1.Check for continuity between the terminals in each switch position as shown below.

| Switch | Switch position | Resistance (Ω, ±3.5%) |
| Front wiper switch | MIST | 330 |
| OFF | ∞ | |
| INT (Auto) | 800 | |
| Low | 1800 | |
| High | 5700 | |
| Front wiper intermittent volume | Volume1 | 330 |
| Volume 2 | 690 | |
| Volume 3 | 1310 | |
| Volume 4 | 2610 | |
| Volume 5 | 7310 |
1.In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (diagnostic tool).The diagnostic system (diagnostic tool) provides the following information.
(1)Fault Code Searching : Checking failure and code number (DTC)
(2)Data Analysis : Checking the system input/output data state
(3)Actuation test : Checking the system operation condition
(4)S/W Management : Controlling other features including system option setting and zero point adjustment
2.If diagnose the vehicle by diagnostic tool, select "DTC Analysis" and "Vehicle".

3.If check current status, select the "Data Analysis" .

4.Select the 'IBU_BCM' to search the current state of the input/output data.


1.Disconnect the negative (-) battery terminal.
2.Remove the clock spring.(Refer to Restraint - "Driver Airbag(DAB) and Clock Spring")
3.Disconnect multifunction connectors (A).

4.Remove the multifunction switch (B) after loosening the mounting clamp (A).
Tightening torque : 4.5 - 6.5 N.m (0.5 - 0.7 kgf.m, 3.3 - 4.8 lb-ft)


1.Install the multifunction switch after connecting switch connectorS.
2.Install the clock spring .
3.Install the upper and lower shroud.
4.Install the steering wheel.
5.Install the driver airbag.
Components and Components Location
Front Wiper MotorHyundai Tucson (NX4) 2022-2026 Owner's Manual: Interior Light Replacement
Map lamp, Rear room lamp
(LED type)
If the LED light does not operate, contact
an authorized HYUNDAI dealer for
replacement.
The LED light cannot be replaced as a
single unit. A skilled technician should
check or repair the LED light, for it may
damage related parts of the vehicle.
...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Push Button Start Ignition Switch
Whenever the front door is opened,
the Push Button Start ignition switch
illuminates and goes off 30 seconds after
the door is closed.
WARNING
To turn off the vehicle in an emergency:
Press and hold the Push Button Start
ignition switch for more than two
seconds. Or rapidly press and ...