Symptom Chart: Lane Departure Warning (LDW)
WARNING: This page is about a different car, the 2013 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this service information assumes a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to
DIAGNOSTIC METHODS
for information about these practices.
SYMPTOM DESCRIPTION - LANE DEPARTURE WARNING (LDW)
| Condition |
Possible Sources |
Actions |
- A module does not communicate with the scan tool
|
- Refer to the diagnostic routine
|
|
- The Lane Departure Warning (LDW) does not turn on or activate
|
- Refer to the diagnostic routine
|
|
- The Lane Departure Warning (LDW) does not provide driver feedback when activated
|
- Refer to the diagnostic routine
|
|
- Early Lane Departure Warning (LDW) feedback on one side and late Lane Departure Warning (LDW) feedback on the other
|
- Camera alignment
- Dirty or cracked windshield
|
- CLEAN the windshield in front of the camera.
- Using a scan tool, PERFORM the CAMERA ALIGNMENT .
|
- Unexpected or degraded Lane Departure Assist (LDA) system feedback
|
- Camera alignment
- Dirty or cracked windshield
|
|
- Lane keeping Sys. Malfunction Service required message in the IPC
|
- Image Processing Module - A (IPM-A)
- PSCM
|
|
- Front Camera Temporarily Not Available message in the IPC
|
- Temporary over temperature condition
|
- Key cycle and CHECK again after 10 minutes.
|
- Front Camera Low Visibility Clean Screen message in the IPC
|
- Dirty or cracked windshield
- Camera windshield defrost heater
- Image Processing Module - A (IPM-A)
|
- CLEAN the windshield in front of the camera.
- CLEAN out debris between the camera and the windshield.
- REPAIR or REPLACE as necessary if the windshield is cracked or chipped in front of the camera.
- DIAGNOSE any Image Processing Module - A (IPM-A) heater DTCs
. REFER to
PINPOINT TEST I
|
- Front Camera Malfunction Service Required message in the IPC
|
- Image Processing Module - A (IPM-A)
|
|
- Lane Departure Warning (LDW) will not turn off
|
|
|