
1. Horn switch
2. Horn relay
3. Horn (Low pitch)
4. Horn (High pitch)
5. Clock spring
1.Remove the front bumper assembly.(Refer to Body - "Front Bumper Assembly")
2.Remove the bolts and disconnect the horn connectors (C), then remove the high pitch horn (B) and low pitch horn (A).


1.Install the horns after connecting the horn connectors.
2.Install the front bumper cover.
1.Remove the horn relay (A) from the engine room relay box.
2.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.
3.There should be no continuity between the No.30 and No.87 terminals when power is disconnected.



Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Forward Collision-Avoidance
Assist Malfunction and
Limitations
Forward Collision-Avoidance Assist
malfunction
When Forward Collision-Avoidance
Assist is not working properly, the
"Check Forward Safety system" warning
message may appear, and the and
warning lights may illuminate on
the instrument cluster. Have the vehicle
inspected by an auth ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Schematic Diagrams
- Terminal Function
ABS / ESC
PIN NoDesciption CurrentResistance
1Pump motor supply voltage137 A10 MΩ
2Main CAN Low30 mA250 mΩ
3---
4-- -
4---
5---
6---
7---
8---
9---
10- --
11- --
12---
13Recycle pump ground137 A 10 MΩ
14Main CAN High30 mA250 mΩ
15---
16Stop lam ...