Initial Inspection and Diagnostic Overview

DIAGNOSTIC STARTING POINT - COMPUTERS AND CONTROL SYSTEMS

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 diagnostic trouble codes (DTCs) and the codes' statuses Initial Inspection and Diagnostic Overview

The use of the Diagnostic System Check - Vehicle will identify the correct procedure for diagnosing the system and where the procedure is located.