LEMON Manuals: Even more car manuals for everyone
Home >> Lincoln >> 2021 >> Nautilus Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting - Description And Operation, Diagnosis And Testing >> Diagnosis And Testing >> Headlamps >> Symptom Chart: Headlamps

Symptom Chart: Headlamps

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Condition Possible Sources Actions
A module does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
Module
One or both low beams is inoperative Refer to the Pinpoint Test GO to Pinpoint Test A 
One or both high beams is inoperative Refer to the Pinpoint Test GO to Pinpoint Test B 
One or both low beams are on continuously Refer to the Pinpoint Test GO to Pinpoint Test C 
One or both high beams are on continuously Refer to the Pinpoint Test GO to Pinpoint Test D 
The flash-to-pass feature is inoperative Refer to the Pinpoint Test GO to Pinpoint Test E 
The automatic high beam feature is inoperative Refer to the Pinpoint Test GO to Pinpoint Test F 
One or both signature lamps do not dim with the parking lamps ON or do not brighten when the parking lamps are OFF Refer to the Pinpoint Test REFER to: Parking, Rear and License Plate Lamps .
The automatic headlamp leveling is inoperative/does not operate correctly Refer to the Pinpoint Test GO to Pinpoint Test K 
scientia non olet · About LEMON Manuals