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  #1 (permalink)  
Old 02 Jan 2007, 02:29 pm
Dano58
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Default Transmission Activity

We're greatly enjoying our 2007 Odyssey EX. One thing I'm confused
about, however, is the transmission 'activity'.... By that I mean that
it seems to downshift when you take your foot off the gas and are
slowing down. This is confirmed by watching the tachometer tick upwards
as you feel the transmission downshifting. Since our last van was a '99
Windstar (I was happy when it would simply UPshift!) and my other car
is a 6-speed Audi A4, I guess I'm not used to the electronics in the
latest transmissions. Is this really the case - that the car
downshifts? Or is my transmission about to fall out!

Thanks.

Dan D
Central NJ USA
'07 Odyssey EX

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  #2 (permalink)  
Old 02 Jan 2007, 04:40 pm
Unquestionably Confused
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Default Re: Transmission Activity

Dano58, wrote the following at or about 1/2/2007 2:29 PM:
> We're greatly enjoying our 2007 Odyssey EX. One thing I'm confused
> about, however, is the transmission 'activity'.... By that I mean that
> it seems to downshift when you take your foot off the gas and are
> slowing down. This is confirmed by watching the tachometer tick upwards
> as you feel the transmission downshifting. Since our last van was a '99
> Windstar (I was happy when it would simply UPshift!) and my other car
> is a 6-speed Audi A4, I guess I'm not used to the electronics in the
> latest transmissions. Is this really the case - that the car
> downshifts? Or is my transmission about to fall out!


I noticed the same thing with my 2006 Accord EX. Read the owner's
manual, at least I think that's where I read it, and there was an
explanation that made sense to me. It DID take some getting used to
though. No doubt about it.

IIRC, the computer senses a number of things including braking, incline,
etc and decides whether to just let you coast or to downshift to provide
extra braking. Now, with 8,000 miles under my belt on the car, I rarely
notice it.
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  #3 (permalink)  
Old 02 Jan 2007, 05:14 pm
Joe LaVigne
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Default Re: Transmission Activity

On Tue, 02 Jan 2007 12:29:39 -0800, Dano58 wrote:

> We're greatly enjoying our 2007 Odyssey EX. One thing I'm confused
> about, however, is the transmission 'activity'.... By that I mean that
> it seems to downshift when you take your foot off the gas and are
> slowing down. This is confirmed by watching the tachometer tick upwards
> as you feel the transmission downshifting. Since our last van was a '99
> Windstar (I was happy when it would simply UPshift!) and my other car
> is a 6-speed Audi A4, I guess I'm not used to the electronics in the
> latest transmissions. Is this really the case - that the car
> downshifts? Or is my transmission about to fall out!


Yep, they downshift.

It is used to help your brakes last longer, and to help aggressive braking
stop faster.

This is a good thing.
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  #4 (permalink)  
Old 02 Jan 2007, 09:07 pm
Andy & Carol
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Default Re: Transmission Activity

It called "Logic Grade" , that is why you won't grind
up your rotors..read up on it.



"Dano58" <dan.dibiase@gmail.com> wrote in message
news:1167769779.359188.215930@v33g2000cwv.googlegr oups.com...
> We're greatly enjoying our 2007 Odyssey EX. One thing I'm confused
> about, however, is the transmission 'activity'.... By that I mean that
> it seems to downshift when you take your foot off the gas and are
> slowing down. This is confirmed by watching the tachometer tick upwards
> as you feel the transmission downshifting. Since our last van was a '99
> Windstar (I was happy when it would simply UPshift!) and my other car
> is a 6-speed Audi A4, I guess I'm not used to the electronics in the
> latest transmissions. Is this really the case - that the car
> downshifts? Or is my transmission about to fall out!
>
> Thanks.
>
> Dan D
> Central NJ USA
> '07 Odyssey EX
>



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  #5 (permalink)  
Old 02 Jan 2007, 11:56 pm
Gordon McGrew
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Default Re: Transmission Activity

On Wed, 03 Jan 2007 03:07:21 GMT, "Andy & Carol"
<aforn@worldnet.att.net> wrote:

>It called "Logic Grade" , that is why you won't grind
>up your rotors..read up on it.


I would think that it would hurt your gas mileage though. At least it
would if you are anticipating a stop and just want to coast until the
light changes. Is it possible that it waits for you to touch the
brake pedal before it downshifts? That would make more sense.

On the upside, completing the downshift earlier makes it ready to
accelerate on short notice. All-in-all, that is one reason why I
prefer manual transmissions. The AT will never have enough sensors
until they put in one that can read my mind.

