Hid Headlamp, Adjusting (From My 2013)

Checking and adjusting conditions: 

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

Vehicle load on driver's seat in otherwise unloaded vehicle (curb weight).

• One person or 75 kg.

The curb weight is the weight of the operational vehicle with completely full fuel tank, including the weight of all equipment carried in operation.

• Fuel tank: at least 90% full.
• Equipment: for example, spare wheel, tools, vehicle jack, fire extinguisher, etc.

If the fuel tank is not at least 90% full, the load must be created as follows.

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

• Roll the vehicle several yards or move it back and forth several times to seat the springs.
• The electromechanical parking brake must not be engaged so 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 Instructions.
  Fig 1: Headlamp Adjuster Distance

  Courtesy of AUDI OF AMERICA, LLC
• The headlamp adjuster must be distance -a- 30 to 70 cm in front of the headlamp and should not deviate more than dimension -b- = 3 cm from the headlamp center point.
• The inclination dimension is set on the headlamp adjusting unit. Refer to the Headlamp Adjusting Unit Operating Instructions.
• The angle dimension -arrow- is stamped on the upper edge of the headlamp -1- in "%".
  Fig 2: Headlamp Must Be Adjusted According To Angle Dimension Stamped On Headlamp

  Courtesy of AUDI OF AMERICA, LLC

Procedure 

-- The vehicle must be standing on a flat surface.

-- Turn the headlamp switch to "low beam" - not "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.

-- Choose operation mode Diagnosis  and start the diagnosis.

-- Select the tab test plan  .

-- Select select individual tests  and choose the following sequence.

• Body
• Electrical Equipment
• 01 - OBD-capable systems
• 09 - Electronic central electrical J519
• 09 - Vehicle Electrical System Control Module, functions
• 09 - Headlamp basic setting

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

Headlamp adjustment 

• The horizontal light-dark border -4- must touch the dividing line -1- on the adjusting unit test surface.
  Fig 3: Headlamp Adjustment Graph

  Courtesy of AUDI OF AMERICA, LLC
• The point -2- must be positioned exactly in the center - center mark for the line -3-.
• Based on this adjustment, rotate the side adjusting screw 6.5 turns to adjust the side adjustment bend point -2- to the left as shown in the illustration.
  Fig 4: Headlamp Adjustment Graph

  Courtesy of AUDI OF AMERICA, LLC
• The horizontal light-dark border -4- remains unchanged.

-- To adjust the height of the headlamp, set the light-dark border just under the dividing line with the adjustment screw -1-.

Fig 5: Identifying Headlamp Adjusting Screws

Courtesy of AUDI OF AMERICA, LLC

-- Then adjust the light-dark border, starting from the bottom, on the dividing line.

• The side adjustment bolt -2- must be secured with the plugs after the adjustment is made. Allocate the correct plugs.

-- After the headlamp is adjusted, complete the "Basic setting". Switch off the ignition and disconnect the diagnostic connector.