For 1990-2009 cars only
Begin the system diagnosis with the Diagnostic System Check - Vehicle in Vehicle DTC Information. The Diagnostic System Check - Vehicle in Vehicle DTC Information will provide the following information:
| • | The identification of the control module or modules which command the system |
| • | The ability of the control module or modules to communicate through the serial data circuit |
| • | The identification and status of any stored diagnostic trouble codes (DTCs). |
Use the Diagnostic System Check - Vehicle in Vehicle DTC Information in order to identify the correct procedure for diagnosing the system and where the procedure is located.
