Lane Change Assistance Control Module -J769- /Lane Change Assistance Control Module 2 -J770-, Calibrating: Procedure

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-- Place vehicle on a solid, level surface.

-- Activate parking brake - vehicle must not move during measurement.

-- Place the steering wheel in the neutral position with the front wheels pointing straight ahead.

-- Connect the Vehicle Diagnostic Tester. Refer to Vehicle Diagnostic Tester.

-- Turn on the ignition.

-- Remove sticker with metal foil from bumper cover if necessary.

-- Secure three suitable wheel bolt adapters for the wheel bolts on each Calibration Tool - Wheel Center Mountings:VAS6350/1 .

Fig 1: Identifying Wheel Pick-Ups On Wheel Mounting Bolts At Rear Wheels

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-- Insert the measuring paddle on both Calibration Tool - Wheel Center Mountings:VAS6350/1 and secure with lock nut.

-- Place the Calibration Tool - Wheel Center Mountings:VAS6350/1 onto the wheel bolts on both rear wheels.

The wheel center sensor rotation center must be in wheel rotation center.

NOTE:

Place the Calibration Tool - Wheel Center Mountings:VAS6350/1 on wheels so that "anti-theft wheel bolts" are not connected with wheel center mounting.

-- Adjust the measuring paddle with aid of locking nuts so that they move freely just above the floor.

The measuring paddles must move easily.
The measuring paddles must be vertical.

-- Position the Calibration Tool:VAS6350 at distance -a- from rear wheels.

Fig 2: Determining Distance Between Calibration Device VAS 6350 And Rear Wheels

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Dimension -a- = 1700 mm.

-- Switch on the Calibration Tool - Spacing Laser:VAS6350/2 with the ON button.

Fig 3: Identifying Laser Display

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Display on the Calibration Tool - Spacing Laser:VAS6350/2 :

"- - - m"

NOTE:

The laser is switched on at same time.

-- For distance measurement, hold the Calibration Tool - Spacing Laser:VAS6350/2 -2- flush to the right stop bracket as illustrated.

Fig 4: Ensuring Laser Beam From Distance Laser VAS 6350/2 Hits Lower, Enlarged Part Of Paddle

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The Calibration Tool - Spacing Laser:VAS6350/2 must lie firmly against the catch bracket.

-- Make sure the "laser beam" for the distance measurement contacts the enlarged lower part on the paddle -1-.

If this is not the case, measure paddle height must be corrected using locking nuts on Calibration Tool - Wheel Center Mountings:VAS6350/1 .

-- Briefly press the ON button for distance measurement.

Fig 5: Identifying Display On VAS 6350/2

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Display on the Calibration Tool - Spacing Laser:VAS6350/2 :

"1.700 m" (specified value: 1700 ± 2 mm).

-- Repeat measurement procedure from left catch bracket to left rear wheel.

The distance value must be the same on both sides.

If both measured values are not the same, adjust the Calibration Tool:VAS6350 accordingly.

Performing calibration

Vehicle Diagnostic Tester is attached.

-- Select the Diagnostic mode and start the diagnostics.

-- Select the tab test plan .

-- Select select individual tests and choose the following sequence.

Body
Electrical Equipment
01 - OBD-capable systems
3C - Lane change assistance control module - J769
3C - Lane change assistance control module, functions
3C - Calibration

The Vehicle Diagnostic Tester continues with the calibrating procedure from here on.

NOTE:

The following information clarifies which version of the lane change assistance is installed in the vehicle (for example version SWA1.0).

This information for adjusting the calibration device is important for later steps in the procedure to avoid malfunctions.

-- Secure the Calibration Tool - Lane Change Calibration Tool:VAS6350/4 at right rear of the Calibration Tool:VAS6350 mount.

Fig 6: Secure -VAS 6350/4- At Rear Right Of VAS 6350 Mount

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When installed correctly, vehicle electrical system voltage line must be connected at bottom left of calibration device (as seen in direction of travel).

