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: Ambient Sensor
- Description
The ambient temperature sensor is located at the front of the condenser
and detects ambient air temperature. It is a negative type thermistor;
resistance will increase with lower temperature, and decrease with
higher temperature.The sensor output will be used for discharge
t ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Remotely Starting the Engine
Type A
Type B
You can start the vehicle using the
Remote Start button on the smart key.
To start the vehicle remotely:
1. Press the door lock button within 32
feet (10 m) from the vehicle.
2. Press and hold the remote start button
() within 4 seconds.
To turn off the engine:
Press t ...