ABS (Antilock Brake System)

CIRCUIT DESCRIPTION




DETECTING CONDITIONS

Fail safe function:
If any trouble occurs in the master cylinder pressure sensor circuit, the ECU cuts off current to the ABS solenoid relay and prohibits ABC & BA & TRAC & VSC controls and the brake system becomes normal.




WIRING DIAGRAM













INSPECTION PROCEDURE

HINT: Start the inspection from step 1 in case of using the LEXUS hand-held tester and start from step 2 in case of not using the LEXUS hand-held tester.