LIN (Local Interconnect Network) is direct communication system to low-cost for electric system of vehicle. AFLS ECU controls the position of headlamp by using LIN which calculates input signals of height sensor, vehicle speed and steering wheel position. Swivel Actuator controls left / right position of Headlamp, also ISM(Intelligent Stepper Motor) controlsup/down position of headlamp.Ballast checks HID bulb lighting status and faulty, and then transfer the result to AFLS ECU.
If there are LIN Communication error for Left Ballast, The AFLS ECU sets the B2205 code.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Signal monitoring | 1. LIN Communication circuit is opened/shorted 2. Ballast connection is opened/shorted |
Enable Conditions |
•
HID Bulb ON status | |
Threshold Value |
•
Ballast LIN communication error (Left) | |
Detecting time |
•
3sec | |
Fail Safe |
•
Don't Variable Control
•
Operate standard mode | |
Check Lamp |
•
OFF (Cluster) |
