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Hyundai Equus: AVN Antenna Repair procedures - Premium AVN System - Body Electrical System - Hyundai Equus VI 2009-2021 Service ManualHyundai Equus: AVN Antenna Repair procedures

Inspection
Glass Antenna Test
1.
Wrap aluminum foil (A) around the tip of the tester probe (B) as shown.

2.
Touch one tester probe to the glass antenna terminal (A) and move the other tester probe along the antenna wires to check that continuity exists.

Glass Antenna Repair
   
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.

2.
Carefully mask above and below the broken portion of the glass antenna wire (B) with cellophane tape (C).
3.
Using a small brush, apply a heavy coat of silver conductive paint (A) extending about 1/8xon both sides of the break. Allow 30 minutes to dry.
   
Thoroughly mix the paint before use.

4.
Check for continuity in the repaired wire.
5.
Apply a second coat of paint in the same way. Let it dry three hours before removing the tape.
Glass Antenna Circuit Inspection
1.
Remove the left side rear quarter trim (B) after opening the cap (A) and loosening the screw.

2.
Disconnect the antenna feeder cable (B) from the glass antenna amp (A).

3.
Turn the radio ON.
Measure the voltage between terminal of the harness side feeder cable (A) and body ground (B).

OK : approximately 12V (ACC+)

4.
Disconnect the 2P connector of radio wiring from the glass antenna amp.
5.
Check for continuity between terminals of harness side connector and antenna grid terminals (A).

6.
Check the grid lines for continuity.
7.
When a poor radio reception is not repaired through the above inspection methods, replace the amp.
If the radio reception is still poor, check the radio cable for short and radio head unit for failure.
Antenna Cable
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.
Remove the roof antenna (A) after loosening a nut (B).

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.
    AVN Antenna Components and Components Location
    Components ...

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