8568777-8568767-8568835-8568845-8568757-8568796

Component Location

1. AFLS ECU

2. Head Lamp

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 LIN communication line short to battery or ground.almost cause of this DTC is LIN communication line or faulty headlamp.

DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	• Signal monitoring	1. LIN communication circuit short/open 2. Faulty in Headlamp
Enable Conditions	• IG ON
Threshold Value	• LIN communication circuit short to battery or short to ground
Detecting time	• 1sec.
Fail Safe	• Swivelling : stop at present status • Levelling : stop at present status
Check Lamp	• AFLS warning lamp on

Diagnostic Circuit Diagram

Signal Waveform & Data

Fig.1) LIN communication Signal Waveform