1. Fit the TPS to throttle body, and fit the electrical connector to the TPS (before you've bolted up the throttle body to the plenum, so you can easily get at the TPS if further adjustment is required).
2. Remove the main 35-terminal ECU connector cover (undo posidrive screw on the end and slide the cover off). Carefully refit the connector to the ECU.
3. Turn ignition to position 2.
4. Connect your multimeter negative probe to ECU connector terminal 1.
5. Connect your multimeter positive probe to ECU connector terminal 17.
6. Adjust the sensor to read <0.35 volts at idle.
7. Refit ECU connector cover and fit throttle body etc.