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: Troubleshooting
- Troubleshooting
1)After replacing controller, always check that the system operates properly.
2)If the failure persists after replacing the controller, do not replace the controller.
1.Inspection by DTC CodeSymptomProbable CauseRemedy
1. Single DTC code appearanceLoose c ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Changing a Tire with TPMS
If you have a flat tire, the Low Tire
Pressure and Position telltales come
on. Have the flat tire repaired by an
authorized HYUNDAI dealer as soon as
possible or replace the flat tire with the
spare tire.
NOTICE
Do not use a puncture-repair kit not
approved by HYUNDAI. Tire sealant not ...