Subject	I'm not saying that.
Posted by	DVDBURN (MD) on July 03, 2016 at 2:21 PM
	This message has been viewed 394 times.
In Reply To	CFM Table? posted by zromtech on July 03, 2016 at 09:49 AM
Message	All I'm trying to explain is how the ECU determines where to be on the map. When the ECU sees the MAF voltage it needs to know where to put it. There aren't enough points for every voltage. The tables would be ridiculously large. The ECU does interpolation to figure out where to put it. Yes, there is a register bank, 0 to 255 locations, that when converted equals all the CFM values that can be calculated to using the VQ table/scale. I would tell you but I don't know the start and stop locations off the top of my head, sorry. www.mytwinturbo.com Nissan Data Voice - The first Nissan diagnostic software with a voice! Nissan Data Voice on YouTube Download my Nissan 300ZX Vin/Model Lookup.
Follow Ups	selin dual maf and apexi neo? - scarlet 23:11:06 06/28/16 You could but the Neo can do the same thing the Selin does. - Bernie (NoVA) 23:41:17 06/28/16 Couldn't I get the same results? - scarlet 00:14:26 06/29/16 Yes but it's a waste of money & adds layers of failure point (n/m) - Bernie (NoVA) 07:34:01 06/29/16 Re: Yes but it's a waste of money & adds layers of failure point - scarlet 13:36:27 06/29/16 This is the worst possible way to tune. Modifying the air - MixManMash 14:57:41 06/29/16 Additionally, if it's running "rich," have you checked for - MixManMash 14:58:51 06/29/16 Why would you do that? There is absolutely no sane reason - MixManMash 08:13:35 06/29/16 Ive always been curious about that... - -Grimm- 09:55:09 06/29/16 well.. - Antihero 13:40:25 06/29/16 Exactly. The MAF sensor is non-linear. (n/m) - MixManMash 14:53:57 06/29/16 Re: Exactly. The MAF sensor is non-linear. - scarlet 15:15:15 06/29/16 Ouch! Sounds like you have bigger problems. (n/m) - MixManMash 16:09:32 06/29/16 Re: Exactly. The MAF sensor is non-linear. - scarlet 15:30:45 06/29/16 Anyone ever take one apart? - -Grimm- 19:13:41 06/29/16 if it's still in the box, sell the neo and get nistune. - Antihero 23:50:40 06/28/16 This - BlackholeZ 13:16:11 06/29/16 Agreed, but an off-the-shelf chip is not the same as a - MixManMash 14:58:16 06/29/16 Very true - BlackholeZ 02:54:48 06/30/16 ======Answers... - DVDBURN (MD) 01:40:56 07/01/16 The ECU interpolates MAF VQ table values - zromtech 13:53:19 07/01/16 In my experience it doesn't switch to the next table... - DVDBURN (MD) 15:50:56 07/01/16 To add...the interpolation is used to tell where in the... - DVDBURN (MD) 16:04:35 07/01/16 To try to make this even more simple... - DVDBURN (MD) 11:38:38 07/02/16 Re: To try to make this even more simple... - zromtech 12:19:33 07/02/16 but interpolation happens after the table lookup - zromtech 12:12:21 07/02/16 I'm talking about how the ECU knows how to place the MAF... - DVDBURN (MD) 19:26:25 07/02/16 CFM Table? - zromtech 09:49:05 07/03/16 I'm not saying that. - DVDBURN (MD) 14:21:22 07/03/16 Re: I'm not saying that. - zromtech 18:33:16 07/03/16
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