Kia Sedona: Seat Heater Schematic Diagrams| Circuit Diagram |



| No. | Description | No. | Description |
| 1 | Power Seat Batt (+) | 18 | Left NTC (+) |
| 2 | Left air ventilation/heater cushion batt (+) | 19 | Air ventilation/heater ECU batt (+) |
| 3 | Left air ventilation/heater back batt (+) | 20 | Left blower speed |
| 4 | Left blower power batt (+) | 21 | - |
| 5 | Left heater switch | 22 | Right heater switch |
| 6 | Left heater high indicator | 23 | Right heater high indicator |
| 7 | Left heater mid indicator | 24 | Right heater mid indicator |
| 8 | Left heater low indicator | 25 | Right heater low indicator |
| 9 | Left air ventilation switch | 26 | Right air ventilation switch |
| 10 | Left air ventilation high indicator | 27 | Right air ventilation high indicator |
| 11 | Left air ventilation mid indicator | 28 | Right air ventilation mid indicator |
| 12 | Left air ventilation low indicator | 29 | Right air ventilation low indicator |
| 13 | Air ventilation/heater ECU IGN2 | 30 | Spare |
| 14 | Air ventilation/heater ECU GND | 31 | Heater ECU2 GND |
| 15 | Left NTC | 32 | Left air ventilation/heater mat GND |
| 16 | Power seat GND | 33 | Right blower GND |
| 17 | Air ventilation/heater ECU IGN1 | 34 | Left blower GND |

Seat Heater Components and Components Location
Seat Heater Repair procedures48,000 km (30,000 miles) or 24 months
❑ Rotate tire
❑ Inspect battery condition
❑ Inspect vacuum hose
❑ Inspect air conditioning refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive sh ...
Field Effect Transistor (DATC) Repair procedures
Inspection
1.
Turn the ignition switch ON.
2.
Manually operate the control switch and measure the voltage of the blower motor.
3.
Operate the control switch to raise the voltage up to high ...