Important: For the Outside Automatic Day-Night Mirror system, review the system
operation in order to familiarize yourself with the system functions. Refer
to
Outside Mirror Description and Operation
.
For the other Door systems, the following steps must be performed 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 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:
Visual/Physical Inspection
• | Inspect for aftermarket devices which could affect the operation
of the power windows, power door locks, or power mirrors. 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: