Infrared System, Calibrating

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Special tools and workshop equipment required

John Bean - Wheel Alignment Computer: VAS701001
Setting Device - Basic Set: VAS6430/1A
Setting Device - Basic Set: VAS6430/1
Night Vision Calibration Tool: VAS6430/6
Calibration Tool - Linear Laser: VAS6350/3A

Calibration of the night vision system is necessary:

Conditions

The installation position of the Night Vision System Camera -R212- in the vehicle was changed.
Night Vision System Control Module -J853- was replaced.
Rear axle toe/chamber was adjusted.

Conditions

The calibration requirements must be met.

Refer to CALIBRATION CONDITIONS

Procedure

The procedure is described on a John Bean - Wheel Alignment Computer: VAS701001 .

The procedure may vary if using other wheel alignment computers.

-- Note the test requirements. Refer to TEST REQUIREMENTS .

-- Perform the initial wheel alignment.

-- Select the button for the Night Vision System Camera -R212- calibration procedure on the wheel alignment computer.

-- Remove the front driver assistance systems cover. Refer to OVERVIEW - BUMPER COVER .

-- Position the Night Vision Calibration Tool: VAS6430/6 so that it is centered on the calibration beam on the Setting Device - Basic Set: VAS6430/1 .

Fig 1: Identifying Night Vision Calibration Tool & Nut/Bolt -A-

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-- When sliding the Night Vision Calibration Tool: VAS6430/6 onto the calibration beam, the opening -arrows- must fit around the nut or bolt -A-.

-- Fold up the right and left bracket -A-.

Fig 2: Identifying Right And Left Clamping Screw -1-

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-- Tighten the right and left clamping screw -1- hand-tight.

-- Position the Setting Device - Basic Set: VAS6430/1 with the Night Vision Calibration Tool: VAS6430/6 in front of the vehicle.

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-- Position the Night Vision Calibration Tool: VAS6430/6 at distance -a- from the night vision system camera.

Conditions

Distance -a- = 120 cm to 150 cm, measured between the Night Vision Calibration Tool: VAS6430/6 and the lens of the Night Vision System Camera -R212-.

-- Attach the measuring sensor for the front wheels to the calibration beam.

Fig 3: Identifying Height Value -A-

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Conditions

For the following work steps, the hoist must be in the lowest position -A-.

-- Insert the Calibration Tool - Linear Laser: VAS6350/3 -arrow- into the guide on the Night Vision Calibration Tool: VAS6430/6 and secure it.

Fig 4: Identifying Calibration Tool - Linear Laser VAS 6350/3 -Arrow-

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

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-- Turn the lever on the back of the calibration board to align the laser beam -1- so that it is in the center of the camera lens -2- in the horizontal position.

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

-- Balance the bubble level -A- using the adjusting screw -1-.

Fig 5: Identifying Bubble Adjustment

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-- Slide the Setting Device Basic Set: VAS6430 to the side in direction of -arrows B-, until the display in the wheel alignment computer is in the tolerance range.

Fig 6: Adjusting Setting Device Basic Set VAS 6430/1

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-- Tighten the bolts -2 and 3- by hand, to prevent the Setting Device - Basic Set: VAS6430 from rolling away.

Fig 7: Securing Setting Device Basic Set VAS 6430/1

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-- Turn the precision adjustment screw -1- on the calibration beam until the display on the alignment computer is located within the tolerance range.

Fig 8: Identifying Adjusting Screw

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-- Balance the bubble level -A- using the adjusting screw -1-.

Fig 9: Identifying Bubble Adjustment

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-- Balance the bubble level -B- using the adjusting screw -2-.

-- Switch the Calibration Tool - Linear Laser: VAS6350/3 on again and check the specified height. Correct the height if necessary.

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-- Switch off the linear laser.

-- Connect the plug -A- for the Night Vision Calibration Tool: VAS6430/6 to the socket.

Fig 10: Identifying Switch -B-

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-- Switch on switch -B-.

Conditions

Both LED -C- will illuminate in sync with the acoustic warning tone after successful initialization. After this the calibration device is in standby mode. The green LED flash slowly.
Levels are balanced, otherwise make corrections.

-- Press the button -A- to activate the heat function.

Fig 11: Identifying Push Button -A-

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An acoustic signal will sound when the heating function is activated. The heat-up phase has begun.
As soon as the specified temperature is reached, the green LED will stay on.
The heating elements switch off automatically after 20 minutes. An acoustic signal will sound approximately 1 minute before the heating elements switch off automatically.
Press the button -A- at any time to reset the timer back to 20 minutes. An short acoustic signal confirms that it has be reset.

-- Perform the adjustment/calibration function for the Night Vision System Control Module -J853- using the. Refer to Diagnostic Entries .

-- The fine adjustment is done using the screw -arrow-.

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-- Install the front driver assistance systems cover. Refer to OVERVIEW - BUMPER COVER .

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