Flow of Diagnosis
General Equipment Multimeter1. Verify the customer concern by operating the system.
2. Visually inspect for obvious signs of mechanical or electrical damage.
VISUAL INSPECTION CHART
Mechanical
^ Window glass.
^ Window regulator.
Electrical
^ Fuse.
^ Window Motor.
^ Loose or corroded connector(s).
^ Switch.
^ Circuit.
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step,
4. If the concern is not visually evident, verify the symptom and refer to the Symptom Chart. Symptom Related Diagnostic Procedures