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 Monitor
Multifunction SwitchHyundai Tucson (NX4) 2022-2026 Service Manual: Immobilizer Control Unit
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the heater control unit.(Refer to Heating,Ventilation And Air Conditioning - "Heater Control Unit")
3.Loosen the mounting bolt,nut,screw and remove the Integrated Body Control Unit (A).
4.Disconnect the connectors and remov ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Troubleshooting
- Troubleshooting
SymptomSuspect area
Engine will not start or hard to startVapor hose damaged or disconnected
Engine struggles to startMalfunction of the Purge Control Solenoid Valve
Rough idle or engine stallsVapor hose damaged or disconnected
Malfunction of the PRV (Pressure Regulating Val ...