The impeller (one) is rotated through the crankshaft and it converts the mechanical Electrical power with the crankshaft into kinetic energy by putting the fluid in movement. The TP sensor signifies the throttle plate angle. If the motive force accelerates to extensive-open throttle, the TCM disengages the TCC to downshift. https://angeloemppr.bluxeblog.com/66349753/the-single-best-strategy-to-use-for-torque-converter-clutch