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Drive By Wire #366702 Jan 6, 6:46am Jan 6, 6:46am

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Drive By Wire
I understand that 03 and up Celica GTS models are equipped with a drive by wire system for throttle (eliminating the need for a throttle cable). Are any other systems controlled by DBW, such as braking? Also, what is the reliability of such a system versus traditional methods of function control?

Re: Drive By Wire #366703 Jan 6, 6:58am Jan 6, 6:58am
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Not sure but I did hear that it's not that good when trying to add high performance items. So I will be going with just probably a TPR or TRD Intake and exhaust. You will get an answer here quick by others tho thumbsup


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Re: Drive By Wire [Re: iggy] #366704 Jan 6, 12:01pm Jan 6, 12:01pm
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looks like you were wrong about those quick responses, iggy. the DBW requires a different throttle body, i believe, which is not very receptive to forced induction add ons


-Combatc87- / -SgT._BiLkO-
Re: Drive By Wire [Re: combatc87] #366705 Jan 6, 3:18pm Jan 6, 3:18pm
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the 2003 DBW is for the throttle. Instead of a physical cable attaching to your throttle body, an electric signal is sent to a control module housed on the throttle body.

as far as reliabilty goes, I would prefer the cable since all electrical parts could have glitches or problems at somepoint where as a cable is mechanical and is just always there.

also becuase the ecu is controlling the throttle no aftermarket systems are available and it also makes things like goin turbo very complicated. Unless they switch to an earlier style, the 2003-2005 celicas will always be stuck to simple bolt ons or nitrous for power.


Best 60' 1.959 best 1/4 - 13.7 @ 101mph
Re: Drive By Wire [Re: Lucky_317] #366706 Jan 7, 11:37am Jan 7, 11:37am
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Why is it that going Turbo is a problem on DBW cars?

Re: Drive By Wire [Re: GTS_Rosh] #366707 Jan 7, 2:21pm Jan 7, 2:21pm
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because you are forcing air in so the cpu might want to shut it down early and throw a cel light on


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Re: Drive By Wire [Re: calidrifter] #366708 Jan 7, 3:20pm Jan 7, 3:20pm
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so its looking like 2001 celicas were the best year


respect the gt-s
Re: Drive By Wire [Re: celicadragon] #366709 Jan 7, 5:37pm Jan 7, 5:37pm
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at least as far as the GTS is concerned, but i'm not sure if the GT got DBW or not.


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Re: Drive By Wire [Re: calidrifter] #366710 Jan 7, 5:44pm Jan 7, 5:44pm
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GT never got the DBW.

Originally Posted by calidrifter
because you are forcing air in so the cpu might want to shut it down early and throw a cel light on


um nooooo, There isn't any very good tuning options available. I know SF has a kit out for the 2003 but it doesnt make enough power yet. you cant use a power fc and nothing else works too good.


So, yes you can turbo a 2003, we have one on our team. You just wont make as much power as a 2000-2002 model. thumbsup


Best 60' 1.959 best 1/4 - 13.7 @ 101mph
Re: Drive By Wire [Re: Lucky_317] #366711 Jan 8, 12:04pm Jan 8, 12:04pm
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Originally Posted by Lucky_317

So, yes you can turbo a 2003, we have one on our team. You just wont make as much power as a 2000-2002 model. thumbsup


Man that sucks! angry, damn Toyota.

Re: Drive By Wire #366712 Jan 8, 11:39pm Jan 8, 11:39pm
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What is a DBW and what does it effect us?


In the future you don't spank the monkey, the monkey spanks you!
Re: Drive By Wire [Re: crespo_h69] #366713 Jan 8, 11:45pm Jan 8, 11:45pm
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DBW = Drive By Wire

your throttle is controlled electronically instead of the traditional throttle cable.


Best 60' 1.959 best 1/4 - 13.7 @ 101mph
Re: Drive By Wire [Re: Lucky_317] #366714 Jan 8, 11:55pm Jan 8, 11:55pm
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Originally Posted by Lucky_317
DBW = Drive By Wire

your throttle is controlled electronically instead of the traditional throttle cable.



wtf...soooo?? Sorry, does this mean that if the wire has no power going to it, you can't drive it? Like the digital display instead of analog display on our HUD's?


In the future you don't spank the monkey, the monkey spanks you!
Re: Drive By Wire [Re: crespo_h69] #366715 Jan 9, 12:28am Jan 9, 12:28am
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^ no, the above posts explain it. But basically your throtle position isn't controled by a cable but is "sensed" by electrical signals. Without the throttle cable everything is done with the ECU of the car. So you can't swap out the ECU with something like the Power FC because, viola, your car won't run. As a result it's hard to properly tune the car to maximize a mod like a turbo or supercharger because you don't have much recourse for fuel to air tinkering and such.

Re: Drive By Wire [Re: crespo_h69] #366716 Jan 9, 6:45am Jan 9, 6:45am
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Originally Posted by crespo_h69
wtf...soooo?? Sorry, does this mean that if the wire has no power going to it, you can't drive it? Like the digital display instead of analog display on our HUD's?


Uh, last I checked, Your car wouldnt start without power even if it was a rolls royce.

without power you wont be going no where DBW or not so I wouldnt worry yourself too much about that rofl rofl


Best 60' 1.959 best 1/4 - 13.7 @ 101mph
Re: Drive By Wire [Re: Lucky_317] #366717 Jan 9, 3:00pm Jan 9, 3:00pm
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Originally Posted by Lucky_317
Originally Posted by crespo_h69
wtf...soooo?? Sorry, does this mean that if the wire has no power going to it, you can't drive it? Like the digital display instead of analog display on our HUD's?


Uh, last I checked, Your car wouldnt start without power even if it was a rolls royce.

without power you wont be going no where DBW or not so I wouldnt worry yourself too much about that rofl rofl



sorry, meant that if it somehow (is it possible?) for it to have a circuit short out (like the HUD can) would it stop the car from working at all.


In the future you don't spank the monkey, the monkey spanks you!
Re: Drive By Wire [Re: crespo_h69] #366718 Jan 9, 9:00pm Jan 9, 9:00pm
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Almost all the German cars have drive-by-wire now, and you can get Force Induction upgrades on those easily...so we just gotta wait a bit longer I guess before we can run our DBW Celicas on boost with no problems. smile Just have to wait until one of the big players in the aftermarket world lands a 2003 project car.

Re: Drive By Wire [Re: GTS_Rosh] #366719 Jan 9, 9:19pm Jan 9, 9:19pm
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^^^ yes you are right about most Bavarian cars running DBW and have options for FI.
Toyota and the Celica is a different story.
The aftermarket for our cars has landed and staked their claim and DBW seems to be a bit of a nuisance for most of them.

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