Important: The following steps must be completed before using the symptom diagnostic tables.
- Before using the symptom diagnostic tables, perform the Vehicle Diagnostic System Check
Diagnostic System Check - Vehicle
in order to determine that there are no DTCs set, and that the control modules can communicate
via the serial data link:
- Review the system operation in order to understand the system functions. Refer to the following description and operations:
Visual/Physical Inspection
| • | Inspect for aftermarket devices which can affect the operation of the instrument panel cluster or the audible warnings system. Refer to
Checking Aftermarket Accessories
. |
| • | Inspect the accessible system components or the visible system components for obvious damage or for obvious conditions which can cause the symptom. |
| • | Inspect for the proper fluid levels. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to
Testing for Intermittent Conditions and Poor Connections
.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
Gages and Odometer
Indicators
Driver Information Center
Driver Information Center (DIC) Switch Inoperative
Head Up Display (HUD)
Audible Warnings
