Important: The following steps must be completed before using the symptom tables.
- Perform
Diagnostic System Check - Vehicle before using the brake indicator symptom tables in order to verify that all of the following are true:
• | The control module(s) can communicate via the serial data link. |
- Perform the
Brake System Vehicle Road Test before using the hydraulic brake symptom tables in order to duplicate the customer's concern.
- Review the system operation in order to familiarize yourself with the system functions. Refer to the following:
Visual/Physical Inspection
• | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to
Testing for Intermittent Conditions and Poor Connections .
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom: