Heated Steering Wheel Repair Procedures

Removal

[Steering Wheel Heater Switch]

1. 1
   Turn the ignition OFF and disconnect the negative (-) battery cable.
2. 2
   Remove the upper part of the floor console assembly. (Refer to Body - "Floor Console Assembly")
3. 3
   Remove the steering wheel heater switch (A) after loosening the screw.

   

   

4. 4
   Turn the ignition OFF and disconnect the negative (-) battery cable.
5. 5
   Remove the upper glove box cover. (Refer to Body - "Upper Glove Box Cover")
6. 6
   Remove the smart key unit. (Refer to Body Electrical System - "Electronic Key Unit").
7. 7
   Remove the body control module (A) by removing the bolt and nut.

   

8. 8
   Disconnect the connector from the body control module (A).

   

[Steering Wheel Heater Control Module (Body Control Module (BCM))]

Inspection

1. 1
   Measure the resistance of the NTC and the heating pad.

   • NTC resistance - 8.875 ~ 11.27 kΩ (25 °C)
   • Heating pad resistance - 1.55 ~ 1.95 Ω (22 °C)
2. 2
   Measure the temperature.

   • The steering wheel surface temperature should rise from -20°C to 20 °C within 6 minutes.
   • The steering wheel surface temperature should be maintained within 38 °C ± 4 °C after 25 minutes.
   • 1 to 8: All measurement points.

     

3. 3
   Check the circuit continuity between the terminals of each steering wheel heater switch.