Originally Posted by
jon@work
to set up a PF09 :
1. With the ECU multi-plug plugged into the ECU, turn on the ignition.
2. Connect your negative probe to ECU Pin 1
3. Connect your positive probe to ECU Pin 17
4. Adjust the sensor to read <0.35volts at idle position.
Thats as good a description as you will get but that doesnt always work sadly, especially with P8. However, if you still have issues, drop lower by 0.1v at a time until its ok.