If you did not carry out camera calibration for lane recognition, the ECU sets C2721 DTC and then the LDWS warning lamp is blinking at the cluster.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Inline test result monitoring | 1. Calibration was not carried out 2. Calibration failed - Failed to remove of lens cap - LDWS Calibration board obscured - Wrong installation of LDWS Calibration board |
Enable Condition |
•
After Inline test | |
Threshold value |
•
Camera calibration was not carried out | |
Detecting time |
•
8 ms |
Typically, lane departure warning is activated at a speed over Approx 37.3 mile, in case of unintentional lane departure when driver do not operate turn signal.
LDWS has limited lane recognition capabilities when it comes to sharp-bending roads, no or faded lane markings, low visibility due to foul weather conditions, low light or sudden change in exteriror light condition, sidewalks and other dividing structures along the edge of the lane, or dirty windshield but not only limited to these conditions.