LIN (Local Interconnect Network) isdirect communication system to low-cost for electric system of vehicle.height sensor signal, vehicle speed, steering angle sensor signal are input to AFLS ECU to find out of headlamp position and AFLS ECU drive actuators through LIN communication.AFLS(Adaptive Front-Lighting System) drive Leveling Actuator-Intelligent Stepper Motor for adjusting up and down, and Swivel Actuator for adjusting right and left side.
AFLS ECU set this code If critcal faulty in LIN communication for ISM(Intelligent Stepper Motor) of left side headlamp.
Item
Detecting Condition
Possible Cause
DTC Strategy
Signal monitoring
LIN communication circuit open
Faulty in Headlamp
Enable Conditions
IG ON
Threshold Value
LIN communication(Left side) error of ISM(Intelligent Stepper Motor)
Detecting time
1sec
Fail Safe
Swivelling : normal operation
Before Left Levelling initialization : stop at present status.
After Left Levelling initialization : -1.5% down Right Levelling : -1.5% down
Check Lamp
NO