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. Disconnect the negative(-) battery terminal. 2. Remove the glove box housing. (Refer to the BD group - "Crash pad") 3. Remove the VESS unit (A) with bracket after loosening the mounting nuts (2EA) and disconnecting the connector. Installation 1. Install the VESS unit and connect the connector. ...
Replacement When the receiver first arrives for replacement: a. It will be in Virgin State. b. It will not be configured for any specific platform. c. It will not have any sensor ID''s memorized. It is important to make sure that the correct receiver is used to replace the ...
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