Throttle opening of Buick Regal at idle speed

It should be the throttle position sensor. The shift logic of automatic gear is controlled by computer. The computer thinks that you want to get a higher speed by stepping on the oil deeply, so it is the same for a slow upshift and a downshift, because only a low gear can get a high torque. The computer judges the depth of the throttle through the throttle position sensor. Look at the data stream. What is the throttle opening at idle speed?