ABS W/Vehicle Skid Control (VSC)

CIRCUIT DESCRIPTION

DTC Detecting Condition:

HINT: There is a case that LEXUS hand-held tester cannot be used when ECU is abnormal

Fail safe function:
If a trouble has occurred in the ECU the ECU cuts off the current to the ABS solenoid relay and prohibits the ABS (& BA & TRAC & VSC) controls and the brake system becomes normal.

Wiring Diagram:

Steps 1 - 4:

Steps 5 - 6:

INSPECTION PROCEDURE