Initial Inspection and Diagnostic Overview
1. Verify the customer concern.2. Visually inspect for obvious signs of mechanical and electrical damage using the chart.
VISUAL INSPECTION CHART
3. With key ON, operate all the window regulator control switches and listen to the window regulator electric drive for any mechanical concerns.
4. If the concern is not visually evident, verify the symptom and proceed to Symptom Chart. Symptom Related Diagnostic Procedures