Important: The following steps must be completed before using the symptom tables.
- Perform the
Diagnostic System Check - Door Systems
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 description and operation in order to familiarize yourself
with the system functions. Refer to:
Visual/Physical Inspection
• | Inspect for aftermarket devices which could affect the operation of the
power door lock, power window and mirror 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. |
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: