LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 660 (Exterior Lighting) >> Diagnosis And Testing >> Headlamps >> Symptom Chart(s)

Symptom Chart(s)

WARNING: This page is about a different car, the 2015 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart: Headlamps 

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

Symptom Chart 

Condition Possible Sources Actions
A module does not respond to the diagnostic scan tool Fuse
Wiring, terminals or connectors
Module
REFER to: Communications Network .
One or both low beams is inoperative Refer to the Pinpoint Test GO to PINPOINT TEST A : ONE OR BOTH LOW BEAMS IS INOPERATIVE 
One or both high beams is inoperative Refer to the Pinpoint Test GO to PINPOINT TEST B : ONE OR BOTH HIGH BEAMS IS INOPERATIVE 
One or both low beams are on continuously Refer to the Pinpoint Test GO to PINPOINT TEST C : ONE OR BOTH LOW BEAMS ARE ON CONTINUOUSLY 
One or both high beams are on continuously Refer to the Pinpoint Test GO to PINPOINT TEST D : ONE OR BOTH HIGH BEAMS ARE ON CONTINUOUSLY 
The flash-to-pass feature is inoperative Refer to the Pinpoint Test GO to PINPOINT TEST E : THE FLASH-TO-PASS FEATURE IS INOPERATIVE 
The automatic high beam feature is inoperative Refer to the Pinpoint Test GO to PINPOINT TEST F : THE AUTOMATIC HIGH BEAM FEATURE IS INOPERATIVE .