Diagnostic Starting Point - Electronic Suspension Control HSV
                    Begin the system diagnosis with 
Diagnostic System Check - Vehicle. The Diagnostic
System Check - Vehicle will provide the following information:
|     •  | The identification of the control modules which command the system. | 
 
|     •  | The ability of the control modules to communicate through the serial data
circuit. | 
 
|     •  | The identification of any stored DTC's and their status. | 
 
The use of the Diagnostic System Check - Vehicle will identify
the correct procedure for diagnosing the system and where the procedure is located.