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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1578 (Interior Lighting (Except Electric)) >> Diagnosis And Testing >> Interior Lighting >> 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: Interior Lighting 

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 flash on and off The BCM is not configured correctly This symptom is present due to incomplete or improper PMI procedures. REPEAT/PERFORM the PMI procedure as directed by the scan tool. REFER to: Module Configuration - System Operation and Component Description .
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 I 
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 
The luggage compartment lamp is inoperative or on continuously Refer to the Pinpoint Test GO to Pinpoint Test E 
One or more demand lamps are inoperative Refer to the Pinpoint Test GO to Pinpoint Test F 
The battery saver does not deactivate after timeout Refer to the Pinpoint Test GO to Pinpoint Test G 
The ambient lighting is inoperative or always on Refer to the Pinpoint Test GO to Pinpoint Test H 
An individual ambient lighting LED is inoperative or does not change color Refer to the Pinpoint Test GO to Pinpoint Test J