1.Disconnect the negative (-) battery terminal.
2.Remove the heater control unit.(Refer to Heating,Ventilation And Air Conditioning - "Heater Control Unit")
3.Loosen the mounting bolt,nut,screw and remove the Integrated Body Control Unit (A).

4.Disconnect the connectors and remove the Integrated Body Control Unit (A).

1.Install the Integrated Body Control Unit.
2.Install the heater control unit.
3.Connect the negative (-) terminal
Repair procedures
Antenna CoilHyundai Tucson (NX4) 2022-2026 Service Manual: Heater Unit
- Component Location
1. Heater unit assembly
- Components
1. Heater unit assembly2. Heater core cover3. Heater core assembly4. Mode control actuator [LH]5. DEF duct seal6. Evaporator assembly7. Flange seal8. Heater NVH pad9. Temperature control actuator [LH]10. Heater case [LH]11. Ve ...
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 ...