Symptom Charts

Symptom Chart: DRL

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

Symptom Chart

NOTE: Before beginning diagnostics, refer to DESCRIPTION AND OPERATION for proper DRL operation.

Condition	Possible Sources	Actions
A module does not respond to the diagnostic scan tool	Fuse Wiring, terminals or connectors Module	REFER to: Controller Area Network (CAN) Module Communications Network .
The DRL are inoperative or always on	Refer to the Pinpoint Test.	GO to Pinpoint Test A
One or both LEDDRL /front park 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 .