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– To measure distance, hold spacing laser -VAS 6350/2-
-item 2- flush with locating bracket as shown in illustration.
• Spacing laser -VAS 6350/2- must be steady and flush with lo‐
cating bracket.
– Make sure that laser beam for distance measurement hits
lower (larger) part of measuring paddle -1-.
If this is not the case, adjust height of measuring paddles using
lock nuts on wheel centre mountings - VAS 6350/1- .
– Press ON button briefly to measure distance.
Display on -VAS 6350/2- :
• “1.700 m” (specification: 1,700 ± 2 mm).
– Repeat measurement from locating bracket (right-side) to rear
right wheel.
• Measured distance value must be identical on both sides.
If the two measured values are not identical, re-align calibration
unit - VAS 6350- .
Performing calibration
⇒ Vehicle diagnostic tester is connected.
– Select Diagnosis mode and start diagnosis.
– Select Test plan tab.
– Select Own test then the following options one after the oth‐
er:
♦ Body
♦ Electrical system
♦ 01 - Self-diagnosis compatible systems
♦ 3C - Lane change assist control unit - J769
♦ 3C - Lane change assist control unit, functions
♦ 3C - Calibration
Further instructions are given by ⇒ Vehicle diagnostic tester dur‐
ing calibration procedure.
Note
♦
The system will now inform you which lane change assist ver‐
sion is fitted in the vehicle (e.g. version 1.0).
♦
This information for setting the calibration unit is important for
the work sequence to be followed and to avoid malfunctions.
Audi A8 2003 ➤
Electrical system - Edition 08.2014
12. Lane change assist 325
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