1.Troubleshooting for Speaker
(1)Basic inspection of speakerInspect the sound from speaker after verifying that the speaker mounting screws is removed and the wiring connector is connected precisely to remove vibration transmitted from body trims and surrounding parts.

(2)Case Troubleshooting
| No | Case | Inspection/Remedy | ||||||||
| 1 | Trembling sound |
| ||||||||
| 2 | Noise |
|
3
Poor working
Inspection of the wiring connection between the battery and the speaker
1)Before replacing the speaker, inspect the wiring and connections in the speaker circuit.
2)Check the supplying power to the speaker and the resistance, and then inspect the sound quality.

3)If the speaker works poorly, replace it with new one.
– During dealing of speaker
– Dropping or rough handling of the speaker can cause damage.
– Be careful not to cover water and oil over the speaker.
– Caution during dealing of speaker because the material of diaphragm is paper which is easy to be torn by impact and external force.
– When modifying audio system as customer pleases, this does electric damage to speaker.
– And, in this case the speakers are not covered by the manufacturer's warranty.
1.Remove the front door trim.(Refer to Body - "Front Door Trim")
2.Remove the front speaker (A) after disconnecting the connector (B) and removing the mounting rivets (4EA).

1.Remove the rear door trim. (Refer to Body - "Rear Door Trim")
2.Remove the rear speaker (A) after disconnecting the connector (B) and removing the mounting rivets (4EA).

1.Using a screwdriver or remover, remove the front door quadrant inner cover (A).
2.Disconnect the tweeter speaker connector (B).

Front Speaker
1.Install the front speaker.
2.Install the front door trim.
Rear Speaker
1.Install the rear speaker.
2.Install the rear door trim.
Tweeter Speaker (Front)
1.Connect the connector.
2.Install the tweeter speaker and front door quadrant inner cover
Hyundai Accent (HC) (2017 - 2022) Service Manual: Smart Key Unit
- Components Connector Pin Information NoConnector AConnector BConnector C 1-IGN 2 Relay outputBattery (+) 2SSB Switch 1 inputP CAN Low- 3Driver outside handle switch inputP CAN HighImmobilizer antenna power output 4-B CAN HighOutside handle antenna driver power output 5-B CAN LowOutside handle antenna assist power output 6-SSB Illumination (amber) outputBumper antenna power output 7RPM input-Interior antenna 1 power output 8Start feedback inputSSB Illumination (+) outputInterior aHyundai Accent (HC) (2017 - 2022) Service Manual: Rear Seat Back Cover
- Component Location 1. Rear seat back cover [LH] 2. Rear seat back cover [RH] - Replacement Put on gloves to protect your hands. • Use a plastic panel removal tool to remove interior trim pieces without marring the surface. • Be careful not to bend or scratch the trim and panels. [LH] 1.