Important: The following steps must be completed before using the symptom tables.
- Perform the
Diagnostic System Check - Instrument Cluster
or the
Diagnostic System Check - Audible Warnings
before using the Symptom Tables
in order to verify that all of the following are true:
| • | The control module(s) 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, Driver Information Center or Audible Warning Systems.
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. |
| • | Inspect the reservoirs for the proper fluid level before beginning
diagnosis. |
| • | Verify that the indicators work 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:
Gauges and Odometer
Indicators
Driver Information Center
Instrument Cluster Dimming
Audible Warning
