General Information

Adaptive Front Lighting System
B2325 Swivel module fault left - General Information

Component Location





General Description

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.

DTC Description

AFLS ECU set this code If critical faulty in left side swivel actuator and AFLS OFF lamp is flickered.

DTC Detecting Condition





Diagnostic Circuit Diagram





Signal Waveform & Data




Fig.1) LIN communication Signal Waveform.