Hyundai Tucson: Body Electrical System / Horn
Components and Components Location
1. Horn switch
2. Horn relay
3. Horn (Low pitch)
4. Horn (High pitch)
5. Clock spring
Repair procedures
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.
Other information:
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Highway Driving Assist
Malfunction and Limitations
Highway Driving Assist malfunction
When Highway Driving Assist is not
working properly, the "Check Highway
Driving Assist (HDA) system" warning
message may appear, and the
warning light may illuminate on the
instrument cluster. Have the vehicle
inspected by an authorized HYUNDAI
dea ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Evaporative Emission Control System
Description and Operation
- Description
Evaporative Emission Control System prevents fuel vapor stored in fuel
tank from vaporizing into the atmosphere. When the fuel evaporates in
the fuel tank, the vapor passes through vent hoses or tubes to the
canister filled with charcoal and the cani ...
