Important: The following steps must be completed before using the symptom tables.
- Perform the
Diagnostic System Check - Vehicle, before using the symptom tables in order to verify that all of the following are true:
| • | The modules can communicate via the serial data link. |
- Review the system operation in order to familiarize yourself with the system functions. Refer to the following:
Visual/Physical Inspection
| • | Inspect for aftermarket devices which could affect the operation of the instrument cluster, the driver information display, or the audible warnings. Refer to
Checking Aftermarket Accessories. |
| • | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. |
| • | For any indicator or message relating to fluid level, perform a visual inspection of the fluid level before beginning diagnosis. |
| • | Verify that the indicators and message display works properly during the displays check. |
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:
Audible Warnings
Driver Information Center (DIC)
Gages
Heads Up Display
Indicators
