Circuit Description
WARNING: This page is about a different car, the 2003 Toyota Tundra, 2002 Toyota Tundra, and 2001 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
IG power source circuit is power source for ABS ECU and ABS actuator solenoids. If malfunction occurs in power source circuit, ABS ECU cuts off current to ABS solenoid valve relay and prohibits ABS control.