Audi Q7 Owners & Service Manuals

Audi Q7: Windshield Projection Head Up Display Control Module, Removing and Installing

Audi Q7 (4M) 2016-2024 Workshop Manual / Electrical System / Electrical Equipment / Instruments / Windshield Projection Head Up Display Control Module, Removing and Installing

- If replacing the control module, select the "Replace control module" function for the corresponding control module on the Vehicle Diagnostic Tester

Removing

- Cover the control module -2- with a soft towel.

- Remove the windshield. Refer to → Body Exterior; Rep. Gr.64; Windshield; Windshield, Removing and Installing.

- Remove the windshield projection trim. Refer to → Body Interior; Rep. Gr.70; Instrument Panel; Overview - Instrument Panel.

  NOTICE

Risk of destroying the windshield projection head up display control module

 - Only remove the designated bolts from the control module.

 - Never remove the bolts for the housing upper section.

- Remove the bolts -1, 3 and 4-.

- Lift the control module slightly and disconnect the connector.

- Remove the control module.

A90-10309

Removing the Exterior Bracket

- Remove the instrument panel. Refer to → Body Interior; Rep. Gr.70; Instrument Panel; Instrument Panel, Removing and Installing.

- Remove the nuts -arrows-.

- Remove the bracket -1-.

A90-10311

Removing the Inner Bracket

- Remove the instrument panel. Refer to → Body Interior; Rep. Gr.70; Instrument Panel; Instrument Panel, Removing and Installing.

- Remove the nuts -arrows-.

- Remove the bracket -1-.

A90-10312

Installing

Install in reverse order of removal. Note the following:

  NOTICE

Risk of destroying the windshield projection head up display control module

 - A control module that has fallen down cannot be used again.

 - When inserting the control module never apply pressure on the housing upper section.

- Check the function of the control module.

  • A number must be appear on the windshield.

- Calibrate the windshield projection control module. Refer to → Chapter "Windshield Projection Head Up Display Control Module, Calibrating".

Tightening Specifications

  • Refer to → Fig. "Windshield Projection Head Up Display Control Module - Tightening Specification and Sequence"

Windshield Projection Head Up Display Control Module, Calibrating

Special tools and workshop equipment required

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

Conditions

- The windshield projection control module must be calibrated during 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.

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

A90-10315

Calibrating

  • The Vehicle Diagnostic Tester is connected.

- Select the Diagnostic mode and start.

- Select the Test plan tab.

- Press the Select individual tests button and select the following one after the other:

  • Body
  • Electrical Equipment
  • 01 - OBD-capable systems
  • 82 - Windshield Projection Head Up Display Control Module - J898
  • 82 - Windshield projection control module, function
  • 82 - Calibrating the head up display

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

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

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