Pinpoint Test A : The Lane Keeping System Does Not Turn On Or Activate: 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 Power Mirrors for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Lane Keeping System - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B13A6:14 | Lane Departure Warning (LDW) Switch Input: Circuit Short To Ground or Open | An on-demand and continuous memory DTC that sets in the IPMA if the IPMA detects the lane keeping system switch input circuit is open or shorted to ground. |
Possible Causes
- Dirty, scratched or obstructed windshield and/or camera
- IPMA overheating condition
- Communication network concern
- Wiring, terminals or connectors
- Lane keeping system switch
- PSCM concern
- SCCM concern
- BCM concern
- CCM concern
- IPC concern
- RCM concern
- PCM concern
- GWM concern
- IPMA concern
Visual Inspection and Diagnostic Pre-Checks
- Certain Lane Keeping System (LKS) concerns can be caused by the IPMA being too cold or overheating due to heavy sunload. Prior to diagnosing a lane keeping system concern, allow the vehicle to warm up or remove the vehicle from direct sunlight. RECHECK after 10 minutes.
- Inspect the Lane Keeping System (LKS) settings in the IPC message center to be sure the concern is not caused by a system setting.