Kia Sedona: Seat Heater Repair procedures
First Row Seat Heater
1. |
Check for continuity and measure the resistance between terminals No 3 and No 6. 
Standard value
Driver / Assists (cushion) : 3.23Ω±10%
Driver / Assists (back) : 3.74Ω±10%
Driver / Assists (cushion + back) : 6.97Ω±10%
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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
2nd : cushion : 39±2°C, back : 45±2°C
3rd : cushion : 42±2°C, back : 50±2°C
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Second Row Seat Heater
1. |
Check for continuity and measure the resistance between terminals No 1 and No 4. 
Standard value
Second row seat (cushion + back): 1.63Ω±10%
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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
2nd : cushion : 39±2°C, back : 45±2°C
3rd : cushion : 42±2°C, back : 50±2°C
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Circuit Diagram
Connector Pin Information
No.DescriptionNo.Description1Power Seat Batt (+)18Left NTC (+)2Left air ventilation/heater cushion batt (+)19Air ventilation/heater ECU batt (+)3Left ai ...
Components
1. Driver seat heater switch2. Assist seat heater switch
1. Second row seat heater switch [LH]2. Second row seat heater switch [RH]
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Other Information:
Components and Components Location
Components
1. Front bumper cover2. Front bumper side bracket [LH]3. Front bumper side bracket [RH]
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Easy access function
The system will move the driver's seat automatically as follows :
Without smart key system
- It will move the driver ...