The impeller (1) is rotated by the crankshaft and it converts the mechanical Power of the crankshaft into kinetic Power by Placing the fluid in movement. The TP sensor implies the throttle plate angle. If the motive force accelerates to broad-open up throttle, the TCM disengages the TCC to downshift. https://raymondnsvfw.designertoblog.com/65530141/an-unbiased-view-of-torque-converter-clutch