Connect GDS to DLC(Data Link Cable).

Ignition "ON" and engine "OFF".

Check the "Actuation Test" with GDS.

Fig.1) Sensor Origin Point Setting of Actuation Test of "AHLS".

Is the parameter changed as shown above?

	▶ The system is operating correctly at this time. Go to "Verification of Vehicle Repair" procedure.
	▶ Go to "S/W Management" procedure.

Connect GDS to DLC(Data Link Cable).

Ignition "ON" and engine "OFF".

Perform the "Headlamp Levelling" of "Vehicle S/W Management".

Fig.1) The First Screen of Vehicle S/W Management of "AHLS".

Select "OK".

Fig.2) The Screen of "Parameter Setting & Zero Position Initial"

Fig.3) The Screen for checking that vehicle is empty.

Fig.4) The Screen of Final Step of "Parameter Setting & Zero Position Initial"

Is this function finished as shown above?

	▶ The system is operating correctly at this time. Go to "Verification of Vehicle Repair" procedure.
	▶ Retry all of procedures once again. If the AHLS(Auto Headlamp Leveling System) ECU is in abnormal condition, replace it. Go to "Verification of Vehicle Repair" procedure.