Important: The following steps must be completed before using the symptom tables.
- Perform the
Diagnostic System Check - Vehicle
, before using the symptom table 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 audible warnings, driver information center (DIC), or instrument panel cluster (IPC). 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 the message display works properly during the displays test. |
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
Gages
Indicators