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how-to: Log AFR from the LC-1 w/o a serial cable

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Old Apr 16, 2008, 05:10 PM
  #31  
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So you changed the appropriate ADC channel to FFFF8408?
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Old Apr 16, 2008, 05:57 PM
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yup
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Old Apr 17, 2008, 04:14 PM
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NGK Works as well

Since I have the first gen NGK wideband they do not come with wires for an analog output. All I had to do is call NGK and they shipped the wires/pins to connect into the harness for free. There are two wires, brown for analog output ground and yellow for analog output signal. The brown does not have to be hooked up to any ground. I just connected the yellow wire to the rear o2 input on the ecu with some evo8 pins I had laying around. Used this formula in evoscan 0.0274*x + 9.0 since it has a afr range 9.0-16.0 , followed the instructions supplied by mrfed, and wa la I'm loggin afr's with my lunchbox wideband.
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Old Apr 17, 2008, 04:28 PM
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Whoa. Hopefully you omitted some info. Where did you get the 9.0 - 16.0 range?
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Old Apr 17, 2008, 05:55 PM
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thats the min and max the ngk can read or its range
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Old Apr 18, 2008, 08:13 AM
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Originally Posted by mrfred View Post
Someone will have to take a look at your ROM.
Tried to post my rom here on the forum but when i zip my rom the file, the size is 121KB and a max of 100KB is allowed for attachments
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Old Apr 18, 2008, 08:33 AM
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Originally Posted by tephra View Post
as per pm - 8409 should be fine on 90550001.

baz is going to send me his rom so i can dbl check!
all sorted now Cheers Dave,

I had changed mut 120 to 8409 instead of mut 12
silly mistake,
works brilliant well done mrfred excellent mod.
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Old Apr 18, 2008, 08:57 AM
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Originally Posted by bnice01 View Post
thats the min and max the ngk can read or its range
ok, just wanted to be sure that the numbers were not arbitrary.
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Old Apr 18, 2008, 09:08 AM
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Originally Posted by mrfred View Post
ok, just wanted to be sure that the numbers were not arbitrary.
LOL my bad I was pretty excited when I was writing yesterday but again mrfred another great mod
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Old Apr 18, 2008, 10:34 AM
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Originally Posted by bnice01 View Post
LOL my bad I was pretty excited when I was writing yesterday but again mrfred another great mod
Thanks. More good stuff coming. :-)
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Old May 2, 2008, 02:07 PM
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Anything for the 94170014 ROM?
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Old May 5, 2008, 05:05 AM
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^+1

I am using ROM 97140015 and would prefer not to use Tephra's V5. Can someone just provide the "new RAM address for the rear O2 ADC input" for ROM 97140015. Someone has to know what it is since it is included in Tephra's patch.

<table name="Rear O2 (ADC 0A) RAM variable" category="Rear_02" address="????" type="1D" level="1" scaling="Hex16"/>

Last edited by DCsleeper; May 5, 2008 at 05:37 AM.
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Old May 5, 2008, 05:11 AM
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Originally Posted by DCsleeper
prefer not to use Tephra's V5
aww why not?
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Old May 5, 2008, 05:37 AM
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sorry man. no hard feelings, I really appreciate the work that you and MrFred do on here. The major issue that I have is that I can not be sure which tables the tuner I had tune my car previously manipulated. It is possible that he modified tables that I cannot see in my version of ECUFlash.
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Old May 5, 2008, 05:57 AM
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anything is possible

if you want send me your ROM and I can tell your what tables they modified
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