Hi all looked at the above lexus at anther garage They had replaced oxygen sensor.as the mil light came on.and fualted the oxygen heater side i checked the wiring the two black heater wires.and found that one was battery voltage and the other wire which was earth.was not earthing out tryed running earth to battery earth mil light came back on.the problem i have is no imfo would anybody have the pin data for the above lexus.or had this problem before,