Hyundai Tucson: Heated Steering Wheel Control Module (Integrated Body Control Unit (IBU)
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Steering System / Steering wheel / 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 - "Heater Control Unit")
- Remove the IBU (A) after loosening the mounting bolts and nuts.
- Remove the IBU (A) after disconnecting the connector
Inpection
- Measure the resistance of NTC and Heated pad.
NTC resistance - 10.0 k +- 5 %
(25ºC)
Heated pad resistance - 1.90 +-
10 %
- Measure the temperature.
- The temperature of wheel surface must rise from -20ºC to 20ºC in 6 minutes.
- The temperature of wheel surface must reach 38ºC +- 4 0 C in 25 minutes.
Schematic Diagrams
Removal
- Remove the steering wheel.
(Refer to Steering Wheel - "Removal")
- Loosen the paddle shift switch mounting screw (A).
- Remove the paddle shift switch (A) after disconnecting the connector
- Remove the lower cover (A) after loosening the screw.
- Disconnect the wiring (A).
- Remove the steering wheel bezel (A).
- Remove the haptic motor (A) after loosening the screws.
Installation
- To install, reverse the removal procedures.
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Motor Driven Power Steering - Description
Description
MDPS (Motor Dirven Power Steering) system uses an electric motor to assist
the steering force and it
is an engine operation independent steering system.
MDPS control module controls the motor operation according to information
re
Column & Housing Noise Repair Guide
R-MDPS Warning lamp Diagnosis Guide
Inspection Items per DTC
Checking Connectors and Wiring
Checking Connectors and Wiring.
Check for damage, push-back, or improper connection in each connector and
wiring.
(1) Check th
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Start/Stop Button (SSB)
A single stage push button is used for the driver to operate the vehicle.
Pressing this button allows:
To activate the power modes ' O f f . 'Accessory', 'Ignition' and
'Start' by switching the corresponding t
Multifunction Switch - Components
Steering column
Lighting swtich
Wiper switch
Clock spring
Steering wheel
Driver airbag (DAB)
Specifications
Removal
Disconnect the negative (-) battery terminal.
Remove the clock spring.
(Refer to Restraint - "
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Owner's Manual
- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual