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 >> Parking, Rear and License Plate Lamps >> 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: Parking, Rear and License Plate Lamps 

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 .
All the parking lamps are always on Refer to the Pinpoint Test GO to PINPOINT TEST A : ALL THE PARKING LAMPS ARE ALWAYS ON 
All front parking and, if equipped, front side fender marker, grille marker and rear bed marker lamps are inoperative Refer to the Pinpoint Test GO to PINPOINT TEST B : ALL FRONT PARKING AND, IF EQUIPPED, FRONT SIDE FENDER MARKER, GRILLE MARKER AND REAR BED MARKER LAMPS ARE INOPERATIVE 
All front parking and, if equipped, front side fender marker, grille marker and rear bed marker lamps are always on Refer to the Pinpoint Test GO to PINPOINT TEST C : ALL FRONT PARKING AND, IF EQUIPPED, FRONT SIDE FENDER MARKER, GRILLE MARKER AND REAR BED MARKER LAMPS ARE ALWAYS ON 
An individual front parking lamp is inoperative - halogen headlamps Refer to the Pinpoint Test GO to PINPOINT TEST D : AN INDIVIDUAL FRONT PARKING LAMP IS INOPERATIVE - HALOGEN HEADLAMPS 
An individual front parking lamp is inoperative - LED or High Intensity Discharge (HID) headlamps Refer to the Pinpoint Test GO to PINPOINT TEST E : AN INDIVIDUAL FRONT PARKING LAMP IS INOPERATIVE - LED (LIGHT EMITTING DIODE) OR HIGH INTENSITY DISCHARGE (HID) HEADLAMPS 
An individual front side marker lamp is inoperative or always on - halogen headlamps Refer to the Pinpoint Test GO to PINPOINT TEST F : AN INDIVIDUAL FRONT SIDE MARKER LAMP IS INOPERATIVE OR ALWAYS ON - HALOGEN HEADLAMPS 
An individual front side marker lamp is inoperative - LED headlamps Refer to the Pinpoint Test Install a new headlamp assembly. REFER to: Headlamp Assembly .
An individual front side fender marker or rear bed marker lamp is inoperative Refer to the Pinpoint Test GO to PINPOINT TEST H : AN INDIVIDUAL FRONT SIDE FENDER MARKER OR REAR BED MARKER LAMP IS INOPERATIVE 
An individual or all grille marker lamps only are inoperative Refer to the Pinpoint Test GO to PINPOINT TEST I : AN INDIVIDUAL OR ALL GRILLE MARKER LAMPS ONLY ARE INOPERATIVE 
An individual or all rear parking, license plate and, if equipped, exterior mirror, roof marker and high-mounted stoplamp parking lamps are inoperative Refer to the Pinpoint Test GO to PINPOINT TEST J : AN INDIVIDUAL OR ALL REAR PARKING, LICENSE PLATE AND, IF EQUIPPED, EXTERIOR MIRROR, ROOF MARKER AND HIGH-MOUNTED STOPLAMP PARKING LAMPS ARE INOPERATIVE 
All rear parking, license plate and, if equipped, exterior mirror, roof marker and high-mounted stoplamp parking lamps are always on Refer to the Pinpoint Test GO to PINPOINT TEST K : ALL REAR PARKING, LICENSE PLATE AND, IF EQUIPPED, EXTERIOR MIRROR, ROOF MARKER AND HIGH-MOUNTED STOPLAMP PARKING LAMPS ARE ALWAYS ON 
All rear parking, license plate and, if equipped, rear bed marker lamps are inoperative Refer to the Pinpoint Test REPAIR the rear parking, license plate and, if equipped, rear bed marker lamps ground circuit for an open.
An individual roof marker lamp is inoperative Refer to the Pinpoint Test GO to PINPOINT TEST G : AN INDIVIDUAL ROOF MARKER LAMP IS INOPERATIVE 
An individual or both exterior mirror parking lamps and/or the high-mounted stoplamp parking lamp is inoperative Refer to the Pinpoint Test GO to PINPOINT TEST L : AN INDIVIDUAL OR BOTH EXTERIOR MIRROR PARKING LAMPS AND/OR THE HIGH-MOUNTED STOPLAMP PARKING LAMP IS INOPERATIVE