Initial Inspection and Diagnostic Overview

Diagnostic Starting Point - Engine Cooling

Begin the system diagnosis with the diagnostic system check. Refer to 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 circuits
* The identification of any stored DTCs and their status


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