Symptom Chart: DRL
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods
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 |
|
| The DRL are inoperative | Refer to the Pinpoint Test | GO to Pinpoint Test A |
| The DRL are always on | Refer to the Pinpoint Test | GO to Pinpoint Test B |
| One or both LED DRL/front park lamps do not dim with the parking lamps ON or do not brighten when the parking lamps are OFF - Mid and high series headlamps | Refer to the Pinpoint Test | REFER to: Parking, Rear and License Plate Lamps |