The Electronic Brake Control Module (EBCM) contains sophisticated
on-board diagnostics. The diagnostics identify the source of any system malfunction
as specifically  as possible. This diagnosis occurs whether the malfunction
was intermittent  or constant. The on-board diagnostics are accessed with
a scan tool.
The scan tool performs the following functions:
|     •  | Specific identification of the last diagnostic trouble code | 
 
|     •  | Storage of specific data at the time of the malfunction | 
 
|     •  | Monitoring of each input and output, enabling the following operations: | 
 
|       •  | Malfunction confirmation | 
 
|     •  | Manual control of the components | 
 
|     •  | Automated functional tests |