Hyundai Tucson: Immobilizer System
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Body Electrical System / Immobilizer System
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TP Read Protocol
Description
The immobilizer system will disable the vehicle unless the proper ignition
key is used, in addition to the currently available antitheft
systems such as car alarms, the immobilizer system aims to drastically reduce
the rate of auto
Immobilizer System - Adjustment
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 fai
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
SEE MORE:
Automatic heating and air conditioning
Driver's temperature control button/
knob
Passenger's temperature control
button/knob
AUTO (automatic control) button
Air intake control button
OFF button
Front windshield defroster button
A/C (air conditioning) button
Fan sp
Heated Steering Wheel Control Module (Integrated Body Control Unit (IBU)
Turn the ignition switch OFF and disconnect the battery negative (-)
cable.
Remove the glove box.
(Refer to Body - "Glove Box")
Remove the heater control unit.
(Refer to Heating,Ventilation And Air Conditioning - "Hea
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