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: Front Windshield Washers
In the OFF position, pull the lever gently
toward you to spray washer fluid on the
windshield and to run the wipers 1-3
cycles. The spray and wiper operation
continues until you release the lever. If
the washer does not work, you may need
to add washer fluid to the washer fluid
reser ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Cowl Top Cover
Components and Components Location
- Component Location
1. Cowl Top Cover
Repair procedures
- Replacement
1.Remove the cap and the nuts, and then remove the wiper arm (A).Tightening torque :22.6 - 26.5 N.m (2.3 - 2.7 kgf.m, 16.6 - 19.5 lb-ft)
2.Disconnect the washer nozzle (A).
...