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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)

  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Remove the glove box.

(Refer to Body - "Glove Box")

  1. Remove the heater control unit.

(Refer to Heating,Ventilation And Air Conditioning - "Heater Control Unit")

  1. Remove the IBU (A) after loosening the mounting bolts and nuts.

  1. Remove the IBU (A) after disconnecting the connector

Inpection

Inpection

  1. Measure the resistance of NTC and Heated pad.

NTC resistance - 10.0 k(25ºC) +- 5 % (25ºC)

Heated pad resistance - 1.90 10 % +- 10 %

  1. 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

Schematic Diagrams

Removal

Removal

  1. Remove the steering wheel.

(Refer to Steering Wheel - "Removal")

  1. Loosen the paddle shift switch mounting screw (A).

  1. Remove the paddle shift switch (A) after disconnecting the connector

  1. Remove the lower cover (A) after loosening the screw.

  1. Disconnect the wiring (A).

  1. Remove the steering wheel bezel (A).

  1. Remove the haptic motor (A) after loosening the screws.

Installation

Installation

  1. To install, reverse the removal procedures.

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