Hyundai Kona: AVN System / External AMP Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front passenger seat.
(Refer to Body - "Front Seat")
3.
Remove the external AMP (B) after loosening the mounting nuts and disconnect the connector (A).

Installation
1.
Install the external amplifier after connecting the connector.
2.
Install the right luggage side trim.
3.
Connect the negative (-) battery terminal.
  
Make sure that the cables and connectors are plugged in properly.
Check the AVN system.
External AMP Components and components location
Components NO Connector A NO Connector B 1 BATT (+) 1 Rear door speaker - LH (+) ...

AVN Remote Controller Components and components location
Components 1. Left Remote Control Switch (Audio + Hands free) 2. Right Remote Control Switch (Cruise+Trip Computer) ...

Other information:

Hyundai Kona (OS) 2018-2020 Service Manual: Purge Control Solenoid Valve (PCSV) Specifications
Specification Item Specification Coil Resistance (Ω) 22.0 - 26.0 [20°C (68°F)] ...

Hyundai Kona (OS) 2018-2020 Service Manual: Stop Lamp Switch Troubleshooting
Troubleshooting 1. Part diagnosis Items Cause Symptom Switch fuse Faulty fuse connection, Damaged fuse – ...

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