Symptom Chart: Headlamps
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to SERVICE INFORMATION , Diagnostic Methods for information regarding Ford-specific diagnostic practices.
Symptom Chart: Headlamps
| Condition | Possible Sources | Actions |
| A module does not respond to the scan tool | Fuse Wiring, terminals or connectors Module |
REFER to COMMUNICATIONS NETWORK , Symptom Chart: Communication Network. |
| The automatic high beam feature is inoperative | Windshield debris Interior rear view mirror |
GO to Pinpoint Test A . |
| One or both low beams are inoperative | Fuse Bulb Wiring, terminals or connectors Ballast Headlamp assembly BCM |
VERIFY the bulbs are OK. If OK, GO to Pinpoint Test B |
| One or both high beams are inoperative | Fuse Wiring, terminals or connectors Multifunction switch Headlamp assembly SCCM BCM |
VERIFY the bulbs are OK. If OK, GO to Pinpoint Test C . |
| The low beams are on continuously | Wiring, terminals or connectors Headlamp switch (integrated into the FLM) Headlamp assembly BCM |
GO to Pinpoint Test D . |
| The high beams are on continuously | Wiring, terminals or connectors Multifunction switch Headlamp assembly SCCM BCM |
GO to Pinpoint Test E |
| The flash-to-pass feature is inoperative | Multifunction switch BCM |
GO to Pinpoint Test F |