Dimension -a- is measured from the upper edge of calibration device to the floor.

Model		A5/S5 Convertible	RS 5 Convertible
Adjustment dimension height in mm dimension -a-	SWA 1.0	700	-
	SWA 1.5	700	-
	SWA 2.0	758	722

-- The indicator on the base of the Calibration Tool - Lane Change Calibration Tool:VAS6350/4 must align with adjustment dimension on the measuring scale -1- on measuring field -arrow-.

Model		A5/S5 Convertible	RS 5 Convertible
Right adjustment dimension read in mm on the measuring scale -1-	SWA 1.0	586	-
	SWA 1.5	745	-
	SWA 2.0	613	585

-- Connect the Calibration Tool - Lane Change Calibration Tool:VAS6350/4 to the vehicle electrical system voltage.

-- Bring Calibration Device:VAS6350 into horizontal position by turning plastic base.

Fig 7: Identifying Bubble Level (Sight Glass) On Calibration Tool VAS 6350

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Observe the bubble level (sight glass) on the Calibration Tool:VAS6350 -arrow-.

-- Switch on the Calibration Tool - Linear Laser:VAS6350/3 on the Calibration Tool:VAS6350 .

Fig 8: Switch Line Laser -VAS6350/3- And Calibration Tool VAS6350

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-- Put on "laser protective eyewear".

-- Align the Calibration Tool:VAS6350 so that the Calibration Tool - Linear Laser:VAS6350/3 strikes the center of the brand emblem on the rear lid.

-- Check the left and right distance between the catch bracket on the Calibration Tool:VAS6350 and measuring paddle -1- on wheel mountings again.

Fig 9: Ensuring Laser Beam From Distance Laser VAS 6350/2 Hits Lower, Enlarged Part Of Paddle

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Specified value: 1700 ± 2 mm

Fig 1: Identifying Assistance Calibration Device VAS 6350/4 Components

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-- Switch on the Calibration Tool - Lane Change Calibration Tool:VAS6350/4 at the power switch -3-.

The green LED -1- must light up.

NOTE:

If the red LED -2- illuminates: Check the Calibration Tool - Lane Change Calibration Tool:VAS6350/4 .

-- Follow the instructions on the Vehicle Diagnostic Tester display.

During the course of the program, a request is made to switch the Calibration Tool - Lane Change Calibration Tool:VAS6350/4 from the right to the left side of the Calibration Tool:VAS6350 .

Fig 2: During Course Of Program, A Request Is Made To Switch - VAS 6350/4- From Right To Left Side Of VAS 6350

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-- Switch the Calibration Tool - Lane Change Calibration Tool -VAS6350/4- off and move device.

When installed correctly, vehicle electrical system voltage line must be connected at bottom left of calibration device (as seen in direction of travel).

Dimension -a- is measured from the upper edge of calibration device to the floor.

Model		A5/S5 Convertible	RS 5 Convertible
Adjustment dimension height in mm dimension -a-	SWA 1.0	700	-
	SWA 1.5	700	-
	SWA 2.0	758	722

-- The indicator on the base of the Calibration Tool - Lane Change Calibration Tool -VAS6350/4- must align with adjustment dimension on the measuring scale -1- on measuring field -arrow-.

Model		A5/S5 Convertible	RS 5 Convertible
Left adjustment dimension read in mm on the measuring scale -1-	SWA 1.0	586	-
	SWA 1.5	745	-
	SWA 2.0	613	585

-- Switch on the Calibration Tool - Lane Change Calibration Tool -VAS6350/4- at the power switch -3-.

Fig 3: Identifying Assistance Calibration Device VAS 6350/4 Components

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The green LED -1- must light up.

-- Follow the instructions on the Vehicle Diagnostic Tester display.

-- After calibrating the lane change assistance successfully, end "calibration", switch off the ignition and disconnect the diagnostic connector.