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8. | Working with the Device
8.7.6. Audi Matrix LED Headlights/HD Matrix LED Headlights
For the Audi Matrix LED headlights, adjusting screws are no longer available for setting the high beam distribution. The
core of the Matrix LED headlight is the glare-free high beam, implemented with a mechanism-free system. Oncoming
traffic or preceding vehicles are not blinded by high beam lights that are always on. A camera detects oncoming and pre-
ceding vehicles and omits them from the high beam distribution by dimming or switching off individual LEDs from the high
beam lighting. Once a vehicle is no longer located in the line of sight of the driver, then the system switches the full beam
back on again.
8.7.6.1. Performing Matrix/HD Matrix LED Headlight Test of High Beam
NOTICE
You require a diagnostic device to perform matrix/HD matrix LED headlight tests.
Certain LEDs are switched on, depending on the model, with a diagnostic device. Evaluation takes place by
using the position of the light distribution. If there is a deviation, then transmit the correction value to the
corresponding ECU by using the diagnostic device.
Observe manufacturer's specifications.
NOTICE
Perform the headlight test on the left and right headlight respectively.
Proceed as follows to perform the matrix-/HD matrix LED headlight test of high beam:
1. Perform the steps 1 to 8 as described in section Performing Adaptive Light Control Tests [} 146].
2. Call up the vehicle testing/calibration mode from the diagnostic device.
3. Follow the instructions on the display of the diagnostic device.
The light distribution of the headlight is displayed on the test screen.
4. Enter the horizontal value in the diagnostic device.
5. HD matrix LED headlight test: Enter the horizontal and vertical values in the diagnostic device. Regard the algebraic
signs (+/-) here.
6. Confirm your input with
The date and time of the adjustment are displayed next to the symbol.
7. Repeat steps 2-5 to test the second headlight.
144
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