Flow of Diagnosis

1. Visually inspect the components of the power window system to determine if any of the following electrical or mechanical concerns apply.

VISUAL INSPECTION CHART

Mechanical
- Window alignment
- Window mounting (regulator and bracket)
- Window frame interference

Electrical
- IP fuse panel - Fuse 21 (30 A)
- Damage to wiring harness
- Loose or corroded connections
- Damaged switches

2. Check the wiring harness for obvious signs of shorts, opens, bad connections or damage.
3. If the fault is not visually evident, determine the symptom and proceed to the Symptom Chart. Symptom Related Diagnostic Procedures