Audi Q5: Adaptive Cruise Control (ACC), Calibrating
Adaptive Cruise Control (ACC), Calibrating, Calibration Procedure with Setting Device Basic Set -VAS6430/1-
Special tools and workshop equipment required
- Vehicle Diagnostic Tester
- Vehicle Diagnosis System - Updated Cable - 3m -VAS5051/5A-
- Setting Device Basic Set -VAS6430/1-
- Wheel Alignment Computer
- ACC Adjuster -VAS6190/2-
Note
- The Setting Device Basic Set -VAS6430/1- may have to be adapted for the adjustment procedure. Refer to → Chapter "Setting Device Basic Set -VAS6430/1- Converting for the Adjustment Procedure".
- Before driving the vehicle onto the alignment stand, check whether there is a sufficiently large space between the vehicle and the Setting Device Basic Set -VAS6430/1A-. The distance between the Setting Device Basic Set -VAS6430/1- and the vehicle must be 120 cm +- 5 cm.
- If there is not enough space, drive vehicle the backward on the alignment stand in order to be able to use the space.
- Before beginning the adjustment, check the DTC memory and correct any malfunctions present.
The adjustment procedure is described here using the Setting Device Basic Set -VAS6430/1A-. The ADC Adjustment Fixture -VAS6041- and the ADC Adjustment Fixture -VAS6041/1A- can also be used.
Note
If there was a previous axle alignment, the steps under "Calibration procedure without a previous axle alignment" should not performed.
Calibration procedure without a previous axle alignment
- Connect the battery charger. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Charging.
- Select the ACC calibration button on the alignment computer.
- Install quick clamps on the rear wheels.
- Install measuring sensors on the rear wheels.
- Perform a rim run-out compensation on the rear wheels.
Note
The Setting Device Basic Set -VAS6430/1- must not be moved on the calibration beam.
Calibration procedure with or without a previous axle alignment
- Release the bracket -1- and remove the air intake grille -2-.
- Remove all dirt on the sensor lens.
- Position the Setting Device Basic Set -VAS6430/1- at a distance -A- of 120 cm +- 5 cm from sensor lens to mirror surface.
WARNING
- Place a toolbox or container weighing approximately 5 to 7 kg on the Setting Device Basic Set -VAS6430/1- before installing the measuring sensors and moving the mirror on the calibration beam.
- If weight is not put on the Setting Device Basic Set -VAS6430/1-, the Setting Device Basic Set -VAS6430/1- could tip over when the mirror is moved and/or when the measuring sensors are installed.
- Load the Setting Device Basic Set -VAS6430/1- with the weight -arrow- as shown in the illustration.
- Mount the front wheel measuring sensors -1- onto the Setting Device Basic Set -VAS6430/1-.
- In area -A-, bring item -2- on rotary knob into alignment with marking on mirror (number 2 on rotary knob must face toward vehicle).
- Now align the Setting Device Basic Set -VAS6430/1- by sliding it sideways -arrows B- so that the laser beam is horizontally centered on the senor lens.
- Bring the bubble levels -2- on the Setting Device Basic Set -VAS6430/1- into balance using adjustment screws -1-.
- Adjust vertical slits -4- on Setting Device Basic Set -VAS6430/1- so that laser beam is centered vertically on sensor lens.
- Adjust the same front axle individual toe settings using fine adjustment screw -3-.
- The difference between individual toe values must be less than 6' or they must be the same.
- Bring bubbles -2- on measurement sensor -1- into balance.
- Now using the laser beam -3- on the Setting Device Basic Set -VAS6430/1-, check if the laser beam contacts the sensor lens.
Note
- If the laser beam still meets the sensor lens at this step after adjusting the same individual toe values, the Setting Device Basic Set -VAS6430/1A- is aligned correctly (positioned).
- If the laser beam does not meet the sensor lens, the Setting Device Basic Set -VAS6430/1A- must be aligned again.
- Connect the Vehicle Diagnostic Tester:
- Connect the connector of the Vehicle Diagnosis System - Updated Cable - 3m -VAS5051/5A- to the diagnostic connection.
- Switch on the Vehicle Diagnostic Tester.
The Vehicle Diagnostic Tester is ready to operate when it displays operating modes in button fields.
- Switch the ignition on.
- Touch Guided Fault Finding.
- Select in succession:
- Brand
- Type
- Model year
- Version
- Engine Codes
- Confirm data entered.
Wait until the Vehicle Diagnostic Tester has check all the control modules in the vehicle.
- Press the Go to button and select "Function/component selection".
- Select the corresponding program in "Guided Functions".
Now follow instructions on screen to perform adjustment.
- Turn the ACC Adjuster -VAS6190/2- in direction of -arrow A or B- and use the lower screw -2- and the upper screw -1- for precision adjustment in "Guided Fault Finding".
WARNING
The ACC adjustment is confirmed when "output diagnostic test complete" appears in the -Vehicle Diagnostic Tester-.
- Switch off the ignition.
- Disconnect the connector of the Vehicle Diagnosis System - Updated Cable - 3m -VAS5051/5A- from the diagnostic connection.
- Disconnect the battery charger. Refer to → Electrical Equipment; Rep. Gr.27; Battery, Charging.
- Install the air intake grille. Refer to → Body Exterior; Rep. Gr.63; Front Bumper.
