Matrix Led Headlamp, Calibrating Using Headlamp Adjusting Unit: Vas621001: Procedure
-- Align the :VAS621001 at the distance -a- = 100 mm to the vehicle center. Refer to the Headlamp Adjusting Unit VAS621001 Owner's Manual.
-- Check the parallel alignment of the :VAS621001 to the vehicle transverse axis by aligning the :VAS621001 laser beam on the left and right front fender bolts -arrows-.
-- Push the :VAS621001 in front of the left headlamp to check the parallel alignment again.
- To prevent a glare for other motorists, pay attention to the exact orientation of the headlamp adjusting unit.
Calibrating Procedure
The Vehicle Diagnostic Tester is connected.
-- Select and start the Diagnostic operating mode.
-- Select the Test plan tab.
-- Select the Select individual test button and select the following tree structure consecutively:
- Body
- Electrical equipment
- 01 - OBD-capable systems
- 09 - Vehicle Electrical System Control Module J519
- 09 - Vehicle Electrical System Control Module functions
- 09 - Adjusting headlamps
Start the selected program and follow the instructions on the Vehicle Diagnostic Tester display. The low beam must be adjusted first for this procedure. Refer to LED HEADLAMP, ADJUSTING, VEHICLES FROM MY 2017 .
Further along in the program sequence a request is made to determine/read and to input the angle value of the inner segment edge of the left headlamp in the headlamp adjusting unit.
-- Center the light collecting box lens to the headlamp reference segment.
-- To do so, press the "OEM" button -arrow- in the main menu on the :VAS621001 to start the measurement procedure.
-- Select "Audi" -arrow-.
Shown on display:
-- Press the button -arrow-.
Shown on display:
-- Press the button -arrow-.
-- Wait a moment until the light measurement is active.
Shown on display:
- The angle values of the inner reference segment edge are displayed.
-- Enter the angle value -arrow- of the inner reference segment edge in the Vehicle Diagnostic Tester. While doing so, pay attention to the sign if necessary.
Further along in the program sequence a request is made to determine/read and to input the angle value of the inner segment edge of the right headlamp in the headlamp adjusting unit.
-- Align the :VAS621001 at the distance -a- = 100 mm to the center of the vehicle. Refer to the Headlamp Adjusting Unit VAS621001 Owner's Manual.
-- Check the parallel alignment of the :VAS621001 to the vehicle transverse axis by aligning the :VAS621001 laser beam on the left and right front fender bolts -arrows-.
-- Push the :VAS621001 in front of the right headlamp and check the parallel alignment again.
-- Center the light collecting box lens to the headlamp reference segment.
Shown on display:
-- Press the button -arrow-.
-- Wait until the light measurement is complete.
Shown on display:
- The angle values of the inner reference segment edge are displayed.
-- Enter the angle value -arrow- of the inner reference segment edge in the Vehicle Diagnostic Tester. While doing so, pay attention to the sign if necessary.
-- After completing the calibration, read the DTC memory and correct any existing faults.