Initial Inspection and Diagnostic Overview

Diagnostic Starting Point - Air Suspension

Begin the system diagnosis with the Diagnostic System Check - Vehicle . The Diagnostic System Check will provide the following information:

* The identification of the control modules which command the system. Refer to Air Suspension Description and Operation (Description and Operation) .
* The identification of any stored diagnostic trouble codes (DTCs) and their status. Refer to Diagnostic Trouble Code (DTC) Displaying (Trouble Code (DTC) Displaying) .


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