Important: The following steps must be completed before using the symptom tables.
- Perform the
Diagnostic System Check - Instrument Cluster
before using the symptom table in order
to verify that all of the following are true:
• | The 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 or audible warnings. 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, message display works properly during
the bulb check. |
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
For symptom diagnosis refer to one of the following:
Gages
For symptom diagnosis refer to one of the following:
Indicators
For symptom diagnosis refer to one of the following:
• | For MIL indicator refer to
DTC P0650
in Engine Controls |