Lane Change Assistance, Calibrating, Vehicles From My 2017

Special tools and workshop equipment required 

• Calibration Unit: VAS6350A 
• Calibration Tool - Wheel Center Mountings: VAS6350/1 
• Calibration Tool - Spacing Laser: VAS6350/2 
• Calibration Tool - Linear Laser: VAS6350/3 
• Calibration Tool - Lane Change Calibration Tool: VAS6350/4 

Conditions

-- The Lane Change Assistance Control Module -J769- / Lane Change Assistance Control Module 2 -J770- must be calibrated during the following conditions:

• Lane Change Assistance Control Module -J769- or Lane Change Assistance Control Module 2 -J770- was replaced.
• The rear bumper cover was damaged by a parking block, for example.
• The rear bumper cover was removed and installed.
• "No or incorrect basic setting/adaptation" is stored in the DTC memory.

Preparing for Calibration

1. Calibration Tool - Spacing Laser: VAS6350/2 
   • For distance measurement
   • Usage information. Refer to the Calibration Tool VAS6350 Owner's Manual.
2. Calibration Unit: VAS6350A 
3. Level
   • On the Calibration Unit: VAS6350A 
   • To check the horizontal position of the : VAS6350A 
4. Catch Bracket
   • To mount the Calibration Tool - Spacing Laser: VAS6350/2  for the distance measurement
   • Distance to the Calibration Tool - Wheel Center Mountings: VAS6350/1  on the rear wheels: dimension -a- = 1700 ± 2 mm
5. Calibration Tool - Lane Change Calibration Tool: VAS6350/4 
   • Is moved from one side of the measuring field to the other during calibration
   • When installed correctly, the vehicle electrical system voltage line must be connected at lower left of the calibration device (as seen in direction of travel)
6. Calibration Tool - Wheel Center Mountings -VAS6350/1-
   • With wheel bolt adapter and measuring paddle
7. Brand Emblem
   • The laser point is aligned to the center of the brand emblem
8. Measuring Scale
   • For positioning the Calibration Tool - Lane Change Calibration Tool: VAS6350/4 
9. Calibration Tool - Linear Laser: VAS6350/3 
   • With "laser protective eyewear"
   • On the Calibration Unit: VAS6350A 
   • Switching on and off. Refer to Calibration Tool VAS6350 Owner's Manual.
10. Plastic Foot
    • Quantity: 3
    • Can be adjusted when setting the horizontal position of the Calibration Unit: VAS6350A 

Preliminary Work

-- Move the vehicle onto a solid, flat surface.

-- Apply the parking brake - the vehicle must not move during the measurement.

-- Place the front wheels in a straight-ahead position - steering wheel in neutral position.

-- Connect the Vehicle Diagnostic Tester.

-- Switch the ignition on.

-- Remove the label with the metal foil from the bumper cover, if necessary.

-- Secure three suitable wheel bolt adapters for the wheel bolts on each : VAS6350/1  .

-- Insert the measuring paddle at both : VAS6350/1  and secure with the locking nut.

-- Place the : VAS6350/1  onto the wheel bolts on both rear wheels.

• The wheel center mounting rotation center must be in the wheel rotation center.

-- Adjust the measuring paddle using the locking nuts so that they move freely just above the floor.

• The measuring paddles must move easily.
• The measuring paddles must be vertical.

-- Position the : VAS6350A  at distance -a- to the rear wheels.

• Dimension -a- = 1, 700 mm

-- Switch on the : VAS6350/2  with the ON  button.

Display on the : VAS6350/2  :

• "- - - m"

-- For distance measurement, hold the : VAS6350/2  -2- flush to the right catch bracket as shown.

• The : VAS6350/2  must lie firmly against the catch bracket.

-- Make sure the "laser beam" for the distance measurement contacts the lower enlarged part of the measuring paddle -1-.

If that is not the case, correct the measuring paddle height using the locking nuts on the : VAS6350/1  .

-- Briefly press the ON  button for distance measurement.

Display on the : VAS6350/2  :

• "1, 700 m" (specified value: 1700 ± 2 mm).

