SLT Solenoid
WARNING: This page is about a different car, the 2002 Toyota Land Cruiser, 2002 Lexus LX 470, 2001 Toyota Land Cruiser, and 2001 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
Upon receiving throttle valve opening angle signal, ECM controls transmission line pressure by delivering an output signal of a predetermined duty ratio to SLT solenoid, modulating line pressure and generating throttle pressure. Solenoid is located on transmission valve body. See Figure.