Circuit Description

Problem occurs when ABS/TRAC/VSC ECU internal malfunction is detected. Possible cause is a malfunctioning ABS/TRAC/VSC ECU or power source to ABS/TRAC/VSC ECU. If trouble occurs in power source circuit, ABS/TRAC/VSC ECU performs a fail safe function, turning off current to ABS solenoid relay and prohibiting ABS, TRAC and VSC.