Trash> O2InputMod ( vs. r1.1) |
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<<O>> Difference Topic
O2InputMod
(r1.1 - 09 Nov 2005 - Home.nfn15037)
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%META:TOPICINFO{author="nfn15037" date="1131565860" format="1.0" version="1.1"}%
%META:TOPICPARENT{name="Library.ECUHardwareMods"}%
This mod allows full 0-5v logging of the o2 sensor input. More resolution = more accurate lambda logging. Enjoy!
First, remove R5 resistor
Below C70 are 3 thru-holes on the ground plane. Use a soldering iron to heat the middle one, so you can suck the right hole clean. This will be your grounding point for the 10uf cap.
Insert the negative lead thru the grounding point, and the positive lead through the right hole of R5. Underneath, bend the lead of the cap in the R5 thruhole up and to the right, and tack it to the C3 pad. Solder both thru-holes for the Cap. cut excess leads off.
Edit: Tested and confirmed. Voltage read at WB output matches the value I read in Free Log? (With O2 input set to Volts). I can now read from 10 AFR to 20 AFR with the 5v input!!
Thanks to ltdannear for testing and writing this!
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