Kia Optima: Seat Heater. Repair procedures - Seat Electrical - Body Electrical System - Kia Optima TF 2011-2026 Service ManualKia Optima: Seat Heater. 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
NTC
4
GND
2
-
5
GND
3
NTC
6
VCC

[Back]


Standard value (Fabric / Leather)

Cushion : 3.89 Ω ± 10%

Back: 3.11 Ω ± 10% / 4.13 Ω ± 10%

Set : 7.0 Ω ± 10% / 8.9 Ω ± 10%


2. 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)

Seat Heater. Schematic Diagrams
Circuit Diagram ...

Seat Heater (Non-Air Ventilation). Components and Components Location
Component Location ...

See also:

Rail Pressure Sensor (RPS). Description and Operation
Description Rail Pressure Sensor (RPS) is installed on the delivery pipe and measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built in ...

Removal
1. Disconnect the negative(-) battery terminal. 2. Remove the crash pad lower panel. (Refer to the BD group - "Crash pad") 3. Disconnect ...

Inspection
1. The SJB can be diagnosed by using the GDS. The SJB communicates with the GDS which then displays inputs and outputs along with codes. 2. To diagnose the SJB functi ...

Copyright www.kiopman.com 2026