1.There should be continuity between the No.30 and No.87 terminals when power and ground are connected to the No.85 and No.86 terminals.
2.There should be no continuity between the No.30 and No.87 terminals when power is disconnected.



1.Disconnect the negative (-) battery terminal.
2.Push 4 hooks in the engine room relay box out to the arrow direction and put up the PCB block (A).

3.Disconnect the connector and remove the the PCB block (A).
1.Be sure there is no play in the fuse holders, and that the fuses are held securely.
2.Are the fuse capacities for each circuit correct?
3.Are there any blown fuses?
• If a fuse is to be replaced, be sure to use a new fuse of the same capacity. Always determine why the fuse blew first and completely eliminate the problem before installing a new fuse.

• Multi fuse (A) is needed to replace in the mass when it damaged only one fuse.
• Use the multi fuse capacities for each circuit correctly.
Components and Components Location
Relay Box (Passenger Compartment)Hyundai Tucson (NX4) 2022-2026 Service Manual: Specifications
- Specification
ItemSpecification
Power source3V
Operating temperature-20°C to +60°C (-4°F to- +140°F)
RF ModulationFSK
LF ModulationASK
RF frequency433.92MHz
Battery1EA (CR2032)
An inappropriately disposed battery can be harmful to the
environment and human healt ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Blind-Spot Collision Warning
Settings
Blind-Spot Safety
With the ignition switch ON, go to User
Settings > Driver Assistance > Blind-
Spot Safety (for cluster type) or Setup >
Vehicle > Driver Assistance > Blind-Spot
Safety (for infotainment system type)
from the Settings menu to select the
following:
I ...