Hyundai Elantra (CN7): Steering Wheel (Heated Steering Wheel) / Heated Steering Wheel Switch

Hyundai Elantra (CN7) 2021-2025 Service Manual / Steering System / Steering Wheel (Heated Steering Wheel) / Heated Steering Wheel Switch

Description and operation

Description
For the convenience of drivers during the winter, exothermic paint is applied to the surface of the steering wheel to generate heat when it is gripped.
1.
Heated Control Unit (Integrated Body Control Unit (IBU))

Heated pad

Components and components location

Compoents Location
[G 1.6 MPI / LPI]

1. Heated steering wheel switch


[G 1.6 T-GDI]

1. Heated steering wheel switch


Specifications

Specifications
Item
Specification
Voltage
13.5 V
Heated pad resistance
1.5 - 1.9 Ω [22°C (71.6°F)]
NTC resistance
9.70 - 10.3 kΩ

Repair procedures

Removal
[Heated steering wheel switch]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the steering column shroud upper panel (A) by using the screw driver or remover.
[G 1.6 MPI / LPI]

[G 1.6 T-GDI]

3.
Remove the floor console side garnish (A) by using the screw driver or remover.

4.
Remove the crash pad garnish [CTR] (A) by using the screw driver or remover.

5.
Remove the heater and heated steering switch (A) after loosening the screw.

6.
Disconnect the connector (A) and hose (B) after pushing the lock pin.

[Heated Steering Wheel Control Module (Integrated Body Control Unit (IBU)]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the glove box upper cover.
(Refer to Body - "Glove Box Upper Cover Assembly")
3.
Remove the IBU (A) after loosening the mounting nuts and bolt.

4.
Remove the IBU after disconnecting the connector.

Inspection
1.
Measure a resistance of NTC and Heated pad.
–
NTC resistance - 10.0 kΩ ± 3 % (25 °C)
–
Heated pad resistance - 1.41 ~ 1.81 Ω (22°C)
2.
Measure a temperature.
–
The temperature of wheel surface grip must rise from -20°C to 20°C within 6 minute.
–
The temperature of wheel surface grip must keep 38°C ± 4°C after 25 minute .
–
1 to 8 All measuring points.

3.
Check for continuity between the terminals in each heated steering switch.

Installation
1.
To install, reverse the removal procedure.

    Removal1.Turn the ignition switch OFF and disconnect the battery negative (-) cable.2.Turn the steering wheel so that the front wheels can face straight ahead.

    Other information:

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Special service tools

    S

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Temperature Control Actuator

    Description and operation DescriptionThe temperature control actuator is located at the heater unit. It regulates the temperature by the procedure as follows. The signal from the control unit adjusts the position of the temperature door by operating the temperature switch.

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