- Symptoms - Hydraulic Brakes

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

1. Perform A Diagnostic System Check before using the symptom tables in order to verify that all of the following are true:
^ There are no DTCs set.
^ The control module(s) can communicate via the serial data link.
2. Review the system operation in order to familiarize yourself with the system functions. Refer to the following:
^ Master Cylinder Description
^ Vacuum Brake Booster Description
^ Brake Warning System Operation
^ Brake Warning System Circuit Description


Visual/Physical Inspection
^ Inspect for aftermarket devices which may affect the operation of the instrument panel cluster.
^ Inspect the easily accessible or visible system components for obvious damage or conditions which may cause the symptom.
^ Inspect the reservoir for the proper fluid level.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. refer to Testing for Intermittent and Poor Connections in Diagnostic Aids under Diagrams.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^ Brake Warning Indicator Always On Brake Warning Indicator Always On
^ Brake Warning Indicator Inoperative Symptom Related Diagnostic Procedures
^ Brake Pedal Excessive Travel Brake Pedal Excessive Travel
^ Brake Pedal Travel Brake Pedal Travel
^ Brake Fluid Leak Brake Fluid Leak