IS F (2008-2014) Discussion topics related to the IS F model

Downshifting in M Mode with Sport Enabled

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Old 02-17-12, 06:28 PM
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ISF001
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Default Downshifting in M Mode with Sport Enabled

Will the F always accept the downshift in the M mode with sport enabled?

I have noticed that in the Sport mode alone, it sometimes will refuse the downshift.

As someone new to the F, I would appreciate some guidance here.
Old 02-17-12, 06:34 PM
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MisterSkiz
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It will only refuse to shift in Manual mode if you are requesting a gear too low for the current speed, or if the auto trans fluid is not up to a certain temperature (as far as I know).

Also, if you leave the car in manual mode, it will downshift for you as you slow down.

What exactly are you experiencing?
Old 02-17-12, 06:37 PM
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LexusNN
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Im pretty sure. Like MisterSkiz said, it will only refuse it if its too low so that it doesnt blow your tranny and you dont get that major jolt.
Old 02-17-12, 06:52 PM
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ISF001
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Originally Posted by MisterSkiz
It will only refuse to shift in Manual mode if you are requesting a gear too low for the current speed, or if the auto trans fluid is not up to a certain temperature (as far as I know).

Also, if you leave the car in manual mode, it will downshift for you as you slow down.

What exactly are you experiencing?
I just found the ISF Shift Thread. It appears that I simply need to take my foot off the accelerator to get the rev matched downshift in the M mode with Sport enabled. Is there a difference in downshifting if the VDIM is disabled?

You can see that I clearly do not have much experience with the F's shifting capabilities and methods.
Old 02-17-12, 08:32 PM
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James7
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unless the '12's are that much better, the foot of the accelerator accompanied with a flick of the paddle will do a rev matched downshift... i think just letting off the accelerator causing a downshift would be bad in some cases...
Old 02-18-12, 10:28 AM
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wsMB
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Originally Posted by ISF001
I just found the ISF Shift Thread. It appears that I simply need to take my foot off the accelerator to get the rev matched downshift in the M mode with Sport enabled. Is there a difference in downshifting if the VDIM is disabled?

You can see that I clearly do not have much experience with the F's shifting capabilities and methods.
can you put up the link to that thread? thanks in advance.
Old 02-18-12, 10:07 PM
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avgj0F
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What were the speed and gear you want to down shift to?
Old 02-19-12, 06:06 AM
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ISF001
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I took the F out on an open stretch where I could hit 120 and test the rev-matched downshifts in the M mode with sport enabled. It worked beautifully--a very exhilarating experience--and addictive as well.

It was clearly my lack of knowledge. It blipped with every downshift and upshifted with lightning speed.

It's a ride.
Old 02-19-12, 06:13 AM
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ISF001
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The ISF Shift Speed link is:

http://www.clublexus.com/forums/is-f...t-speed-2.html
Old 02-19-12, 03:15 PM
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LiLS
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Originally Posted by ISF001
I took the F out on an open stretch where I could hit 120 and test the rev-matched downshifts in the M mode with sport enabled. It worked beautifully--a very exhilarating experience--and addictive as well.

It was clearly my lack of knowledge. It blipped with every downshift and upshifted with lightning speed.

It's a ride.
so u did what u said in this thread earlier
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