Calibrating ACC during vehicle alignment — VW

Calibrating ACC during vehicle alignment
Always adhere to the following procedure!
Observe instructions for your wheel alignment unit as well as the following information!
When does calibration have to be carried out?
Calibration has to be carried if:
The lock carrier has been removed and installed,
The
sensor for automatic distance control
G550
has been removed and installed,
Track and/or camber have been adjusted on the rear axle during vehicle alignment.
the lock carrier was brought into service position.
Which test prerequisites have to be met for the calibration process?
Prior vehicle alignment or wheel runout compensation.
Specified tyre inflation pressure and ride height values checked.
Alignment procedure
Start
→
Query at end of vehicle alignment
→
Were adjustments carried out on the rear axle during alignment?
→
No
↓
↓
Yes
←
Is sufficient space available in front of the vehicle?
Fig.
←
Yes
↓
↓
↓
↓
↓
No
→
Reverse vehicle onto wheel alignment unit
↓
↓
↓
↓
Read measured value block with
Vehicle diagnostic tester
←
←
←
←
←
Carry out wheel runout compensation.
↓
↓
↓
Select in
Vehicle diagnostic tester
:
Anchor
→
Dialogue is shown in
Vehicle diagnostic tester
→
Transfer measurement point values from
Vehicle diagnostic tester
to measurement field on
VAS 6041/2
or
VAS 6430/2
Fig.
↓
↓
↓
Note dimension
a
Fig.
←
Position
ADC setting device
VAS 6041
/
setting device
VAS 6430
in front of vehicle
←
Remove radiator grille
General body repairs, interior
Rep. gr.
66
Radiator grille/front panel; Removing and installing radiator grille
.
↓
↓
↓
Level
ADC setting device
VAS 6041
/
setting device
VAS 6430
and set straight-ahead travel
→
Observe instructions in
Vehicle diagnostic tester
→
Select in
Vehicle diagnostic tester
:
Anchor
↓
↓
↓
Adjustment via adjuster screws of
sensor for automatic distance control
G550
Fig.
←
Dialogue is shown in
Vehicle diagnostic tester
↓
↓
↓
End
←
←
←
←
←
←
Space required in front of vehicle
a
= 1145 mm ± 5 mm
Distance
a
is distance between mirror of
sensor for automatic distance control
G550
and measurement field of
ADC setting device
VAS 6041
/
setting device
VAS 6430
Note
If necessary to compensate height between
ADC setting device
VAS 6041
/
setting device
VAS 6430
and wheel alignment platform, use
precision adapters
V.A.G 1813/12
.
Remove radiator grille
General body repairs, interior
Rep. gr.
66
Radiator grille/front panel; Removing and installing radiator grille
.
Designation of adjuster screws of
sensor for automatic distance control
G550
Adjuster screw for horizontal or measured value block 6-2
Fig.
Adjuster screw for vertical or measured value block 6-3
Fig.
Must not be rotated - serves only as point of rotation
Explanation of axes and display in vehicle diagnostic tester
Y
Measured value block 6-2
Z
Measured value block 6-3
Example:
The value 0.1 corresponds to 4 mm on
VAS 6041/2
or
VAS 6430
The display in
Vehicle diagnostic tester
shows a value of 0.6 for measured value block 6-2 and a value of -1.0 for measured value block 6-3.
These values then reveal a measurement point
arrow
, which consists of the following values:
a
= 24 mm
b
= -40 mm
Select on
Vehicle diagnostic tester
:
Running gear
Proximity control
01 - System capable of self-diagnosis
Functions
Adaptation to adjustment on wheel alignment unit
Follow instructions on screen to perform basic setting.