It is not the scanner, it is the readiness monitor that has not reset. I think he said there were no engine codes.
Adam, you can take the car to an AutoZone, Napa, O'reilys etc. and they should be able to read the codes AND readiness monitors for you prior to going back for inspection. However, if you only have 500 miles on the new ECU, you might give it a few more. The Rear O2 sensor and EGR monitors are the very last ones to reset/test. There is another method that someone on the Mazdaspeed forum came up with to reset all the monitors. You might try searching for it to see if that one will help. Stephanie BEGi/Bell Engineering Phone: 830-438-2890 Fax: 830-438-8361 www.bellengineering.net From: Bill Cardell [mailto:[EMAIL PROTECTED] Sent: Wednesday, September 17, 2008 1:22 PM To: Adam Wolf; Miata Power List Subject: RE: OBDII readiness monitors... And why won't your scanner read the 02s? Bill Cardell TurboDog's Dad www.flyinmiata.com www.fmwestfield.com Sales 1-800-359-6957 Tech 970-464-5600 Before you call, check out http://www.flyinmiata.com/FAQ/ _____ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Adam Wolf Sent: Wednesday, September 17, 2008 12:18 PM To: Miata Power List Subject: Re: OBDII readiness monitors... Yeah, even the ps wire is hooked back up.... On Wed, Sep 17, 2008 at 12:12 PM, Bill Cardell <[EMAIL PROTECTED]> wrote: Did you rewire back to stock completely? Ps wire hooked back up to pump, etc? Doubt it would affect readiness, but worth a try. Bill Cardell TurboDog's Dad www.flyinmiata.com www.fmwestfield.com Sales 1-800-359-6957 Tech 970-464-5600 Before you call, check out http://www.flyinmiata.com/FAQ/ _____ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Adam Wolf Sent: Wednesday, September 17, 2008 12:10 PM To: Miata Power List Subject: Re: OBDII readiness monitors... I'm actually on my 2nd ECU. My stock one ran like crap (bucking and not setting the monitors) so I swapped in a spare that I bought a couple years ago when I suspected my original ecu of not working correctly. The replacement runs fine. Very smooth. but the monitors still don't set. And this new one indeed has about 500 miles on it. I'd dearly love a hardware reset button. On Wed, Sep 17, 2008 at 11:59 AM, Brad Franks <[EMAIL PROTECTED]> wrote: This may sound stupid but... Is there some sort of "hardware reset" for the ECU? On computers it would be the "BIOS Reset" jumper. There has to be a way of resetting the eeprom on the stock ECU to factory fresh simply for troubleshooting purposes. Otherwise, is there another ECU in the area you can borrow? Either from a 97 or 99? Adam Wolf wrote: no, I'm not getting a code. (I'd give an eyetooth for an actual code, helpful or otherwise). it's just the readiness monitors not setting. AFAIK, the monitors deal with both o2 sensors. I will, however, recheck the sensor wiring. Wish I could get the Scangauge to show o2 sensor output...
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