Hyundai Genesis: AVN System / AVN Antenna Repair procedures

Inspection

1.	Wrap aluminum foil (A) around the tip of the tester probe (B) and move the probe along the grid line to check whether the circuit opens.

2.	Bring one end of the tester probe into contact with the glass antenna terminal (A) while moving the other end along the antenna wires to check for continuity.

To make an effective repair, the broken section must be no longer than one inch.

1.	Lightly rub the area around the broken section (A) with fine steel wool, and then clean it with alcohol with the masking tape attached as shown below.

2.	Mix conductive paint with thinner and apply the mixture three times at an interval of 15 minutes.

3.	Before supplying power, take the masking tape off. For a refined finish, remove the extra paint with a knife after the paint dries up (for about 1 day). After the repair work is done, wipe the glass off with a dry, soft washcloth, or clean the grid line with a slightly wet cloth.

4.	Check for continuity in the repaired wire.

1.	Remove the right rear quarter trim glass antenna, and then disconnect the power wiring from the amplifier.

2.	Turn the radio ON. Measure the voltage between terminal 2 of the harness side feeder cable (A) and body ground (B). OK : approximately 12V (ACC+)

3.	Using the tester, measure the wiring resistance value of AM between 1 and 2. A. AM / FM antenna grid terminal B. Body GND

4.	Using the tester, measure the wiring resistance value of FM between A and B. A. FM2 antenna grid terminal B. Body GND

5.	Check the grid lines for continuity.

6.	In case that radio reception is poor even after the circuit inspection, replace the glass antenna amp. If reception quality is not improved, check the radio cable and audio unit.

1.	Check for continuity between the center poles of antenna cable.

2.	Check for continuity between the outer poles of antenna cable. There should be continuity.

3.	If there is no continuity, replace the antenna cable.

4.	Check for continuity between the center pole (A) of antenna cable and terminal of glass antenna (B). There should be continuity.

5.	If there is no continuity, replace the antenna amplifier.

6.	Check for continuity between the center pole (A) and outer pole (B) of antenna cable. There should be no continuity.

7.	If there is continuity, replace the antenna cable.

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the roof trim. (Refer to Body - "Roof Trim Assembly")

3.	Disconnect the connector (A) of roof antenna.

4.	After loosening a nut (B) fastened to the combined antenna.

1.	Install the WI-FI antenna.

2.	Install the main crash pad assembly.

Installation

1.	Connect the roof antenna connectors.

2.	Install the rear roof trim. - Make sure that the cables and connectors are plugged in properly. - Check the audio system.

1.	Disconnect the negative (-) battery terminal.

2.	Remove the main crash pad assembly. (Refer to Body - "Main Crash Pad Assembly")

3.	Remove the WI-FI antenna (A) after loosening the mounting screws.

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