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:
Folding the rear seat
The rear seatbacks may be folded to facilitate carrying long items or to increase
the luggage capacity of the vehicle.
WARNING
The purpose of the fold-down rear seatbacks is to allow you to carry ...
Inspection
Sprockets, Chain Tensioner, Chain Guide, Chain Tensioner Arm
1.
Check the camshaft sprocket and
crankshaft sprocket for abnormal wear, cracks, or damage. Replace as necessary.
...
Owner maintenance
The following lists are vehicle checks and
inspections that should be performed by
the owner or an authorized Kia dealer at
the frequencies indicated to help ensure
safe, dependable operation ...