Adaptive Cruise Control (Acc), Adjusting: Procedure
The procedure is described for a :VAS6331 .
- Observe the test requirements. Refer to AXLE ALIGNMENT TEST REQUIREMENTS .
- Measurement Preparations for Calibrating and Adjusting Driver Assist Systems. Refer to MEASUREMENT PREPARATIONS FOR CALIBRATING/ALIGNING THE DRIVER ASSIST SYSTEMS, QUICK ACCESS MODE .
-- Check sensors and retainers for damage, external influence and secure fit. Service any damaged components.
-- Check the front bumper cover for damage, cracks and secure fit. Service any damaged components.
-- Drive the vehicle "straight" onto the alignment rack. Switch off the ignition when the vehicle has come to a stop.
-- Check the DTC memory for adaptive cruise control (ACC). Fix all displayed entries.
-- Position the front wheels so they are straight.
-- Install quick-action clamps on the wheels.
-- Mount the reflectors on the quick-action clamps.
-- Carry out wheel run-out compensation.
-- Remove the left and right air intake grille. Refer to CENTER AIR INTAKE GRILLE, REMOVING AND INSTALLING / SIDE AIR INTAKE GRILLE, REMOVING AND INSTALLING / LOWER SIDE AIR INTAKE GRILLE, REMOVING AND INSTALLING .
-- Remove any dirt that may be on the sensor lens.
-- Select the ACC calibration button on the wheel alignment computer.
- The ACC Setting Device must not be moved on the calibration beam.
-- Position the :VAS6430/1A at distance -a- from the center of the :VAS6430/3 -1- up to the Audi rings.
- Dimension -a- = 120 ± 2.5 cm
-- Place the Camera :VAS6331/1 -1- for the ACC adjustment on the :VAS6430 on the right side and tighten.
-- Move the :VAS6430/3 -1- to the right on the vertical slits.
-- Adjust the knob on the :VAS6430/3 -1- so that the number "2" is facing the line marking -arrows-.
-- Adjust the :VAS6430 by moving the reflector mirror -2- at the side, so that the laser beam strikes the sensor lens -1-.
-- Level the bubble level -A- on the :VAS6430/3 -5- using the adjusting screw -1-.
-- Level the bubble level -B- using the adjusting screw -2-.
-- Adjust the height of the reflector mirror with the crank -arrow-, so that the laser beam is in the vertical center of the sensor lens.
-- If necessary, reposition the reflector mirror at the side on the calibration beam, until the laser beam is in the horizontal center of the sensor lens.
-- Turn the fine adjustment screw -4- until the display on the wheel alignment computer is within the tolerance range.
-- Using the laser beam on the reflector mirror, check again if the laser beam contacts the center of the sensor lens. If necessary align the reflector mirror again.
-- Turn on the Vehicle Diagnostic Tester.
-- Switch the ignition on.
-- 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 system
- 0001 - OBD-capable system
- 0013 - Distance Regulation Control Module J428
- 0013/8B - Distance Regulation Control Module, functions
- 0013/8B - Adjustment
-- Start the selected program and follow the instructions on the Vehicle Diagnostic Tester display.
-- The fine adjustment of the Distance Regulation Control Module -J428- takes place via the upper bolts -1 and 2- with the :VAS272001 .
-- When the Distance Regulation Control Module -J428- is successfully adjusted perform the procedure on the Distance Regulation Control Module 2 -J850-.
The procedure for adjusting the Distance Regulation Control Module 2 -J850- is identical to adjusting Distance Regulation Control Module -J428-. To do this, convert the :VAS6430/3 and Camera :VAS6331/1 to the opposite side of the calibration beam.
-- Select The Following Tree Structure For The Adjustment:
- Body
- Electrical system
- 01 - OBD-capable systems
- 8B - Distance Regulation Control Module II J850
- 8B - Distance Regulation Control Module, functions
- 13/8B - Adjustment
-- The fine adjustment of the Distance Regulation Control Module 2 -J850- takes place via the bolts -1 and 2- with the Screwdriver with T-bar VAS272001:VAS272001 .
The ACC adjustment is confirmed when "output diagnostic test complete" appears in the Vehicle Diagnostic Tester.
-- Switch off the ignition.
-- Disconnect the Vehicle Diagnostic Tester from the diagnostic connector.
-- Disconnect The Battery Charger. Refer to BATTERY, CHARGING / BATTERY, DISCONNECTING AND CONNECTING .
-- Install The Air Intake Grille. Refer to CENTER AIR INTAKE GRILLE, REMOVING AND INSTALLING / SIDE AIR INTAKE GRILLE, REMOVING AND INSTALLING / LOWER SIDE AIR INTAKE GRILLE, REMOVING AND INSTALLING .