Kia Optima Hybrid: Seat Electrical / Seat Heater (Non-Air Ventilation) Repair procedures
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) : 2.65? ± 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 : 1.3? ± 10%
4.
Measure the resistance between No.1 and No. 2 in the C connector to check the back heater.
Standard value
Back : 1.35? ± 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 value
Set (Cushion+Back) - Bench type : 2.90? ± 10%
Cushion - Split type : 8.0? ± 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 : 2.2? ± 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 : 1.7? ± 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)
Components (1) 1. Ventilation blower2. Ventilation ECU3. Ventilation seat switch Components (2) Components (3) ...
Other information:
Removal 1. Set the front tires straight-ahead before removing the steering wheel. If the steering wheel and the front tires are not set straight ahead together, it affects the number of circulation of steering wheel and the cable inside the clock spring is possible to be damaged. 2. Disconnect ...
Specifications Type: Combination of output signals from 4 terminals Specifications Power supply (V)12Output typeCombination of output signals Signal Code Table PIN No.PP-RRR-NNN-DDSignal "1"12V12V00000Signal "2"012V12V12V000Signal "3"00012V12V12V0Signal "4"0000012V12V ...
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