Haltech Platinum Pro Plug-in Quick Start Manual page 9

Step 3: Throttle Position Sensor 1 (TPS 1)
Release the accelerator pedal to a non-pressed state. Ensure that all
electronic throttles are connected and click calibrate to continue
Figure 10 – TPS 1 Calibration Success
Step 4: Throttle Position Sensor 2 (TPS 2)
In Twin throttle applications the Electronic Throttle Calibration wizard will
proceed to calibrate the TPS 2 automatically. This is not required with
this application and will be skipped automatically by the wizard
Figure 11 – TPS 2 Calibration Success