-- Repeat the measuring procedure from the left catch bracket to the left rear wheel.

• The distance value must be the same on both sides.

If both measured values are not the same, adjust the : VAS6350A  accordingly.

Calibrating Procedure 

The Vehicle Diagnostic Tester is connected.

-- Select the Diagnostic  mode and start the diagnosis.

-- Select the Test plan  tab.

-- Select the Select individual test  button and select the following tree structure consecutively:

• Body
• Electrical system
• 01 - OBD-capable systems
• CF - Lane Change Assistance Control Module 2 -J770
• CF - Lane Change Assistance Control Module 2, Functions
• CF - Calibration

From here, the Vehicle Diagnostic Tester advances the calibration procedure forward.

-- Secure the : VAS6350/4  to the : VAS6350A  mount on the rear left.

Courtesy of AUDI OF AMERICA, LLC

• When installed correctly, the vehicle electrical system voltage wire must be connected at the bottom left of the calibration device (as seen in direction of travel).

Dimension -a- is measured from the upper edge of the calibration device to the floor.

Model	A3 Compact (3-doors)	A3 Sportback	A3 Sedan	A3 Cabriolet	A3 e-tron
	All Versions	All Versions	All Versions	All Versions	All Versions
Adjustment dimension height in mm dimension -a-	838	810	727	736	833

• The indicator on the base of the : VAS6350/4  must align with adjustment dimension on the measuring scale -1- on measuring field -arrow-.

Model	A3 Compact (3-doors)	A3 Sportback	A3 Sedan	A3 Cabriolet	A3 e-tron
	All Versions	All Versions	All Versions	All Versions	All Versions
Left adjustment dimension in mm	639	654	641	641	654

-- Connect the : VAS6350/4  to the vehicle electrical system voltage.

-- Bring the : VAS6350A  into a horizontal position by turning the plastic feet.

• Observe the bubble level (sight glass) on the : VAS6350A  -arrow-.

-- Turn on the : VAS6350/3A  on the : VAS6350A  .

-- Wear "laser protective eyewear".

-- Align the : VAS6350A  so that the : VAS6350/3  strikes the center of the brand emblem on the rear lid.

-- Check the distance on the left and right sides between the catch brackets of the : VAS6350A  and the measuring paddles -1- on wheel mountings again.

• Specified value: 1700 ± 2 mm

Calibration Procedure

The following should not occur during the calibration procedure:

• There must be no metal reflectors within a 2 m radius of the calibration device (for example, tool carts, metal cabinets).
• Vehicle doors must not be opened or closed.
• People must not sit in the vehicle.
• People must not go between the vehicle and the : VAS6350/4  .

Procedure 

-- Turn on the : VAS6350/4  at the power switch -3-.

• The green LED -1- must turn on.

-- Follow the instructions in the vehicle diagnostic tester display.

During the program sequence, there is a prompt to switch the : VAS6350/4  from the left to the right side of the : VAS6350A  .

Courtesy of AUDI OF AMERICA, LLC

-- Turn off the : VAS6350/4  -VAS6350/4- and reposition the calibration tool.

• When installed correctly, the vehicle electrical system voltage wire must be connected at the bottom left of the calibration device (as seen in direction of travel).

Model	A3 Compact (3-doors)	A3 Sportback	A3 Sedan	A3 Cabriolet	A3 e-tron
	All Versions	All Versions	All Versions	All Versions	All Versions
Adjustment dimension height in mm dimension -a-	838	810	727	736	833

• The indicator on the base of the : VAS6350/4  must align with adjustment dimension on the measuring scale -1- on measuring field -arrow-.

Model	A3 Compact (3-doors)	A3 Sportback	A3 Sedan	A3 Cabriolet	A3 e-tron
	All Versions	All Versions	All Versions	All Versions	All Versions
Right adjustment dimension in mm	639	654	641	641	654

-- Turn on the : VAS6350/4  at the power switch -3-.

• The green LED -1- must turn on.

-- Follow the instructions in the vehicle diagnostic tester display.

-- After calibrating the lane change assistance successfully, end "calibration", switch off the ignition and disconnect the diagnostic connector.