Visual Inspection

Verify the customer concern.
Visually inspect for obvious signs of damage and system integrity.
If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
If the cause is not visually evident verify the symptom and refer to the SYMPTOM CHART , alternatively check for Diagnostic Trouble Codes (DTCs) and refer to the DTC INDEX .

Visual Inspection

MECHANICAL	ELECTRICAL
Window control switches condition and installation Window motors/regulators Window channels/runners Window cables Window seals	Fuses Harnesses and connectors Window lift relay Window control switches Window motors