Z storage and maintenance during Winter

mishuko · 10-21-2014, 09:58 AM

Quote:

Originally Posted by SouthArk370Z

If you disconnect the battery, the ECM will forget all the tuning data and go back to the factory defaults. It will take a while for the ECM to relearn. In earlier models, you will need to reset the windows and you may also lose radio presets. Not a big deal but battery tenders are pretty cheap.

yea i had to reset my windows, alarm beep, radio and clock this weekend after doing intakes... not a big deal. I might get a tender though since they are pretty damn cheap and my battery is getting on in age.

no tune yet... but that's also good to know that the tune may reset since i was considering it next year.

SouthArk370Z · 10-21-2014, 11:16 AM

Quote:

Originally Posted by mishuko

... no tune yet... but that's also good to know that the tune may reset since i was considering it next year.

I think a tune changes non-volatile memory settings and will survive a power off. You may want to verify that with some of the people that have had their cars tuned.

I was talking about the "run-time tuning" (or whatever Nissan calls it) that the ECM does which is stored in volatile memory.

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