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Home >> Ford >> 2015 >> Transit-350 HD Base, Van Cargo Extended >> Repair and Diagnosis >> External Pages >> Different car >> Section 259 (Interior Lighting System) >> Diagnosis And Testing >> Interior Lighting >> Symptom Chart: Interior Lighting
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Symptom Chart: Interior Lighting

WARNING: This page is about a different car, the 2017 Ford F-550 Super Duty, 2017 Ford F-450 Super Duty, 2017 Ford F-350 Super Duty, and 2017 Ford F-250 Super Duty. 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 .

Condition Possible Sources Actions
A module does not respond to the scan tool Fuse
Wiring, terminals or connectors
Module
REFER to: Communications Network .
The courtesy lamps do not illuminate with a door open Refer to the Pinpoint Test GO to Pinpoint Test A 
One or more interior courtesy lamps are inoperative Refer to the Pinpoint Test GO to Pinpoint Test B 
A puddle lamp is inoperative or always on Refer to the Pinpoint Test GO to Pinpoint Test G 
All the courtesy lamps stay on continuously Refer to the Pinpoint Test GO to Pinpoint Test C 
The interior courtesy lamps stay on continuously Refer to the Pinpoint Test GO to Pinpoint Test D 
One or more demand lamps are inoperative Refer to the Pinpoint Test GO to Pinpoint Test E 
The cargo lamps, bed lamps, front door scuff plate lamps, running board lamps or trailer assist lamp is inoperative or always on Refer to the Pinpoint Test GO to Pinpoint Test J 
The battery saver does not deactivate after time-out Refer to the Pinpoint Test GO to Pinpoint Test F 
The ambient lighting is inoperative or always on Refer to the Pinpoint Test GO to Pinpoint Test H 
One or more of the ambient lighting Light Emitting Diodes (LEDs) are inoperative or do not change color/intensity Refer to the Pinpoint Test GO to Pinpoint Test I