Pinpoint Test C : One Or Both Front Fog Lamps Are On Continuously: Notes
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Wiring Diagram Fog Lamps for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Exterior Lighting - Overview .
REFER to: Exterior Lighting - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1046:11 | Front Fog Lamp Control Switch: Circuit Short To Ground | A continuous and on-demand DTC that sets when the BCM detects a short to ground on the headlamp switch input circuits. |
| B1147:15 | Left Front Fog Lamps: Circuit Short To Battery or Open | A continuous memory and on-demand DTC that sets when the BCM detects an open from the LH fog lamp output circuit. |
| B1148:15 | Right Front Fog Lamps: Circuit Short To Battery or Open | A continuous and on-demand DTC that sets when the BCM detects a short to voltage from the RH fog lamp beam output circuit. |
Possible Sources
- Wiring, terminals or connectors
- Headlamp switch
- BCM
Visual Inspection and Diagnostic Pre-checks
- Inspect the headlamp switch for damage.