1.Turn ignition switch OFF and disconnect the battery negative (-) terminal.
2.Remove the fuse box cover.
3.Remove the starter relay (A).
4.Check for continuity between the terminals (30 and 87) using an ohmmeter.
Terminal | Resistance | Measure | ||
30 - 87 | 1 MΩ or higher | If there is continuity between the terminals, replace the relay. |
5.Apply 12V to the terminal 85 and ground to the terminal 86 and then check for continuity between the terminals (30 and 87).
Terminal | Resistance | Measure | ||
30 - 87 | 1Ω or less | If there is no continuity between the terminals, replace the relay. |
6.Install the starter relay.
7. Install the fuse box cover.
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Theft-alarm System
This system helps protect your vehicle
and valuables. The horn sounds and the
hazard warning lights blinks continuously
if any of the following occur:
- A door is opened without using the
remote key or smart key.
- The liftgate is opened without using
the remote key or smart key.
- Th ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Locking/Unlocking the doors
A : Door handle authentication pad,
B : NFC Antenna
To unlock:
Place the digital key (card key) near the
door handle authentication pad of the
driver or passenger side door for about 2
seconds.
If you unlock your vehicle from the
passenger side door handle, all the
doors are unlocke ...