Kia Optima: Seat Heater (Non-Air Ventilation). Repair procedures - Seat Electrical - Body Electrical System - Kia Optima TF 2011-2020 Service ManualKia 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 value

Set (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 value

Cushion : 1.3Ω 10%


4. Measure the resistance between No.1 and No. 2 in the C connector to check the back heater.

Standard value

Back : 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 2C(104 3.6F)

2 Step : 42 2C(107.6 3.6F)

Back :

1 Step : 46 2C(114.8 3.6F)

2 Step : 52 2C(125.6 3.6F)
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.

※ 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 value

Set (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 value

Cushion - 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 value

Back - 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 2C(104 3.6F)

2 Step : 42 2C(107.6 3.6F)

Back :

1 Step : 46 2C(114.8 3.6F)

2 Step : 52 2C(125.6 3.6F)

Seat Heater (Non-Air Ventilation). Schematic Diagrams
Circuit Diagram ...

Air Ventilation Seat. Components and Components Location
...

See also:

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