any potential wheel lockup).
>
> One thing that bother me, though.  Is that Toyota has issued
> recalls and has "fixes" for the supposed problem, but no
> Lexus models are covered under any such recalls.  Yet many of the
> UA reports are with Lexus (such as with the infamous CHP officer).
> The recalls shortens the accelerator pedal (to avoid a
> floormat jam) and adds a shim (to avoid a possible stuck pedal),
> but no ECU reprogramming.
>
> It is my understanding from the reports that Toyota's drive-by-wire
> system does not override the accelerator when the brake is applied.
> VAG cars do, I believe, and probably most others...  so this
> would be a software issue, but Toyota has not (yet) admitted to
> an any software problem with regard to the UA issue.  This
> is not to be confused with the separate Prius recall which _is_
> software related.
>
> Whatever the real problem is, it's like peeling an onion and
> I am sure we haven't heard the last of it yet.
>
> -Ti
>
>
> A columnist writing this week in Autoweek reports that Toyota has been implementing a brake override system on the production line since January of this year.  So much for their claims software isn't the problem......................

John



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