Diagnostic Starting Point - Engine Controls Petrol
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 DTCs and the codes status. |
The use of the Diagnostic System Check - Vehicle will identify the correct
procedure for diagnosing the system and where the procedure is located.