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Lane Change Assistance Control Modules (J769)/(J770), Calibrating






Lane Change Assistance Control Modules (J769)/(J770), Calibrating

Special tools, testers and auxiliary items required

• Calibration tool (VAS 6350)

Conditions

- The lane change assistance control module (J769) or lane change assistance control module 2 (J770) must be calibrated in the "Guided Fault Finding" or "Guided Functions" operating mode under the following conditions using the Vehicle diagnostic tester:

• The lane change assistance control module was replaced.

• The rear bumper was damaged.

• The rear bumper was removed and installed.

• The Diagnostic Trouble Code (DTC) "no or incorrect basic setting/adaptation" is stored in the DTC memory.

Procedure

- Place the vehicle on a solid, level surface.

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

- Place the front wheels in straight the ahead position - steering wheel in 0 position.

- Connect the vehicle diagnosis tester.

• If a malfunction message appears in the display, refer to the vehicle diagnosis tester operating instructions.

- Switch on the ignition.

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

- Secure three SW 19 wheel bolt adapters with wheel bolts to each wheel center sensor (VAS 6350/1).






- Insert the measuring paddle on both wheel center sensor (VAS 6350/1) and secure with a lock nut.

- Place the wheel center sensor (VAS 6350/1) on the wheel bolts on both rear wheels.

• Wheel center sensor (VAS 6350/1) rotation center must be in the wheel rotation center.

• Place the wheel center sensor (VAS 6350/1) on the wheels so that the "anti-theft wheel bolts" are not connected with the wheel center sensor.

- Adjust the measuring paddle with the aid of lock 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 (VAS 6350) at distance - a - from the rear wheels.






• Dimension - a - = 1,700 mm ± 2 mm

- Switch the spacing laser (VAS 6350/2) on with the ON button.






Display on the spacing laser (VAS 6350/2) :

• "- - - m"

• Laser is switched on at the same time.

- For distance measurement, hold the spacing laser (VAS 6350/2) - item 2 - flush to the right stop bracket as illustrated.






• The spacing laser (VAS 6350/2) lies firmly against the catch bracket.

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

If this is not the case, the measure paddle height must be corrected using lock nuts on the wheel center sensor (VAS 6350/1).

- Briefly press the ON button for distance measurement.






Display on the spacing laser (VAS 6350/2) :

• "1,700 m" (specified value: 1,700 ± 2 mm).

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

• The distance value must be the same on both sides.

If both measured values are not the same, adjust the (VAS 6350) accordingly.

- Select the path "calibration" after selecting "lane change assistance".

• The following information clarifies which version of the lane change assist is installed (version SWA1.7).

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

- Secure the calibration tool for lane changing assist (VAS 6350/4) at the rear right of the calibration tool (VAS 6350) mount.






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

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






- The indicator on the base of the lane change assistance calibration device (VAS 6350/4) must align with the setting on the measurement scale - 1 - on the measuring field - arrow -.






- Connect the lane change assistance calibration device (VAS 6350/4) to the vehicle electrical system voltage.

- Bring the (VAS 6350) into the horizontal position by turning the plastic base.






• Observe the bubble level (sight glass) on the calibration tool (VAS 6350) - arrow -.

- Switch the line laser (VAS 6350/3) on the (VAS 6350) on.






- Put on the "Laser eye protection".

- Align the (VAS 6350) so the line laser (VAS 6350/3) strikes the center of the brand emblem on the rear lid.

- Check the left and right distance between the catch bracket on the (VAS 6350) and the measuring paddle - 1 - on the wheel sensors again.






• Specified value: 1700 ± 2 mm

Calibration Procedure

The following should not occur during the calibration procedure:

• No metal reflectors may be located within a 2 m radius of the calibration device (such as tool carts, metal cabinets).

• Vehicle doors must not be opened or closed.

• People should not sit in the vehicle.

• People should not go between the vehicle and the calibration tool for lane changing assist (VAS 6350/4).

Procedure






- Switch the calibration tool for lane changing assist (VAS 6350/4) on at the power switch - 3 -.

• The green Light Emitting Diode (LED) - 1 - must light up.

• If the red LED - 2 - lights up: Check the calibration tool for lane changing assist (VAS 6350/4).

- Follow the instructions on the vehicle diagnosis tester display.

During the course of the program, a request is made to switch the calibration tool for lane changing assist (VAS 6350/4) from the right to the left side of the calibration device (VAS 6350).






- Switch the calibration tool for lane changing assist (VAS 6350/4) off and move the device.

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

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






- The indicator on the base of the lane change assistance calibration device (VAS 6350/4) must align with setting on measurement scale - 1 - on measuring field - arrow -.






- Switch the calibration tool for lane changing assist (VAS 6350/4) on at the power switch - 3 -.






• The green LED - 1 - must light up.

- Follow the instructions on the vehicle diagnosis tester display.

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

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