The LDWS ECU uses memory management to check proper operation of ECU hardware. If the LDWS ECU detects abnormal operation in the ECU hardware, the LDWS ECU sets this DTC and turns warning lamp on.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Internal monitoring | 1. ECU - Memory connect error 2. ECU - Memory error |
Enable Condition |
•
Ignition "ON" or Engine "ON" | |
Threshold value |
•
Data mismatch while SDRAM Data checksum. | |
Detecting time |
•
310 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.