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Cant log from Lc-1- a little help needed

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Old Dec 22, 2014, 07:04 PM
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Cant log from Lc-1- a little help needed

Hey guys, I've logged using AEM UEGO but Im helping my cousin out who has a LC-1. Cant get this damn thing to log. I searched on the forums for similar issues and tried some solutions but no luck.

some info.
evoscan v2.7
I plugged the "'stereo " type of plug into the "output"/"input"(tried both), bought a RS232 DB9 to usb plug("prolific plugable usb serial adapter").

In evoscan I changed the wideband to lc-1 and I am able to see the correct com-port. I tried different com-ports yet still cant get it to log. In evoscan I have check marked "external wideband.." like I would with my AEM UEGO.

Tried to play with it a bit but no luck. Am I missing something?

Last edited by NOMIEZVR4; Dec 22, 2014 at 07:17 PM.
Old Dec 22, 2014, 10:12 PM
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You need the terminator plug in the input terminal. The line to the rs232 cable goes in the output. The terminator plug is a must tho for this to work.

Last edited by STLEVOIX; Dec 23, 2014 at 10:04 AM.
Old Dec 23, 2014, 06:06 AM
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A little confused what you said here

"You need the terminator plug in the output terminal. The line to the rs232 cable goes in the output. "

Do you mean I need a terminator plug that goes to the output ..then that plug goes to the radio style jack to rs232?

The radio style line to the Rs232 goes to the output line that is coming out of the little black box ..thats how I have it setup for now.


Maybe I'll get a better understanding if I see a pic of the terminator plug...anyone have a link or a pic of it?
Old Dec 23, 2014, 10:04 AM
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Here is a terminator plug



I apologize for the confusion. I recently had a nice time trying to get my LC1 to log so I am familiar with it lol. The terminator goes into the input terminal and acts as a ground. The rsr232 line goes into the output. Hope this helps.

Dillon
Old Dec 23, 2014, 12:14 PM
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Perfect..thanks!
Buying that today and trying it out!
Old Dec 29, 2014, 03:31 PM
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Still no luck. So the wideband is wired to the ecu since originally he was going to log through the ecu.

Could that be an issue? He followed these instructions..
https://www.evolutionm.net/forums/ec...ial-cable.html
Old Dec 29, 2014, 04:17 PM
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Your logging under "WBD" in evoscan with a value of x, correct? Wide band in the top right hand corner is checked to LC-1 correct? Software/drivers are correctly installed for the usb/rs232 converter? What usb/rs232 converter are you using?
Old Dec 31, 2014, 06:07 AM
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Will check that tonight..In evoscan 2.7 I was choosing " external wideband ..."
Old Dec 31, 2014, 03:54 PM
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Your logging under "WBD" in evoscan with a value of x, correct?
YES- It says External wideband A/F Ratio WDB.

Wide band in the top right hand corner is checked to LC-1 correct?
Yes- I also see the correct com being used. I tried different comports

Software/drivers are correctly installed for the usb/rs232 converter? What usb/rs232 converter are you using?

I am using evoscan 2.7v. The rs232 to usb is a prolific plugable usb serial adapter.
Old Dec 31, 2014, 03:55 PM
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I was able to log this with my AEM UEGO wideband , but the lc-1 wont log..i thought itll be simpler since it comes with the radio jack to rs232 which goes to the black box thingy.
Old Jan 2, 2015, 01:58 PM
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That stinks. Without being there to make sure everything is hooked up right, I can only do so much.
Old Jan 2, 2015, 03:51 PM
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Ok great news..I tinkered with it a bit and after switching com ports its logging yay!!

Worst part is now it's stuck at 7.4..just Bink's 7.4 and don't move from there. I see in evoscan it shows up 7.35 and stays there. I'm guessing either I messed something up while tinkering with it or I need to reset something some how.

You ever ran I to that before?
Old Jan 2, 2015, 04:07 PM
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Sounds like a wire got disconnected when you were tinkerin with it. Do you have the red reset/calibration button for the lc1?
Old Jan 2, 2015, 07:57 PM
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the calibration button, yes. I pressed it a few times but no cigar.

I will try to go over the wiring again tomorrow to see if anything got loose.
Old Jan 15, 2015, 06:46 AM
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Just an update..the issue was with COM ports and I had to re-calibrate the LC-1.
Once that was done, everything worked!!


HUGE THANKS TO STLEVOIX !!!


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