ABS W/Vehicle Skid Control (VSC)
CIRCUIT DESCRIPTIONDETECTING CONDITIONS
HINT: There is a case that LEXUS hand-held tester cannot be used when ECU is abnormal.
Fail safe function:
If any trouble occurs in the ECU, the ECU cuts off current to the ABS solenoid relay and prohibits ABS & BA & TRAC & VSC controls and the brake system becomes normal.
WIRING DIAGRAM
INSPECTION PROCEDURE