[Diy_efi] Need help with diy-wb, Vout = 2.48v

[Shannen at grolen.com]

DThere is no such thing as the aussie version of the diy wbO2.
Shannen
I>Hello,
DI>	Mine does a very similar thing... (I built the Aussie version of this
DI>kit).  My Vout never fluctuates from about 2.55 V, but my sensor does
DI>heat up OK it seems.  Is this a bad sensor or a bad board?  I did run my
DI>sensor in the car for about 30 minutes when it might not have been hot
DI>because I didn't fully understand that it needed to be warmed up with
DI>the internal heater... could this have fried my sensor?

DI>	I have a schematic with my measured voltages at:

DI>http://www.zeroglabs.com/rx7/images/schem.notes.jpg

DI>My measured voltages are in GREEN, while the target voltages are in RED.

DI>If any electronics whizzes would be willing to spend a few minutes
DI>looking, I'd sure be grateful!  As of now, my DIY kit is on the shelf...
DI>:( :(

DI>Regards,
DI>Brian 





DI>alain at fbsims.com wrote:
DI>> 
DI>> Hi all, I just finished putting together the pcb and completed all of the 
DI>> and all passed ok.
DI>> 
DI>> When I applied power to both the heater and UEGO circuits, Vout measured
DI>> 2.48 volts, and when the LED came on, Vout was still the same. Could my
DI>> o2 sensor be shot??
DI>> 
DI>> Also, the o2 sensor does get hot, so atleast the heater ciruit is working.
DI>> 
DI>> Anyone have a clue as to what could be wrong??
DI>> 
DI>> Thanks
DI>> Alain
DI>> 
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