Operation CHARM: Car repair manuals for everyone.

Initial Inspection and Diagnostic Overview



Diagnostic Starting Point - Engine Cooling

Begin the system diagnosis with Diagnostic System Check - Vehicle The Diagnostic System Check - Vehicle will provide the following information:
Initial Inspection and Diagnostic Overview
^ 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 DTCs and the codes status

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