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: Testing and Inspection
^ 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 DTC's 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.