How the 4A-GE ECU works

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How the 4A-GE ECU works

01-10-2006, 09:52 PM

Post: #1

JMR_AW11 Offline

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How the 4A-GE ECU works

Hi, just stumbled across this forum whilst browsing.

I see there is a lot of tech info on here.

just wondered if you guys would be interested in how the stock 4A-GE ECU works.

I wrote some articles on this a while back on the mk1 MR2 ECU which is quite similar to the AE86.

See
http://www.jmross.freeserve.co.uk/part2p1.html

and

http://www.jmross.freeserve.co.uk/part3p1.html

I've also dumped out the ROM from the UK AE86 ECUs and the program code and mapping is very similar even though the ECU internals are slightly different.

The same maps are present in tha AE86, but the mapping shows a few subtle differences.

Hope it is of interest!

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Messages In This Thread

How the 4A-GE ECU works - JMR_AW11 - 01-10-2006 09:52 PM

[] - alimonos - 01-10-2006, 10:31 PM

[] - firehawk - 01-10-2006, 10:53 PM

[] - banpei - 01-10-2006, 11:12 PM

[] - JMR_AW11 - 01-10-2006, 11:19 PM

[] - ZaX - 01-11-2006, 10:38 AM

[] - NoHachi - 01-11-2006, 10:50 AM

[] - dreja - 01-11-2006, 11:34 AM

[] - gon - 01-11-2006, 12:31 PM

[] - alimonos - 01-11-2006, 12:50 PM

[] - Ivan141 - 01-11-2006, 12:50 PM

[] - irishtwincam - 01-11-2006, 02:07 PM

[] - JMR_AW11 - 01-11-2006, 02:37 PM

[] - JMR_AW11 - 01-11-2006, 02:47 PM

[] - JMR_AW11 - 01-11-2006, 02:58 PM

[] - phatBob - 01-12-2006, 01:39 AM

[] - JMR_AW11 - 01-12-2006, 10:57 AM

[] - NoHachi - 01-12-2006, 11:13 AM

[] - firehawk - 01-12-2006, 12:12 PM

[] - JMR_AW11 - 01-12-2006, 02:34 PM

[] - dAYTONA - 01-12-2006, 06:51 PM

[] - Denmark - 01-12-2006, 11:55 PM

[] - JMR_AW11 - 01-13-2006, 01:02 AM

[] - JMR_AW11 - 01-13-2006, 01:10 AM

[] - alimonos - 01-13-2006, 10:38 AM

[] - JMR_AW11 - 01-13-2006, 10:52 AM

[] - firehawk - 01-13-2006, 01:24 PM

[] - JonT - 01-13-2006, 01:46 PM

[] - Denmark - 01-13-2006, 10:37 PM

[] - phatBob - 01-14-2006, 01:08 AM

[] - JMR_AW11 - 01-17-2006, 01:21 AM

[] - JMR_AW11 - 01-17-2006, 01:26 AM

[] - NoHachi - 01-17-2006, 01:37 AM

[] - JMR_AW11 - 01-17-2006, 03:04 PM

[] - Denmark - 01-17-2006, 04:23 PM

[] - alimonos - 01-18-2006, 02:19 AM

[] - phatBob - 01-19-2006, 01:20 AM

AE86 ECU software - irishtwincam - 01-19-2006, 04:23 PM

[] - El_Camino - 05-21-2006, 10:59 AM

[] - cannabolic - 05-26-2006, 09:50 AM

[] - np303 - 12-05-2006, 07:46 PM

[] - SuperHessu - 12-06-2006, 12:16 PM

[] - NoHachi - 12-06-2006, 12:58 PM

[] - SuperHessu - 12-06-2006, 01:35 PM

[] - banpei - 12-06-2006, 06:45 PM

[] - Ivan141 - 12-06-2006, 07:35 PM

[] - irishtwincam - 12-06-2006, 09:44 PM

[] - banpei - 12-07-2006, 10:43 AM

[] - alimonos - 12-07-2006, 11:02 AM

[] - Bad_Dog - 12-07-2006, 11:13 AM

[] - firehawk - 12-07-2006, 01:44 PM

[] - Bad_Dog - 12-07-2006, 02:20 PM

Greetings from the States - Red - 12-07-2006, 07:35 PM

Re: Greetings from the States - JMR_AW11 - 12-26-2006, 01:39 PM

[] - JMR_AW11 - 12-26-2006, 02:46 PM

[] - Harvey - 12-26-2006, 08:52 PM

[] - Red - 12-26-2006, 08:57 PM

[] - JMR_AW11 - 12-27-2006, 12:14 AM

[] - Red - 12-27-2006, 12:33 AM

[] - JMR_AW11 - 12-27-2006, 12:34 AM

[] - Harvey - 12-27-2006, 01:14 AM

[] - np303 - 02-25-2007, 05:43 AM

[] - domi - 02-25-2007, 06:46 AM

[] - firehawk - 02-25-2007, 09:13 PM

[] - domi - 02-25-2007, 10:31 PM

[] - jamiemirror - 02-25-2007, 11:07 PM

[] - firehawk - 02-26-2007, 09:47 AM

[] - domi - 02-26-2007, 11:16 AM

[] - JMR_AW11 - 02-28-2007, 09:32 PM

[] - domi - 03-03-2007, 09:10 AM

[] - Toyota T23 - 03-04-2007, 12:22 AM

[] - Toyota T23 - 03-09-2007, 01:50 AM

[] - JMR_AW11 - 03-09-2007, 08:43 PM

[] - Toyota T23 - 03-10-2007, 01:35 AM

[] - Red - 03-11-2007, 03:48 AM

Question About ECU - CHACAMAN - 03-26-2007, 01:43 PM

[] - domi - 03-27-2007, 07:48 AM

little black box - thanhngo - 07-26-2007, 03:41 PM

ECU - stefanj2k - 07-27-2008, 07:46 PM

[] - banpei - 07-27-2008, 10:56 PM

[] - stefanj2k - 07-30-2008, 09:29 PM

[] - XJS - 07-30-2008, 10:31 PM

[] - banpei - 07-31-2008, 11:58 AM

[] - stefanj2k - 08-15-2008, 05:05 PM

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