Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 884
5
Adaptive Cruise Control (ACC)
⇒ “5.1 Adaptive Cruise Control (ACC), Calibrating”, page 321
5.1
Adaptive Cruise Control (ACC), Cali‐
brating
⇒ “5.1.1 Adaptive Cruise Control (ACC), Calibrating”, page 321
5.1.1
Adaptive Cruise Control (ACC), Cali‐
brating
Special tools and workshop equipment required
♦ Setting Device Basic Set - VAS6430/1-
♦ ACC Reflector Mirror - Audi - VAS6430/3-
♦ Wheel Alignment Computer
♦ Vehicle Diagnostic Tester
Note
♦
Before adjusting the ACC, check the sensor, its mounts, and
securing elements for damage, external influences and secure
fit. Repair any damaged components, if necessary.
♦
Prior to adjusting the adaptive cruise control (ACC), check the
event memory and correct any malfunctions.
♦
The ACC control module “adjustment angle measured value”
shows whether the sensor is misaligned.
♦
The ACC adjustment may only be set using a VW/Audi-ap‐
proved wheel alignment device and adjustment equipment!
♦
Proper ACC operation requires correct alignment.
Note
♦
A new adjustment is necessary if:
♦
The rear axle toe was adjusted.
♦
The Distance Regulation Control Module - J428- was removed
and installed.
♦
The front bumper carrier was removed and installed.
♦
The front bumper carrier was loosened or moved.
♦
The adjustment angle is greater than -0.8° to +0.8°.
♦
The vehicle was moved to the service position.
Note
♦
Before driving the vehicle onto the alignment stand, make sure
there is enough space between the vehicle and the Setting
Device Basic Set - VAS6430/1- . The distance between the
ACC Reflector Mirror - Audi - VAS6430/3- and the sensor must
be 120 cm ± 2.5 cm (47.2 ± 0.98 inches).
♦
If there is not sufficient space, drive the vehicle backward onto
the alignment stand in order to use the corresponding space.
♦
If the ACC Reflector Mirror - Audi - VAS6430/3- is repositioned
on the calibration beam during the adjustment, the Setting
Device Basic Set - VAS6430/1- setting must always be
checked (for example bubble levels, individual toe settings at
the calibration beam, etc.).
• Before beginning the adjustment, check the Diagnostic Trou‐
ble Code (DTC) memory and correct any malfunctions
present.
The adjustment procedure is described here using the Setting
Device Basic Set - VAS6430/1- .
Follow the sequence for adjusting:
1 - Establish a distance of 120 cm ± 2.5 cm between the cen‐
trally positioned ACC Reflector Mirror - Audi - VAS6430/3-
and the sensor in the air grille,
2 - Attach the ACC Reflector Mirror - Audi - VAS6430/3- in the
center of the calibration beam,
3 - Adjust the Distance Regulation Control Module - J428-
Do not perform the steps under “Calibration procedure without a
previous axle alignment” if an axle alignment has already been
performed.
Calibration Procedure without Previous Axle Alignment
– Select the ACC calibration button on the alignment computer.
– Follow the test requirements for an axle alignment. Refer to
⇒ “3.2 Test Prerequisites”, page 296
– Drive the vehicle onto the vehicle alignment platform.
– Connect the battery charger. Refer to ⇒ Electrical Equipment
General Information; Rep. Gr. 27 ; Battery, Charging .
– Connect Vehicle Diagnostic Tester (Guide the diagnostic ca‐
ble through the open window.)
Note
During the adjustment procedure, make sure all the vehicle doors
remain closed and the vehicle exterior lamps are switched off.
– Position the front wheels so they are straight.
– Install the quick-action clamps on the rear wheels.
– Install the measurement sensor on the rear wheels.
– Perform a wheel run-out compensation and the rear wheels.
Calibration Procedure with or without Previous Axle Alignment
– Remove the trim -1-.
– Remove the trim -1-.
– Remove any dirt that may be on the sensor lens.
– Position the Setting Device Basic Set - VAS6430/1- at a dis‐
tance -a- from the centrally positioned ACC Reflector Mirror -
Audi - VAS6430/3- in the center and parallel with respect to
the Distance Regulation Control Module - J428- .
a - 120 cm ± 2.5 cm (47.2 ± 0.98 inches)
Note
The Setting Device Basic Set - VAS6430/1- must not be moved
on the calibration beam.
– Position the front wheel measuring sensors -1- on the calibra‐
tion beam.
– In area -A-, bring item -2- on the rotary knob into alignment
with the marking on the mirror (number 2 on the rotary knob
must face the vehicle).
– Level the bubble levels -A and B- on the ACC Reflector Mirror
- Audi - VAS6430/3- using the adjusting screws -1, 2, and 3-.
– Adjust the mirror -4- via the crank -arrow- so that the laser
beam is in the center of the sensor lens.
– Position the mirror on the side of the calibration beam so that
the laser beam is in the center of the sensor lens.
– Level the bubble levels -2- of the measurement sensor -1-.
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