Hyundai Kona: Steering wheel / Heated Steering wheel Repair procedures

Hyundai Kona (OS) 2018-2021 Service Manual / Steering System / Steering wheel / Heated Steering wheel Repair procedures

Removal
[Heated Steering Wheel Switch]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the floor console upper complete assembly.
(Refer to Body - "Floor Console Assembly")
3.
Remove the heated steering wheel switch (A) after loosenin the screw.

[Heated Steering Wheel Control Module (Body Control Moduel (BCM)]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the glove box upper cover.
(Refer to Body - "Glove Box Upper Cover")
3.
Remove the smart key unit.
(Refer to Body Electrical System - "Smart Key Unit")
4.
Remove the body control module (A) after removing the bolt and nut.

5.
Disconnect the body control module connector (A).

Inspection
1.
Measure a resistance of NTC and Heated pad.
NTC resistance - 8.875 ~ 11.27 kΩ (25°C)
Heated pad resistance - 1.55 ~ 1.95 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.

Heated Steering wheel Schematic diagrams
Schematic Digram Terminal Function Pin Function C22 Ignition 2_Heated handle power C11 ...

Motor Driven Power Steering
...

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