Zirconia O2 sensor alternate modes of operation

[Ludis Langens]

TBK <terryk at foothill.net> wrote:
> I think it is .456V supplied through 1Mohm. When the sensor heats, it's
> resistance drops and can now overcome the bias voltage. The .456V is just
> there to fool the ECM until the sensor is warm.

Take a look at http://www.national.com/pf/LM/LM9044.html to see what GM
does.

               unsigned long BinToBCD(unsigned long i) {unsigned long t;
Ludis Langens     return i ? (t = BinToBCD(i >> 1), (t << 1) + (i & 1) + 
ludis at cruzers.com            (t + 858993459 >> 2 & 572662306) * 3) : 0;}