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Senior Member
Data logging using latest ver of MLV and ECMSpy..
Been 10 yrs since I last ventured into this-much to re-learn. Will have 2 WB sensors in place before long and hopefully will be able to create some useful maps for a stock 08 XB9SX. Like the quietness of the stock exhaust..ha. Have heard that pins #1 and 33 on the ecm connector can be used to input the WB signal for data logging. Anyone with any experience doing this?? Thanks!
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ECMSpy.com has the ecm pinouts. Yes, you can do this.
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Senior Member
Thats great! Notice that there are some small white plastic plugs in the openings at pins 1 and 33. Just install some connectors in those openings and wire them into the 2 outputs coming from the FAST air/fuel meter? Now trying to get familiar with this new ver of MLV.
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Yes, those are just plugs to keep them weatherproof
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Senior Member
Any idea where those pin connectors can be found? Trying to remember if I inputted the WB signal (0-5V) or the NB simulated output (0-1V?) going into the ecm?thanks!!
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Senior Member
OK..found a source for the pins..even come with wire pigtails. So, before(10yrs ago..) I had to cut the stock nb sensor wire and run the wb controller signal thru that wire in to the ecm to create a log file. Then ran the log file thru Megalogviewer with target afr maps. The same can be done by just connecting the controller output(s) to pins 1 and 33 on the ecm? Can both cyl be done simultaneously?
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Could you link the source please? I need some
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Senior Member
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34 pin AMP (Tyco) according to the electrical diagnostic manual.
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Senior Member
So, pins 1 and 33 are AFR analog input sites-DDFI-3..2008 according to EcmSpy manual. New ver of ECMSpy has options for use of 2 wideband sensors? Does this mean that you should be able to log WB sensor data(0-5V typically) from both cylinders at the same time? Would sure make things easier and faster...
Found another source for what I think is needed:
http://www.midwestconnectorsupply.co...Cancelled=true
Last edited by dodge; 05-17-2017 at 05:08 AM.
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