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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1577 (Exterior Lighting (Except Electric)) >> Diagnosis And Testing >> Daytime Running Lamps (DRL) >> Symptom Chart(s)

Symptom Chart(s)

WARNING: This page is about a different car, the 2018 Ford Focus. 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 .

Symptom Chart: DRL 

Symptom Chart 

Condition Possible Sources Actions
A module does not respond to the scan tool Fuse
Wiring, terminals or connectors
Module
REFER to: Communications Network .
The DRL are inoperative (halogen headlamps not equipped with headlamp LED signature lamps) Refer to the Pinpoint Test GO to PINPOINT TEST A : THE DRL (DAYTIME RUNNING LAMPS) ARE INOPERATIVE (HALOGEN HEADLAMPS NOT EQUIPPED WITH HEADLAMP LED (LIGHT EMITTING DIODE) SIGNATURE LAMPS) 
The DRL are inoperative (High Intensity Discharge (HID) headlamps and halogen headlamps equipped with headlamp LED signature lamps) Refer to the Pinpoint Test GO to PINPOINT TEST B : THE DRL (DAYTIME RUNNING LAMPS) ARE INOPERATIVE (HIGH INTENSITY DISCHARGE (HID) HEADLAMPS AND HALOGEN HEADLAMPS EQUIPPED WITH HEADLAMP LED (LIGHT EMITTING DIODE) SIGNATURE LAMPS) 
The DRL are always on (High Intensity Discharge (HID) headlamps and halogen headlamps equipped with headlamp LED signature lamps) Refer to the Pinpoint Test GO to Pinpoint Test C 
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 (Headlamp LED Signature) Lamps Are Not The Same Intensity. REFER to: Parking, Rear and License Plate Lamps  .