Hyundai Sonata: AVN Head Unit. Repair procedures

Removal

AVN Head Unit

•	Take care not to scratch the center fascia panel and related parts.

•	Eject all the disc before removing the AVN head unit to prevent damaging the CD player's load mechanism.

1.	Disconnect the negative (-) battery terminal.

2.	Remove the crash pad garnish (A).

3.	Remove the crash pad center fascia panel (A), after loosening the mounting screws.

4.	Disconnect the center fascia panel connectors (B), after removing the air condition hose (A) from the upper side of center fascia panel.

5.	Remove the mounting screws then remove the AVN head unit (A).

Remove the AVN head unit connectors and cables (A).

If the CD-rom needs to be removed, follow the procedure below.

Roof Antenna (GPS + XM)

1.	Remove the rear roof trim. (Refer to the BD group - "Roof trim")

2.	Disconnect the GPS (B) cable and XM cable (A) from the roof antenna.

3.	Remove the roof antenna (A) after removing a nut

Installation

AVN Head Unit

1.	Connect the AVN head unit connectors and cable.

2.	Install the AVN head unit.

3.	Install the crash pad center fascia panel.

4.	Install the crash pad garnish.

Check the audio system.

Make sure the AVN Head unit connectors are plugged in properly and the antenna cable is connected properly.

Roof Antenna (GPS + XM)

1.	Installation the roof antenna.

2.	Connect the GPS cable and XM cable.

Install the rear roof trim.

-	Make sure that the cables and connectors are plugged in properly.

-	Check the AVN system.

Components AVN (A/V & Navigation) Head Unit Connector Pin No. Connector A Connector B Description Remarks ...

Circuit Diagram ...