Symptom Chart: Daytime Running Lamps (DRL)
WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
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 |
REFER to: Communications Network . |
| 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 more daytime running lamp assembly Light Emitting Diodes (LEDs) are inoperative | Daytime running lamp assembly | If all the daytime running lamp assembly Light Emitting Diodes (LEDs) are inoperative, GO to Pinpoint Test A If individual daytime running lamp assembly Light Emitting Diodes (LEDs) are inoperative, INSTALL a new daytime running lamp assembly. REFER to: Daytime Running Lamp . |
| One or more LED signature lamp (part of headlamp assembly) Light Emitting Diodes (LEDs) are inoperative | Headlamp assembly | If all the LED signature lamp Light Emitting Diodes (LEDs) are inoperative, GO to Pinpoint Test A If individual LED signature lamp Light Emitting Diodes (LEDs) are inoperative, INSTALL a new headlamp assembly. REFER to: Headlamp Assembly . |
| The LH and RH LED signature lamps are not the same intensity | Wiring, terminals or connectors Park/turn lamp Headlamp assembly |
Diagnose: The Front Parking (LED Signature) Lamps Are Not The Same Intensity. REFER to: Parking, Rear and License Plate Lamps . |