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need Evo 9 owner to test rear O2 *heater* sim patch

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Old Oct 3, 2009 | 12:43 AM
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  #286  
SeanV's Avatar
SeanV
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From: South Africa
Excellent work MrFred and Acamus.

Work liked a charm on my Evo using 95630006/96530706.

I used this patch over here and it worked perfectly.

Any chance of getting the same thing for the 88840016 Rom for a EDM Evo9.
Over here in South Africa, we don't have worry about emission testing/readiness codes etc.

Thx again..
Last edited by SeanV; Oct 5, 2009 at 12:09 PM.
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Old Oct 5, 2009 | 11:06 AM
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rdtech
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anything for the 96420011? Just curious. I would like to test it out.
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Old Oct 11, 2009 | 08:54 AM
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  #288  
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Monochrome
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Originally Posted by acamus
Thanks logic, you have just opened my eyes

Thinking it over again, I believe we do not even have to patch any rom for heater CEL we just need a definition like one below.
96940011
Code:
	<table name="Heater CEL" category="Rear O2" address="2E6AC" type="2D" level="2" scaling="blobbits">
		<table name="Bit values" type="Static Y Axis" flipy="true" elements="8">
			<data>N/A</data>
			<data>N/A</data>
			<data>N/A</data>
			<data>N/A</data>
			<data>Rear O2 Heater CEL Enable</data>
			<data>N/A</data>
			<data>N/A</data>
			<data>N/A</data>
		</table>
	</table>
or
88590015
Code:
	<table name="Heater CEL" category="Rear O2" address="2DAFB" type="2D" level="2" scaling="blobbits">
		<table name="Bit values" type="Static Y Axis" flipy="true" elements="8">
			<data>N/A</data>
			<data>N/A</data>
			<data>N/A</data>
			<data>N/A</data>
			<data>Rear O2 Heater CEL Enable</data>
			<data>N/A</data>
			<data>N/A</data>
			<data>N/A</data>
		</table>
	</table>
mrfred, can you add them to the EcuFlash release?
Hey man, can you pretty plz write this for 96530006?
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Old Oct 11, 2009 | 09:32 AM
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donour
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Originally Posted by Monochrome
Hey man, can you pretty plz write this for 96530006?
You mean this?: https://www.evolutionm.net/forums/7077197-post241.html
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Old Oct 11, 2009 | 10:36 AM
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Monochrome
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Originally Posted by donour
Not exactly, I was asking for a one bit heater check on/off coding for 9653.

I THINK THIS WILL WORK but I need to confirm it. Not 100% sure if the address is correct.

Code:
	<table name="Heater CEL" category="Rear O2" address="2c61e" type="2D" level="2" scaling="blobbits">
		<table name="Bit values" type="Static Y Axis" flipy="true" elements="8">
			<data>N/A</data>
			<data>N/A</data>
			<data>N/A</data>
			<data>N/A</data>
			<data>Rear O2 Heater CEL Enable</data>
			<data>N/A</data>
			<data>N/A</data>
			<data>N/A</data>
		</table>
	</table>
Last edited by Monochrome; Oct 11, 2009 at 10:42 AM.
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Old Nov 14, 2009 | 09:27 AM
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So I tried mrfred's patch on #59 and Acamus' on #267. I'm still getting the SES light after driving around for about 5 miles. Is it because I still have the O2 plugged in and not removed?

I copied mrfred's rom data and set acamus' rear o2 to "0". Anyone have thoughts? Thanks.
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Old Nov 14, 2009 | 09:58 PM
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^ You are correct you have to unplug and remove the sensor or you'll probably get a slow response CEL. I've encountered this on a couple of friends cars.

BTW the code posted directly above your post works as well. Its confirmed.
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Old Nov 14, 2009 | 10:50 PM
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Originally Posted by Jeff_Jeske
^ You are correct you have to unplug and remove the sensor or you'll probably get a slow response CEL. I've encountered this on a couple of friends cars.

BTW the code posted directly above your post works as well. Its confirmed.
I think I realized these patches are just for the heater circuit and won't work for SES P0420. So I applied the patch here: https://www.evolutionm.net/forums/5353216-post148.html

If that doesn't work I'll look into removing the o2 sensor or just using a mechanical fix.
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Old Nov 15, 2009 | 07:44 AM
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scheides
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Originally Posted by SeanV
Excellent work MrFred and Acamus.

Work liked a charm on my Evo using 95630006/96530706.

I used this patch over here and it worked perfectly.

Any chance of getting the same thing for the 88840016 Rom for a EDM Evo9.
Over here in South Africa, we don't have worry about emission testing/readiness codes etc.

Thx again..
So you run 96530706 and literally just did:

Code:
<table name="Rear O2 Heater Patch" category="Mods" address="2c62a" type="1D" scaling="Hex16" />
and changed "4A0B" to "0009" and that's it? I shall give this a try.


**edit** I tried it, it seems to work great! I have the rear o2 completely unplugged. I'll make sure nothing silly becomes of it over the next week but all seems fine for now.
Last edited by scheides; Nov 16, 2009 at 06:10 AM.
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Old Dec 22, 2009 | 08:46 PM
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ridding the ol' p0420
ok, I just skimmed thru this entire thread, and sorry if this has been asked but I just got a p0420 "catalytic efficiency below threshold" and am trying to confirm the correct method to disable the cell, and a lil confused, w/ all of the methods goin on here... I added the OBD inspection, the rear 02 (but didnt make the changes in ecuflash, as I still have the sensor installed) and the rear 02 heater cell.

I understand the OBD inspection has nothing to do w/ the cell. I also understand that if the sensor is still in place, cant use mrfred's method. And I just read that the rear 02 heater doesnt help the p0420 cell.

So my question is can I just disable FAA bit. 01? Or tephras rear 02 simulator?

Im not sure "the reason" for the cell, although I would like to know... Im running a mil-spec 100 cell, HFC w/ ~ 8K on it.. First time for this cell.

TIA
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Old Apr 29, 2010 | 07:53 PM
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logic
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Quick sanity check for anyone reading this: does the VII (that runs 90550001 natively) have a rear O2 sensor? It doesn't look like it does, but I could be reading this incorrectly.
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Old Apr 29, 2010 | 07:55 PM
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tephra
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dont think it does...

pretty sure 90550001 is the ralliart ecu romid so rear02 removed...

but hey - you will find out pretty soon if it expects one
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Old Apr 29, 2010 | 08:00 PM
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logic
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Heh, more like Mr_Turco. I looked up the OBD inspection stuff for him in 9055, and decided to take a quick peek to see if the rear O2 heater code was the same, and...er...didn't find any code.
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Old Apr 29, 2010 | 08:14 PM
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tephra
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yeah he asked me last night if 90550001 will run on whatever rom he currently had...

it should be fine... i dont think there is any wiring differences between Evo7's...
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Old Apr 30, 2010 | 05:03 AM
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MR Turco
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yeah, i wanted a rom with some tephra support plus i don't have a lot of non-usdm definition files so this one seems to have what i need. It needs to pass the emissions tests which is only reason i have to care about this stuff . Thankfully logic is hooking me up with the goods.
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