2014 Audi S7FACTORY OEM SERVICE PROCEDURE

Windshield Projection Head Up Display Control Module -J898

CAUTION:

Danger of causing damage.

  • Remove only the marked screws from the windshield projection head up display control module.
  • The windshield projection head up display control module must be replaced if the screws are removed from the housing upper section.
  • The windshield projection head up display control module must be replaced if it falls down because the inner components will get damaged even though there is no damage on the outside.
  • Do not place any force on the housing upper section for the windshield projection head up display control module otherwise the windshield projection head up display control module will have to be replaced.

Removal 

Fig 1: Identifying Windshield Projection Head Up Display Control Module, Screws And Connector
GWWA90-10129Courtesy of AUDI OF AMERICA, LLC

-- Remove the upper cover. Refer to INSTRUMENT PANEL UPPER COVER, REMOVING AND INSTALLING .

-- Cover the control module -3- with a soft towel.

-- Remove the windshield. Refer to WINDSHIELD, REMOVING AND INSTALLING .

-- Remove the screws -1, 2 and 5-.

-- Lift the control module slightly and disconnect the connector -4-.

-- Remove the control module.

Installation 

Install in reverse order of removal, observing the following:

-- Install the control module and tighten the screws.

-- Mount the windshield and secure it - do not bond it.

-- Turn on the ignition and check the control module function.

  • A number must be appear on the windshield.

-- Install the windshield. Refer to WINDSHIELD, REMOVING AND INSTALLING .

-- Install the upper instrument panel cover. Refer to INSTRUMENT PANEL UPPER COVER, REMOVING AND INSTALLING .

-- Calibrate the windshield projection control module. Refer to WINDSHIELD PROJECTION HEAD UP DISPLAY CONTROL MODULE -J898-, CALIBRATING .

-- Install the windshield projection control module cover. Refer to OVERVIEW - INSTRUMENT PANEL, WINDSHIELD PROJECTION (HEAD UP DISPLAY) .

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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