Hyundai Kona: Seat Electrical / Seat Heater Repair procedures

Inspection
Front Seat Heater
1.
Check for continuity and measure the resistance between terminals No 3 and No 6.

Standard value
Driver / Assists (cushion + back) :
2.00Ω±10%/23°C (non Air ventilation seat)
1.79Ω±10%/23°C (Air ventilation seat)
2.
Operate the seat heater after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.
Standard value
1st : cushion : 36±2°C, back : 40±2°C
2st : cushion : 39±2°C, back : 45±2°C
3st : cushion : 42±2°C, back : 50±2°C
Seat Heater Unit Diagnosis Mode
1.
You can enter the diagnosis mode by turning the seat heater button on.
2.
You can enter the diagnosis mode by referring to following description.
Push IGN ON while pressing the seat heater button from IGN OFF.
Keep pressing IGN ON for more than three seconds before pressing it once againe for more than three seconds within 2 seconds.
All LED indicators on the driver and passenger seat button will blink 1 times.
3.
After entering the diagnosis mode, you can check what failed by checking the blinking LED.
[Driver / Passenger Seat Heater]

Failure Indicator
Inspection Items
Detailed Inspections
Low : FLASING
Mid : FLASING
High : ON
Low voltage detection
IGN1 voltage of 8.5 V or lower
Over voltage detection
IGN1 voltage of 16.5 V or lower
Low : OFF
Mid : FLASING
High : ON
Fuse (Short)
Disconnection or missing connector of heating seat B(+) line
Low : OFF
Mid : ON
High : FLASING
NTC/Heater (Disconnector)
Heater mat disconnector
NTC (+) wiring disconnector
NTC (-) wiring disconnector
Heater (+) wiring disconnector
Heater (-) wiring disconnector
Low : FLASING
Mid : ON
High : OFF
NTC/Heater (Short)
NTC (+)/ NTC (-) Short
Low : OFF
Mid : ON
High : FLASING
NTC (+)/ Heater (+) Short
Low : FLASING
Mid : ON
High : OFF
NTC (+)/ Heater (-) Short
Heater (+)/ Heater (-) Short
Heater (+)/ NTC (-) Short
NTC (-)/ NTC (-) Short wiring Short
Low : OFF
Mid : ON
High : FLASING
NTC (+)/ Heater (+) wiring Short
Low : FLASING
Mid : ON
High : OFF
NTC (+)/ Heater (-) wiring Short
Heater (+)/ Heater (-) wiring Short
Heater (-)/ NTC (-) wiring Short
Low : FLASING
Mid : ON
High : FLASING
Loss of temperature feedback
Target temperature not reached within 40 minutes

4.
You can check the malfunctioning by checking the blinking LED.
5.
Pressing the IGN OFF button will end the diagnosis mode for the heater seat.
6.
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.
Seat Heater Schematic diagrams
Circuit Diagram [Front Seat Heater (Non-Air Ventilation)] ...

Seat Heater Switch Components and components location
Components [Front Seat] ...

Other information:

Hyundai Kona (OS) 2018-2021 Owners Manual: Child-protector rear door locks
The child safety lock is provided to help prevent children seated in the rear from accidentally opening the rear doors. The rear door safety locks should be used whenever children are in the vehicle. The child safety lock is located on the edge of each rear door. When the child safety lock is in ...

Ford Fusion 2013–2020 Owners Manual: Reduced Engine Performance. Economical Driving
Reduced Engine Performance WARNING: If you continue to drive your vehicle when the engine is overheating, the engine could stop without warning. Failure to follow this instruction could result in the loss of control of your vehicle. If the engine coolant temperature gauge needle moves to the u ...

© 2018-2021 www.hkona.com