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
Air Conditioner
ItemSpecification
CompressorTypeDVE16C
Oil type & CapacityPAG30 120 ± 10g (3.85 ± 0.3oz.)
Pulley type6PK-TYPE
Displacement60cc/rev
Expansion valveTypeBlock type
RefrigerantTypeR-134aR-1234yf
Capacity550 ± 25g (17.68 ± 0.88oz)550 ± 25g (17.68 ± 0.8 ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Compressor oil
- Oil Specification
1.The R-134a or R-1234yf system requires synthetic (PAG) compressor
oil whereas the R-12 system requires mineral compressor oil. The two
oils must never be mixed.
2.Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of c ...