Hyundai Tucson: AVN System / External Amplifier
| No | Connector A | Connector B |
| 1 | Battery (+) | Front right door tweeter speaker (+) |
| 2 | Battery (+) | Front left door tweeter speaker (+) |
| 3 | Battery (+) | Sub woofer speaker (+) |
| 4 | Battery (+) | - |
| 5 | - | - |
| 6 | - | - |
| 7 | - | Navigation voice (+) |
| 8 | ACC | - |
| 9 | - | - |
| 10 | M- CAN (High) | - |
| 11 | M- CAN (Low) | - |
| 12 | - | Rear right door speaker (+) |
| 13 | - | Rear left door speaker (+) |
| 14 | - | Front center speaker (+) |
| 15 | - | - |
| 16 | Ground | Front right door tweeter speaker (-) |
| 17 | Ground | Front left door tweeter speaker (-) |
| 18 | Ground | Sub woofer speaker (-) |
| 19 | Ground | - |
| 20 | SPDIF (High) | - |
| 21 | SPDIF (Low) | Navigation voice (-) |
| 22 | SPDIF (GND) | - |
| 23 | - | - |
| 24 | IGN 1 | - |
| 25 | - | Rear right door speaker (-) |
| 26 | - | Rear left door speaker (-) |
| 27 | - | Front center speaker (-) |
| 28 | - |
1.Disconnect the negative (-) battery terminal.
2.Remove the front seat assembly [LH].(Refer to Body (Interior and Exterior) - "Front Seat Assembly")
3.Remove the external amplifier (A) after disconnecting connectors and loosening mounting bolts.
1.Install the external amplifier after connecting connectors.
2.Install the front seat assembly [LH].
3.Connect the negative (-) battery terminal.
– Make sure the connector are connected in properly.
– Check the AVN system for normal operation. (Navigation, Radio, USB, Bluetooth)
AVN Head Unit
- Components
NoConnector A (ExternalAmplifier)Connector A (Internal Amplifier)Connector BConnector C
1- Rear door speaker LH (+)Mic2 (+) -
2- Rear door speaker LH (-)Mic1 (+) I -CAN (High)
...
Speakers
- Inspection
1.Check the plus (+) and negative (-) speaker terminals using an ohmmeter.
2.Check the supply power to the speaker and the resistance, then inspect the sound quality.
- Removal
...
Other information:
Hyundai Tucson (NX4) 2022-2025 Service Manual: Start/Stop Button
- Component
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the cluster fascia panel.(Refer to Body - "Cluster Fascia Panel")
3.Remove the front monitor.(Refer to AVN System - "Front Monitor")
4.Using a remover and remove the crash pad garnish [CTR].
5.Disconne ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Rear Seat Belt Retractor
- Components Location
1. Rear seat belt retractor
- Replacement
• When installing the belt, make sure not to damage the retractor.
1.Remove the rear pillar trim.(Refer to Interior Trim - "Rear Pillar Trim")
2.Loosen the mounting bolt, remove the rear seat belt ...
