The impeller (one) is rotated through the crankshaft and it converts the mechanical energy with the crankshaft into kinetic energy by Placing the fluid in movement. The TP sensor signifies the throttle plate angle. If the motive force accelerates to wide-open up throttle, the TCM disengages the TCC to downshift. https://torque-converter-clutch54185.blog-mall.com/34586766/5-simple-statements-about-torque-converter-clutch-explained