LKAS is a device that maintains the vehicle within a lane by detecting the lane via a camera, calculating the vehicle position and the steering force required to keep the vehicle running in the center of the lane, and controlling the vehicle accordingly. The system consists of a LKAS unit, cluster, MDPS and power switch. LKAS provides reaction control mode that supports steering force to prevent the vehicle from getting out of a lane, and lane-keeping control mode that controls steering force to keep the vehicle running in the center of a lane. Based on vehicle speed signals transmitted via Cluster, LKAS determines the vehicle speed to control steering force.
While communicating with the Cluster module via CAN, if the CLU message is not received for a certain period of time, the LKAS module generates the fault code C165687 and turns on the Malfunction Indicator Lamp.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Detect a CAN communication signal | 1. Poor contact with a connector 2. Open or short-circuited CAN communication line 3. IPM 4. CLUSTER |
Enable Conditions |
•
If the vehicle speed is 50 KPH or faster when IG is “ON” or the engine is “ON.” | |
Threshold Value |
•
If the transmission cycle of a Cluster message increases to 200%+ for more than 5 times | |
Diagnostic Time |
•
Immediately |
