Windshield Projection Head Up Display Control Module, Calibrating

Special tools and workshop equipment required

Calibration Board - Head-Up Display:VAS6658

Conditions

-- The windshield projection control module must be calibrated under the following conditions:

The Windshield Projection Head Up Display Control Module -J898- was replaced.
The windshield was removed and installed.
"No or incorrect basic setting/adaptation" is stored in the DTC memory.

Preliminary Work

Fig 1: Identifying Calibration Tool

Courtesy of AUDI OF AMERICA, LLC

-- Move the vehicle onto a secure flat surface.

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

-- Fold down the left and right sun visors, disengage them and move them to the side.

-- Engage the :VAS6658 on the center supports -1 and 2- for the sun visor.

Calibrating Procedure

The Vehicle Diagnostic Tester is connected.

-- Select the Diagnostic mode and start the diagnosis.

-- Select the Test plan tab.

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

Body
Electrical system
01 - OBD-capable systems
82 - Windshield Projection Head Up Display Control Module - J898
82 - Windshield projection control module, functions
82 - Head up display calibration

From here, the Vehicle Diagnostic Tester advances the calibration procedure forward.

-- After calibrating the windshield projection control module successfully, end "calibration", turn off the ignition and disconnect the diagnostic connector.