Self-Diagnostic System: Notes
NOTE:
The following test is written specifically for Tech 2 scan tool. A generic scan tool may not be capable of performing all necessary test functions.
Begin system diagnosis with diagnostic system check. Diagnostic system check will provide following information:
- Identification of control module(s) which command system.
- Ability of control module(s) to communicate through serial data circuit.
- Identification of any stored DTCs and their current status.