Volkswagen Golf Service & Repair Manual: Front camera for driver assist systems
Calibrating front camera for driver assist systems
 Note
| The following situations can cause the camera function to be
impaired by sustained poor visibility of the lane marker lines: |
| The field of view of the camera is soiled or iced over. In
this case, clean the affected area. |
| The field of view of the camera is fogged over. |
| The camera aperture must be cleaned manually if there is
heavy soiling on the inside of the windscreen in the field of
view of the camera. To do this, the control unit and lens hood
must be removed and the windscreen cleaned using cleaning
solution. Remove control unit and lens hood
→ Electrical system; Rep. gr.96. |
| Correct calibration is a basic precondition for the front
camera for driver assist systems -R242- to function without
faults. |
| The front camera for driver assist systems -R242- must be
recalibrated if: |
| “No or incorrect basic setting/adaptation” entry stored in
the event memory. |
| The front camera for driver assist systems -R242- was
replaced. |
| Windscreen has been renewed or removed. |
| Rear axle toe setting has been adjusted. |
| Modifications have been made to the car's running gear that
have an effect on the body height. |
| Vehicle level senders are re-taught in vehicles with damping
control. |
Note
| Before calibrating the front camera for driver assist
systems, read out event memory and rectify faults as necessary. |
| Calibration of the front camera for driver assist systems
must only be performed using VW/AUDI approved wheel alignment
equipment! |
| Calibration of the driver assistant system's front camera is
only permitted using the setting device -VAS 6430-! |
| Special tools and workshop equipment
required |
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| – |
Measure standing height at all four wheels and note it. |
Note
| Setting device -VAS 6430- is not allowed to be moved on
alignment beam. |
| Wheel alignment platform must be in the lowermost levelled
position for next work step. |
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| – |
Turn setting device -VAS 6430- upwards so that alignment
beam is parallel to middle of measurement transducers on front
wheels, in order to perform a correct measurement with distance
measuring unit -1-. |
| 1 - |
Distance measuring unit with tape measure and socket pin |
| – |
Position setting device -VAS 6430- at distance
-a- of 1500 mm ± 25 mm from centre
point of hub of front wheels to beam of setting device -VAS
6430-. |
Caution
| Distance -a- of 1500 mm
± 25 mm must be measured on both sides of vehicle and
setting device -VAS 6430- must then be aligned. |
| Distance -a- must be
same on both sides of car. |
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| – |
Mount measurement transducer -1-
of front wheels onto setting device -VAS 6430-. |
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| – |
Measure height value -a-
between standing surface of setting device -VAS 6430- and wheel
support surface on wheel alignment platform. Enter value in
wheel alignment computer. |
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| – |
Unscrew clamping bolt -arrow-,
place measuring bar -1- on floor. |
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| – |
Use crank -1- to set
calibration panel -VAS 6430/4- to nominal height
-2- indicated by wheel alignment
computer and make a note. |
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| When nominal height has been reached, measuring bar
-1- must be moved upwards slightly
and secured with clamping screw -arrow-. |
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| – |
Move setting device -VAS 6430- sideways
-arrows B- until display on wheel
alignment computer is within tolerance. |
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| – |
Screw down adjuster screws -2-
and -3- slightly to secure setting
device -VAS 6430- against rolling away. |
|
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| – |
Turn fine adjuster screw -1-
until display on wheel alignment computer is within tolerance. |
|
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| – |
Use adjuster screw -1- to level
spirit level -A-. |
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| – |
Use adjuster screws -2- and
-3- to level spirit level
-B-. |
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| – |
Unscrew clamping bolt -arrow-,
place measuring bar -1- on floor. |
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| – |
Check nominal height -2- again
and correct if necessary. |
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| When nominal height has been reached, measuring bar
-1- must be moved upwards slightly
and secured with clamping screw -arrow-. |
| Concluding work is carried out via → Vehicle
diagnostic tester. |
| – |
On → Vehicle
diagnostic tester, select “Guided Fault Finding”. |
| Body (rep. gr. 01;27;50...97) |
| Electrical system (Rep. Gr. (01, 27,
90…97) |
| 01_Self-diagnosis capable systems |
| Front camera for driver assistance
system -R242- |
| Camera for driver assistance systems,
functions |
| A5 - Calibrating the control unit (Rep.
Gr. 44) |
| Follow instructions on screen to perform calibration. |
Note
| The next step in Guided fault finding is to measure the body
height. |
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| – |
Enter the noted standing height. |
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