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 Owner's Manual: Limitations of Forward Collision-
Avoidance Assist
Forward Collision-Avoidance Assist may
not operate normally or may operate
unexpectedly if:
The front view camera is blocked,
covered, or damaged by snow, water,
or dirt.
The temperature near the front view
camera is very hot or cold.
The camera lens is covered or blocked
by ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Blower Unit
- Components Location
1. Blower unit assembly
- Components
1. Blower unit assembly2. Intake actuator3. Intake duct case [LH]4. Intake seal5. Intake door(1)6. Intake door(2)7. Intake duct case [RH]8. Climate control actuator9. PWM blower module10. Blower resistor11. Power mosfet12. Bl ...