Hyundai Tucson: Seat heater (Ventilation)
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Body Electrical System / Seat Electrical / Seat heater (Ventilation)
Components
- Seat cushion heater (Ventilation)
- Seat heater (Ventilation) unit
- Seat back heater (Ventilation)
Circuit Diagram
Inspection
Driver/Passenger
- Check for continuity and measure the resistance between terminals.
- Operate the seat heater after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.
Second Line Seat
- Check for continuity and measure the resistance between terminals.
Cushion
Back
Cushion
Back
- Operate the seat heater after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.
Diagnosis mode
- Enter the diagnostic mode referring to below description.
- In failure mode, press the ventilation seat button for 4 seconds and release it.
- Press the ventilation seat button for 2 seconds and release it.
- Lastly, press the ventilation seat button for 4 seconds and release it.
- When entering the failure mode, the LED of the ventilation seat button turns ON/OFF/blinks at each stage.
- After entering the diagnosis mode, you can check what failed by checking the blinking LED.
- The table below indicates the failure based on priority, upper item means higher priority.
- If more than one failure is detected, higher priority failure is displayed through the LED flashing pattern.
- Lower priority failure will be displays if higher priority failure is reset.
Heater Switch
Driver/Passenger
Second line seat heater
- If you press the seat heater button for more than five seconds, the LED for malfunctioning memory will blink four times and the recorded memory will be deleted.
- Pressing the IGN OFF button will end the diagnosis mode for the seat.
- You can check whether the heating seat system works properly after turning the IGN ON. If you want to check the error code, you can refer to the procedure of 2 above.
READ NEXT:
Front seat heater switch / Rear seat heater switch
Front seat heater switch
Rear seat heater switch
Circuit Diagram
Connector Pin Information
Removal
When removing with a flat-tip screwdriver or remover, wrap protective
tape around the tools to
prevent damage to components.
Air ventilation seat
Component Location
Air ventilation seat blower
Air ventilation seat control unit
Air ventilation seat duct
Components
Removal
Cushion Blower
Remove the front seat assembly.
(Refer to Body - "Front Seat Assembly")
SEE MORE:
Rear seat cushion assembly
Component Location
Rear seat cushion assembly
Replacement
WARNING
Put on gloves to protect your hands.
WARNING
Take care not to bend or scratch the rear seat assembly.
Remove the rear seat cushion assembly.
(Refer to Rear Seat -
IMT System Actuator
Components and Components Location
IMT system actuator
Connector and Terminal Information
Circuit Diagram
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Owner's Manual
- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual