DTC 12

CIRCUIT DESCRIPTION
This relay supplies power to each ABS solenoid. After the ignition switch is turned ON, if the initial check is OK, the relay goes on.




DETECTING CONDITIONS

Fail safe function:
If trouble in the ABS solenoid relay circuit, the ECU cuts oft current to the ABS solenoid relay and prohibits ABS & TRAC & VSC controls and the brake system becomes normal.




WIRING DIAGRAM

Step 1:

Step 2:

Step 3:

Step 4:

Step 5:

INSPECTION PROCEDURE
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.