1.In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (diagnostic tool).The diagnostic system (diagnostic tool) provides the following information.
(1)Fault Code Searching : Checking failure and code number (DTC)
(2)Data Analysis : Checking the system input/output data state
(3)Actuation test : Checking the system operation condition
(4)S/W Management : Controlling other features including system option setting and zero point adjustment
2.If diagnose the vehicle by diagnostic tool, select "DTC Analysis" and "Vehicle".

3.Select the 'Data Analysis' and 'Car model'.

4.Select the 'IBU_BCM' to search the current state of the input/output data.


5.To forcibly actuate the input value of the module to be checked, select option 'Actuation Test'.

1.isconnect the negative (-) battery terminal.
2.Remove the heater and A/C controll unit.(Refer to Heating,Ventilation, Air Conditioning - "Heater & A/C Control Unit (Manual)")(Refer to Heating, Ventilation, Air conditioning - "Heater & A/C Control Unit (DATC)")
1.Install the heater and A/C control unit.
2.Connect the negative (-) battery terminal.
Rear Glass Defogger Printed HeaterHyundai Tucson (NX4) 2022-2026 Owner's Manual: Tongue load
The tongue load is extremely important
when setting up your trailer for towing
with your vehicle. Excessive tongue load
reduces front tire traction and steering
control. For example, too little tongue
load can make the trailer unstable,
causing the trailer to sway because the
weight ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Fuel Pressure Regulator
- Removal
1.Remove the fuel pump.(Refer to Fuel Delivery System - "Fuel Pump")
2.Disconnect the fuel sender connector (A).
3.Release the fixing hook (A) and then remove fuel sender (B) in the arrow direction.
4.Disconnect the fuel pump motor connector (A).
5.Remove the fixing pin (A) ...