Initial Inspection and Diagnostic Overview

DIAGNOSTIC STARTING POINT - ENGINE CONTROLS

Begin the system diagnosis with Diagnostic System Check - Vehicle. Initial Inspection and Diagnostic Overview

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.

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