Peripheral Camera, Calibrating

Calibration/adjustment must be performed if:

• One or more cameras were replaced.
• A software update was performed.
• Repair work was performed on components in which a camera is installed or that influence the component location of the camera
• Wheel alignments were performed.
• There is a misalignment in the overlap range of the individual camera images.
• The standing height of one axle was changed by more than 5 mm.
• The standing height of the entire vehicle was changed by more than 10 mm.

Special tools and workshop equipment required 

• Calibration System:VAS 721 001 
• Refer to the appropriate Service Information.

Preparing for Calibration

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1. Left Calibration Device
2. Front Peripheral Camera -R243-
3. Right Calibration Device
4. Right Peripheral Camera -R245-
5. Rear Peripheral Camera -R246-
6. Left Peripheral Camera -R244-

Preliminary Work

• Create a work surface that is large enough (no objects surrounding the calibration board to prevent any incorrect line detections).
• Prevent any strong lighting contrasts (no headlamps or direct lighting).
• Move the vehicle onto a solid, flat surface.
• Move the wheels so that they are straight.
• For vehicles with rear axle steering, steer the rear axle to the zero position. Refer to Rear Axle Steering . This is the only way to ensure that the rear axle steering is in the straight-ahead position.
• Vehicles without air suspension: deflect the springs several times and let settle.
• Electromechanical parking brake applied.
• All vehicle doors and the rear lid must be closed.
• Fold out both exterior rearview mirrors.
• Clean the camera lenses with a damp cloth.
• Check the camera images on the Front Information Display Control Head -J685-. Replace the camera if the images are unclear because the camera has been damaged. Check the fastener for the camera if the image is low.
• The system is active and is displayed on the Front Information Display Control Head -J685-.
• Connect the battery charger for the battery support mode. Refer to BATTERY A, CHARGING .
• Before starting the calibration/adjustment, check the DTC memory and correct all displayed entries.

Procedure

-- Roll out the Calibration System:VAS 721 001  at the left and right near the vehicle.

-- The arrows -1- on the Calibration System:VAS 721 001  point in the direction of travel.

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-- Install the rear and front clamping strips on the Calibration System:VAS 721 001  .

-- Align the crosshairs -2- on the Calibration System:VAS 721 001  to the front axle of the vehicle (center of front wheel).

-- Align both calibration devices parallel. The vehicle must be located in the center between both calibration devices.

Pay attention to the following measurement requirements:

• Dimension -a- 2000 to 2500 mm (78.74 to 98.43 in.) ± 5 mm, front and rear the same
• The dimension -b- must be the same on both sides
• The dimension -c- must be the same on both sides

Calibration Procedure

The following should not occur during the calibration procedure:

• Vehicle doors must not be opened or closed.
• People must not sit in the vehicle.
• Vehicle must not be loaded (curb weight).

-- Connect the Vehicle Diagnostic Tester. Refer to the appropriate Service Information.

-- Switch the ignition on.

-- Select and start the Diagnostic  operating mode.

-- Select the Test plan  tab.

-- Select the Select individual test  button and select the following tree structure consecutively:

• Diagnostic-capable systems
• 00A5 - Driver Assistance Systems Control Module
• 00A5 - Driver Assistance Systems Control Module, functions
• 00A5 - Peripheral camera, calibrating

-- Start the selected program and follow the instructions on the Vehicle Diagnostic Tester display.

-- Switch off the ignition after successful calibration/adjustment.

-- Disconnect the Vehicle Diagnostic Tester from the diagnostic connection.

-- Disconnect the battery charger. Refer to BATTERY A, CHARGING .