1.Disconnect the negative (-) battery terminal.
2.Remove the overhead console.(Body Electrical System - "Overhead Console Lamp")
3.Check for continuity between terminal No. 1 and No. 2. If there is no continuity, replace the mic.


1.Disconnect the negative (-) battery terminal.
2.Remove the overhead console.(Body Electrical System - "Overhead Console Lamp")
3.Remove the mic (A), after removing the screws.

1. Install the mic.
2.Install the overhead console and connect console connectors.
3.Connect the negative (-) battery terminal.
Front MonitorHyundai Tucson (NX4) 2022-2025 Service Manual: Smart Key Unit
- Components (1)
Integrated Body Control Unit (IBU)
Connector Pin Information
NoConnector AConnector BConnector CConnector D
1Speed_input-ECU groundBlower motor operate_output
2-Rear washer switch_outputpower ground-
3Front washer switch_inputESCL (+)_outputBattery (+) ECU-
4PDW-R power_ ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Infotainment System. Voice Recognition. Bluetooth® Wireless Technology
Infotainment System
(if equipped)
For more information, refer to the
infotainment system manual.
Voice Recognition
For more information, refer to the
infotainment system manual.
Bluetooth® Wireless Technology
1 Call/Answer button
2 Call end button
3 Microphone
For more informa ...