LIN communication circuit inspection

IG "ON" & ENG "ON".
After connect GDS, select "Oscilloscope" mode.
Measure the signal waveform between headlamp (LH)'s LIN communication of wiring side.
Specification: Refer to "SIGNAL WAVEFORM "

Fig 1: Measuring Signal Waveform Between Headlamp (LH) LIN Communication Of Wiring Side
Courtesy of HYUNDAI MOTOR AMERICA
Is "voltage" display near the specified value?
YES
- Go to "COMPONENT INSPECTION " procedure.
NO
- Check for open/short in harness.
- Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.