C0274

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The ABS MTR relay supplies power to the ABS pump motor. While the ABS & TRAC & VSC are activated, the ECU switches the MTR relay ON and operates the ABS pump motor.

Wiring Diagram:

Steps 1 - 2:

Step 3:

Steps 4 - 5:

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.