Flow of Diagnosis

1. Verify the customer concern by operating the keyless entry system.
2. Visually inspect for obvious signs of mechanical and electrical damage using the following chart.

NOTE: Ensure the battery is fully charged before starting electrical diagnosis.

VISUAL INSPECTION CHART

Mechanical
- Binding latch mechanisms.
- Binding linkage.
- Misaligned door.

Electrical
- Battery.
- Fuse.
- Damaged wiring harness.
- Loose or corroded connections(s).
- Circuitry open/shorted.
- Door lock switch.
- Power door lock actuator.

3. If the concern is not evident, Symptom Related Diagnostic Procedures