Symptoms - Hydraulic Brakes: Notes

Perform DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM, before continuing 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.

Perform the road test before using the hydraulic brake symptom tables in order to duplicate the customer's concern. See ROAD TEST  . Review the system operation in order to familiarize yourself with the system functions. Refer to the following:

• Brake Assist System
• Disc Brake System
• Drum Brake System
• Hydraulic Brake System
• Brake Warning System

See DESCRIPTION & OPERATION  .