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 Service Manual: Repair procedures
- Compression Pressure Inspection
• If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure.
1.Start the engine until coolant temperature goes up to 80-95°C and stop the engine.
2.Remove the spark coils.(Refer to E ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Calibrating the Battery Sensor
If the AGM battery is reconnected or
replaced, the ISG system does not
operate immediately. If you want to use
the system, the battery sensor needs to
be calibrated following the procedure.
1. Turn off the engine.
2. Disconnect all electronic devices
that were additionally installed afte ...
