Important: The following steps must be completed before using the symptom tables.
- Perform 
Diagnostic System Check - ABS 
 before using the Symptom Tables in order to verify that all of
the following are true:
 
| •  | The control module(s) can communicate via the serial data link. | 
 
- Review the system operation in order to familiarize yourself with
the system functions. Refer to 
ABS Description and Operation 
.
 
Visual/Physical Inspection
|     •  | Inspect the easily accessible or visible system components for
obvious damage or conditions which could cause the symptom. | 
 
Symptom List
Refer to a symptom diagnostic procedure from the following list in order
to diagnose the symptom: