Always On - Malfunction In ECU VSC Warning Light Circuit

DTC Always on Malfunction In ECU VSC Warning Indicator Circuit.





DETECTING CONDITIONS

Fail safe function:
If trouble occurs in the ECU, the ECU prohibits ABS & TRAC & VSC controls and the brake system becomes normal.





WIRING DIAGRAM

Step 1:

Step 2:

Step 3:

Step 4:

Step 5:

Step 6:

Step 7:

Step 8:

Step 9:

INSPECTION PROCEDURE
Start the inspection from step 1 in case of using the LEXUS hand-held tester and start from step 5 in case of not using the LEXUS hand-held tester.