>"Dano58" <dan.dibiase@gmail.com> wrote in message
>news:1167769779.359188.215930@v33g2000cwv.googleg roups.com...
>> We're greatly enjoying our 2007 Odyssey EX. One thing I'm confused
>> about, however, is the transmission 'activity'.... By that I mean that
>> it seems to downshift when you take your foot off the gas and are
>> slowing down. This is confirmed by watching the tachometer tick upwards
>> as you feel the transmission downshifting. Since our last van was a '99
>> Windstar (I was happy when it would simply UPshift!) and my other car
>> is a 6-speed Audi A4, I guess I'm not used to the electronics in the
>> latest transmissions. Is this really the case - that the car
>> downshifts? Or is my transmission about to fall out!
>>
>> Thanks.
>>
>> Dan D
>> Central NJ USA
>> '07 Odyssey EX
>>

>

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  #6 (permalink)  
Old 03 Jan 2007, 12:06 am
jim beam
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Default Re: Transmission Activity

Gordon McGrew wrote:
> On Wed, 03 Jan 2007 03:07:21 GMT, "Andy & Carol"
> <aforn@worldnet.att.net> wrote:
>
>> It called "Logic Grade" , that is why you won't grind
>> up your rotors..read up on it.

>
> I would think that it would hurt your gas mileage though. At least it
> would if you are anticipating a stop and just want to coast until the
> light changes. Is it possible that it waits for you to touch the
> brake pedal before it downshifts? That would make more sense.


which is precisely what it does do - it takes the signal from the brake
pedal switch.

>
> On the upside, completing the downshift earlier makes it ready to
> accelerate on short notice. All-in-all, that is one reason why I
> prefer manual transmissions. The AT will never have enough sensors
> until they put in one that can read my mind.


you haven't driven an automatic lately.

>
>> "Dano58" <dan.dibiase@gmail.com> wrote in message
>> news:1167769779.359188.215930@v33g2000cwv.googlegr oups.com...
>>> We're greatly enjoying our 2007 Odyssey EX. One thing I'm confused
>>> about, however, is the transmission 'activity'.... By that I mean that
>>> it seems to downshift when you take your foot off the gas and are
>>> slowing down. This is confirmed by watching the tachometer tick upwards
>>> as you feel the transmission downshifting. Since our last van was a '99
>>> Windstar (I was happy when it would simply UPshift!) and my other car
>>> is a 6-speed Audi A4, I guess I'm not used to the electronics in the
>>> latest transmissions. Is this really the case - that the car
>>> downshifts? Or is my transmission about to fall out!
>>>
>>> Thanks.
>>>
>>> Dan D
>>> Central NJ USA
>>> '07 Odyssey EX
>>>

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  #7 (permalink)  
Old 03 Jan 2007, 07:55 am
Tegger
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Default Re: Transmission Activity

"Dano58" <dan.dibiase@gmail.com> wrote in news:1167769779.359188.215930
@v33g2000cwv.googlegroups.com:

> We're greatly enjoying our 2007 Odyssey EX. One thing I'm confused
> about, however, is the transmission 'activity'.... By that I mean that
> it seems to downshift when you take your foot off the gas and are
> slowing down. This is confirmed by watching the tachometer tick upwards
> as you feel the transmission downshifting. Since our last van was a '99
> Windstar (I was happy when it would simply UPshift!) and my other car
> is a 6-speed Audi A4, I guess I'm not used to the electronics in the
> latest transmissions. Is this really the case - that the car
> downshifts? Or is my transmission about to fall out!
>




Your tranny is fine.

The extremely sophisticated electronics installed these days have
considerable control over shift behavior. In addition, the transmission
will actually "learn" your driving style and adjust its behavior for that.

Some people find newer transmissions' behavior disconcerting when compared
to older designs.

The very best thing you can do for your transmission is to change the fluid
precisely according to the maintenance schedule, and to ONLY ever use Honda
genuine ATF-Z1 fluid. If you want to change the fluid MORE often, that's
even better.


--
Tegger

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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  #8 (permalink)  
Old 04 Jan 2007, 07:58 am
Dano58
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Posts: n/a
Default Re: Transmission Activity

Thanls for all of the responses. I figured it was a function of these
intelligent transmissions. Of course, I could read the manual but every
time I think about it, the car isn't actually here....!

Dan D
'07 Odyssey EX
Central NJ USA

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  #9 (permalink)  
Old 04 Jan 2007, 07:58 am
Dano58
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Posts: n/a
Default Re: Transmission Activity

Thanks for all of the responses. I figured it was a function of these
intelligent transmissions. Of course, I could read the manual but every
time I think about it, the car isn't actually here....!

Dan D
'07 Odyssey EX
Central NJ USA

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  #10 (permalink)  
Old 04 Jan 2007, 10:07 pm
JXStern
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Posts: n/a
Default Re: Transmission Activity

On Wed, 3 Jan 2007 13:55:43 +0000 (UTC), Tegger <tegger@tegger.c0m>
wrote:

>The extremely sophisticated electronics installed these days have
>considerable control over shift behavior. In addition, the transmission
>will actually "learn" your driving style and adjust its behavior for that.
>
>Some people find newer transmissions' behavior disconcerting when compared
>to older designs.


I wish they would supply a flow chart or other documentation.

J.


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