Windshield Projection Head Up Display Control Module, Calibrating, Before Product Improvement

WARNING: This page is about a different car, the 2024 Audi SQ7, 2024 Audi Q7, 2023 Audi SQ7, and 2023 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Vehicle Diagnostic Tester
Calibration Board for Head-Up Display:VAS721003

Courtesy of AUDI

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

-- 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.

Courtesy of AUDI

-- Engage the Calibration Board for Head-Up Display:VAS721003 on the center support -1 and 2- for the sun visor.

Calibrating Procedure

The Vehicle Diagnostic Tester is connected.

-- 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:

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

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

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