Important: The following steps must be completed before
using a symptom table:
• | Perform the
Diagnostic System Check - Vehicle
in Vehicle DTC Information before using a symptom table in order to
verify that all of the following conditions are true: |
- | The control modules can communicate via the serial data link. |
• | Review the system description and operation in order to familiarize yourself
with the system functions. Refer to the following procedures: |
Visual/Physical Inspection
• | Inspect the easily accessible or visible system components for obvious
damage or conditions which could cause the symptom. |
Intermittent
Thoroughly inspect the wiring and connectors. An incomplete inspection of the
wiring and connectors may result in misdiagnosis causing part replacement with the
reappearance of the malfunction. If an intermittent malfunction exists, 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: