HID HEADLAMP, ADJUSTING, From MY 2013: Notes

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Test And Adjusting Conditions

Tire pressure is OK.
The headlamp glass must be clean and dry.
The headlamp glass must not be damaged.
Headlamp reflectors and bulbs are OK.

Vehicle Load On Driver Seat In Otherwise Unloaded Vehicle (Curb Weight).

One person or 75 kg (165 lbs).

The Curb Weight Is The Weight Of The Operational Vehicle With A Completely Full Fuel Tank, Including The Weight Of All Equipment Carried While In Operation.

Fuel tank: at least 90% full.
Equipment: For Example, Spare Tire, Tools, Vehicle Jack, Fire Extinguisher, etc.

If The Fuel Tank Is Not At Least 90% Full, The Load Must Be Created As Follows;

-- Check the fuel tank fill level on the fuel gauge in the instrument cluster and compare it with the following table. Place additional weight in the luggage compartment, if necessary.

Fuel Gauge	Additional Weight in kg (lbs)
1/4	45 (99)
1/2	30 (66)
3/4	15 (33)
full	0
Example: If The Fuel Tank Is Half Full, An Additional 30 Kg Must Be Placed In The Luggage Compartment.

NOTE:

Use Containers Filled With Water As Additional Weight (A 5 Liter Container Filled With Water Weighs Approximately 5 Kg (11 lbs)).

Roll The Vehicle Several Meters Or Move It Back And Forth Several Times To Set The Springs.
The Electro-Mechanical Parking Brake Must Not Be Engaged So That The Vehicle Is Not Under Stress.
The Vehicle And Headlamp Adjusting Unit Must Be On A Level Surface.
The Headlamp Adjusting Unit Must Be Aligned To The Vehicle. Refer To The Headlamp Adjusting Unit Operating Instructions.

Fig 1: Headlamp Adjuster Distance
Courtesy of AUDI OF AMERICA, LLC
The Headlamp Adjusting Unit Must Be Distance -A- 30 To 50 cm In Front Of The Headlamp And Should Not Deviate More Than Dimension -b- = 3 Cm From The Center Point Of The Headlamp.
The Angle Dimension Is Set On The Headlamp Adjusting Unit. Refer To The Headlamp Adjusting Unit Operating Instructions.
The Angle Dimension -Arrow- Is Stamped For ECE Countries On The Upper Edge Of The Headlamp -1- In "%".

Fig 2: Identifying Angle Dimension -Arrow- Is Stamped On Upper Edge Of Headlamp -1- In "%"
Courtesy of AUDI OF AMERICA, LLC
The Angle Dimension For The USA Is 0.0%.

NOTE:

The Percentage Value Is Based On A 10 Meter Projection Distance. Example: An Angle Dimension Of 0.7% Converts To 7 cm. An Angle Dimension Of 0.0% Is 0 cm.

Preliminary Work

-- The Vehicle Must Be On A Level Surface.

-- Turn the light switch to "low beam" - not to "Auto".

-- Close all the doors and the rear lid and keep them closed for the duration of the testing/adjusting procedure.

-- Connect the Vehicle Diagnostic Tester.

-- Select the Diagnostic mode and start the diagnosis.

-- Select the Test plan tab.

-- Press the Select individual tests button and select the following one after the other:

Body
Electrical Equipment
01 - OBD-capable systems
09 - Vehicle Electrical System Control Module J519
09 - Vehicle Electrical System Control Module, functions
09 - Headlamp basic setting, (Rep.-Gr. 94)

NOTE:

The headlamps move into the basic setting with this program.

-- During the program, it will be asked to perform a headlamp adjustment.