Pinpoint Test C : All DIMMABLE Non-Networked Illumination Is Always On: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Cluster and Panel Illumination , for schematic and connector information.
Normal Operation
When the parking lamps are on, the Body Control Module (BCM) provides voltage to the hardwired dimmable illumination sources based on the Steering Column Control Module (SCCM) illumination messages sent to the BCM over the network.
DTC Fault Trigger Conditions:
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1314:15 | White Lighting (Reflective Controls) Illumination Output Circuit Short To Battery Or Open | A continuous and on-demand DTC that sets when the BCM detects a short to ground from the white lighting output circuit. |
| B1315:15 | Backlighting (Non Reflective Controls) Illumination Output Circuit Short To Battery Or Open | A continuous and on-demand DTC that sets when the BCM detects a short to ground from the backlighting output circuit. |
Possible Sources
- Wiring, terminals or connectors
- BCM