Initial Inspection and Diagnostic Overview

1. Verify the customer's concern by operating the door handles, front door courtesy, or front panel courtesy lamps to duplicate the condition.
2. Inspect the system to determine if one of the following mechanical or electrical concerns apply:

Mechanical
^ Damaged door lock Cylinder lamp.
^ Damaged front door courtesy lamp.
^ Damaged front panel courtesy lamp.
^ Damaged Courtesy lamp switch.

Electrical
^ Open Circuit.
^ Circuit shorted to ground.
^ Loose/corroded or damaged Connector.

3. If the inspection reveals concerns that can be readily identified, service as required.
4. If the concern remains after the inspection, determine the symptom and GO to the Symptom Chart. Symptom Related Diagnostic Procedures