How to Proceed With Troubleshooting

Step 1 - 10:

Step 11 - 12:

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:
Diagnostic steps permitting the use of the TOYOTA hand-held tester.

Fail safe function:
When a failure occurs in the ABS system, the ABS warning light is lit and the ABS operation is prohibited.
In addition to this, when the failure which disables the EBD operation occurs, the brake warning light is lit as well and the EBD operation is prohibited.