Diagnostic Starting Point - SIR
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Begin the system diagnosis with the Diagnostic System Check - SIR . The Diagnostic System Check-SIR will provide the following information:
- The identification of the control module which commands the system.
- The ability of the control modules to communicate through the serial data circuit.
- The identification of any stored diagnostic trouble codes (DTCs) and their status.
The use of the Diagnostic System Check-SIR will identify the correct procedure for diagnosing the system and where the procedure is located.