Begin the system diagnosis with Diagnostic System Check - Instrument Cluster . The Diagnostic System Check will provide the following information:
| • | The identification of the control module(s) which command the system |
| • | The ability of the control module(s) to communicate through the serial data circuit |
| • | The identification of any stored diagnostic trouble codes (DTCs) and their status |
The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and where the procedure is located.
Begin the audible warning system diagnosis by reviewing the system Description and Operation. Reviewing the Description and Operation information will help determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the Description and Operation will also help to determine if the condition described by the customer is normal operation. Refer to Symptoms - Instrument Panel, Gages and Console in order to identify the correct procedure for diagnosing the system and where the procedure is located.
