LIN (Local Interconnect Network) is direct 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 mechanically faulty in ISM of right side headlamp.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Signal monitoring | 1. Headlamp |
Enable Conditions |
•
IG ON | |
Threshold Value |
•
internal circuit Short
•
Temperature rising over the 155℃ | |
Detecting time |
•
3sec | |
Fail Safe |
•
Swivelling operation is normal left Levelling : stop with persent status right Levelling : operation is normal | |
Check Lamp |
•
NO |
Fig.1) LIN communication Signal Waveform
