Important: The following steps must be completed before
using the symptom tables.
- Perform the
Diagnostic System Check - Vehicle
in Vehicle DTC Information 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
in
Wiring Systems. |
| • | 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
in Wiring Systems.
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
Indicators
| • | Differential Lock Indicator in Drive Axle - Locking/Limited Slip |
| • | Rear Hatch/Gate Ajar Indicator Malfunction in Body Rear End |
