Circuit Description
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.
The ECM memory contains the shift programs for the NORMAL and POWER patterns, "2" , "L" and the lock-up patterns. Following the programs corresponding to the signals from the pattern select switch, the PNP switch and other various sensors, the ECM switches the solenoid valves ON and OFF, and controls the transmission gear change and the lock-up clutch operation.