Diagnosis mode

You can enter the diagnosis mode by turning the ventilation seat button on.
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.

[Ventilation & Heater Switch]

Courtesy of HYUNDAI MOTOR AMERICA

Failure indicator		Inspection items	Detailed inspections
Courtesy of HYUNDAI MOTOR AMERICA	[Seat heater LED] High: OFF Middle: FLASHING Low: OFF	NTC (Disconnector)	NTC (disconnector) Disconnection or missing connector of NTC
Courtesy of HYUNDAI MOTOR AMERICA	[Seat heater LED] High: OFF Middle: OFF Low: FLASHING	NTC (Short)	1) NTC terminal short
Courtesy of HYUNDAI MOTOR AMERICA	[Seat heater LED] High: OFF Middle: FLASHING Low: FLASHING	Power disconnection of seat heating wire (Disconnector)	1) Disconnection or missing connector of heating seat power line
Courtesy of HYUNDAI MOTOR AMERICA	[Seat heater LED] High: FLASHING Middle: FLASHING Low: FLASHING	Short circuit of seat heating wire power (Short)	1) Short circuit of seat heating wire power (short)
Courtesy of HYUNDAI MOTOR AMERICA	[Ventilation seat LED] High: OFF Middle: FLASHING Low: FLASHING	Power disconnection of ventilation blower	Disconnection or missing connector of ventilation power line Disconnection or missing connector of ventilation signal line
Courtesy of HYUNDAI MOTOR AMERICA	[Ventilation seat LED] High: FLASHING Middle: FLASHING Low: FLASHING	Short circuit of ventilation blower power (short)	1) Short circuit of ventilation blower power (Short)

You can check the malfunctioning by checking the blinking LED.
The ventilating seat unit will record the malfunctioning that occurred.
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 ventilating seat.
You can check whether the ventilating seat system works properly after turning the IGN ON. If you want to check the error code, you can refer to the procedure of step 2 above (Inspection - Diagnosis Mode ).