C1246

CIRCUIT DESCRIPTION

DTC Detecting Condition:

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

Wiring Diagram:

Steps 1 - 2:

Steps 3 - 4:

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