The impeller (one) is rotated via the crankshaft and it converts the mechanical energy from the crankshaft into kinetic Vitality by putting the fluid in motion. The TP sensor signifies the throttle plate angle. If the motive force accelerates to vast-open up throttle, the TCM disengages the TCC to downshift. https://edwinagfdy.blog-ezine.com/34387703/rumored-buzz-on-torque-converter-clutch