Hyundai Tucson: Immobilizer System - Removal
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Body Electrical System / Immobilizer System / Immobilizer System - Removal
Removal
- Disconnect the negative (-) battery terminal.
- Remove the heater control unit.
(Refer to Heating,Ventilation And Air Conditioning - "Heater Control Unit")
- Loosen the mounting bolt,nut,screw and remove the Integrated Body Control Unit (A).
- Disconnect the connectors and remove the Integrated Body Control Unit (A).
Installation
- Install the Integrated Body Control Unit.
- Install the heater control unit.
- Connect the negative (-) terminal
Removal
- Disconnect the negative (-) battery terminal.
- Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
- Disconnect the 6P connector (B) of the coil antenna and then remove the coil antenna (A) after loosening the screw.
Installation
- Install the coil antenna and connect the 6P connector.
- Install the crash pad lower panel.
- Connect the negative (-) battery terminal.
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Auto Lighting Control System
Description
It's a system that uses illumination sensor to automatically turn ON the tail
lamp and head lamp based
on the change in surrounding environment's illumination condition. It activates
when the vehicle enters/
exits tunnel, o
Auto Head Lamp Leveling Device
Component Location
Head lamp leveling actuator (Inside head lamps)
Head lamp leveling switch
Removal
Disconnect the negative (-) battery terminal.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel&q
Button Engine Start System
Description
The System offers the following features :
Changing the state of engine ignition and power by using the start
button.
Controlling external relays for ACC / IGN1 / IGN2 terminal switching and
STARTER, without use of mechanical
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Horn
Component Location
Horn switch
Horn relay
Horn (Low pitch)
Horn (High pitch)
Clock spring
Removal
Remove the front bumper assembly.
(Refer to Body - "Front Bumper Assembly")
Remove the bolts and disconnect the h
Wireless Power Charger System
Description and
Operation
Wireless Power Charger System
During ACC or IG ON, battery voltage is supplied to the wireless power
charger system to transmit an output of 5 W to mobile
phone.
Mobile phones certified with the wireless charging st
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