Kia Optima: Seat Heater (Non-Air Ventilation). Repair procedures
Inspection
First Seat Heater
| 1. |
Check for continuity and measure
the resistance between No.4 and No.6 terminals. [Cushion]

No.
|
Description
|
No.
|
Description
|
1
|
Heater (-)
|
3
|
NTC (+)
|
2
|
NTC (-)
|
4
|
Heater (+)
|
[Back]

|
| 2. |
Measure the resistance between
No.1 and No. 4 in the A connector to check the cushion and back heater.
Standard valueSet (Cushion+Back)
: 2.65Ω ± 10%
|
|
| 3. |
Measure the resistance between
No.4 in the A and No. 1 in the B connector to check the cushion heater.
Standard valueCushion :
1.3Ω ± 10%
|
|
| 4. |
Measure the resistance between
No.1 and No. 2 in the C connector to check the back heater.
Standard valueBack : 1.35Ω
± 10%
|
|
| 5. |
Operate the seat heater after
connecting the connector, and then check the thermostat by measuring the
temperature of seat surface.
Standard value (Fabric / Leather)
Cushion :
1 Step : 40 ± 2°C(104 ± 3.6°F)2 Step : 42 ± 2°C(107.6 ± 3.6°F)
Back :1 Step : 46 ± 2°C(114.8 ± 3.6°F)
2 Step : 52 ± 2°C(125.6 ± 3.6°F)
|
|
Rear Seat Heater
| 1. |
Check for continuity and measure
the resistance between terminals as below.

※ Refer to the "Circuit Diagram" to check the connector B and C. |
| 2. |
Measure the resistance between
No.1 and No. 2 in the A connector to check the cushion and back heater.
Standard valueSet (Cushion+Back)
- Bench type : 2.90Ω ± 10%
Cushion - Split type : 8.0Ω ± 10%
|
|
| 3. |
Measure the resistance between
No.3 in the A and No. 1 in the B connector to check the cushion heater.
Standard valueCushion -
Bench type : 2.2Ω ± 10%
|
|
| 4. |
Measure the resistance between
No.1 and No. 2 in the C connector to check the back heater.
Standard valueBack - Bench
type : 1.7Ω ± 10%
|
|
| 5. |
Operate seat warmer after connecting
the 4P connector, and then check the thermostat by measuring the temperature
of seat surface.
Standard value (Fabric / Leather)
Cushion :
1 Step : 40 ± 2°C(104 ± 3.6°F)2 Step : 42 ± 2°C(107.6 ± 3.6°F)
Back :1 Step : 46 ± 2°C(114.8 ± 3.6°F)
2 Step : 52 ± 2°C(125.6 ± 3.6°F)
|
|
See also:
Variable Intermittent Wipers
Set the lever to the INT position and choose the desired wiper interval by turning
the ring. ...
Removal
Refer to "High Pressure Fuel Pump" in this group.
...
Inspection
Front Seat Heater Switch
1.
Disconnect the negative (-) battery
terminal.
2.
Remove the floor console upper
cover.(Refer to the BD group - "Console")
...