- Symptoms - Doors

IMPORTANT: The following steps must be completed before using the symptom tables.

1. Perform the Diagnostic System Check - Door Systems before using the Symptom Tables in order to verify that all of the following are true:
^ There are no DTCs set.
^ The control module(s) can communicate via the serial data link. Diagnostic System Check - Door Systems
2. Review the system operation in order to familiarize yourself with the system functions.
^ Refer to Power Windows Description and Operation
^ Refer to Power Door Locks Description and Operation
^ Refer to Outside Mirror Description and Operation

Visual/Physical Inspection
^ Inspect for aftermarket devices which could affect the operation of the Door Lock System. Refer to Checking Aftermarket Accessories in Diagrams.
^ 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 and Poor Connections in Diagrams.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^ Power Windows Inoperative - All
^ Power Windows Inoperative - One
^ Power Windows Inoperative - Express Down Function
^ Power Door Locks Inoperative
^ Power Mirrors Inoperative