Symptoms - Anti-lock Brake System: Notes

Important:  The following steps must be completed before using the symptom tables.

1. Perform the Diagnostic System Check - ABS (Figure) before using the Symptom Tables in order to verify that all of the following are true:
   • There are no DTCs set.
   • The control modules can communicate via the serial data link.
2. Review the system operation in order to familiarize yourself with the system functions. Refer to ABS Description and Operation .