Hyundai Tucson: Immobilizer System / Immobilizer Control Unit
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
- Adjustment
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 foll ...
Antenna Coil
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad Lower Panel")
3.Disconnect the 6P connector (B) of the coil antenna and ...
Other information:
Hyundai Tucson (NX4) 2022-2026 Service Manual: Filler-Neck Assembly
- Removal
• Be careful not to damage the parts located under the vehicle
(floor under cover, canister, fuel tank) when raising the vehicle using
the lift.(Refer to General Information - "Lift and Support Points")
1.Turn the ignition switch OFF and disconnect the batter ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Engine Coolant
The high-pressure cooling system has a
reservoir filled with year-round antifreeze
coolant.
Check the antifreeze protection and
coolant level at least once a year, before
the winter season or before traveling to a
colder climate.
Checking the Coolant Level
Check the condition and conn ...
