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%
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
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%
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
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]
...
Other Information: Check fuse BRAKE SWITCH (for smart key system)
This warning message illuminates if the brake switch fuse is disconnected.
It means that you should replace the fuse with a new one. If that is not
possible, you can start the engine by pres ...
Repair procedures
Removal
Take care not to scratch the crash pad and related parts.
1.
Disconnect the negative (-) battery terminal.
2.
Remove the glove box housing.
(Refer to B ...