Pinpoint Test G : Radio Interference: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
Radio Interference
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for more information.
Refer to Charging System for schematic and connector information.
Normal Operation and Fault Conditions
The generator radio suppression equipment reduces interference transmitted through the speakers by the vehicle electrical system.
Possible Sources
- Generator
- In-vehicle entertainment system
- Wiring, terminals or connectors
Visual Inspection and Diagnostic Pre-checks
- Inspect the generator.
- Inspect the in-vehicle entertainment system.
- Inspect for loose or corroded connections.