Kia Optima Hybrid: Seat Electrical / 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 ? ± 10%
Back: 3.11 ? ± 10% / 4.13 ? ± 10%
Set : 7.0 ? ± 10% / 8.9 ? ± 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 ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Heated Oxygen Sensor (HO2S) Repair procedures


Inspection 1. Turn the ignition switch OFF. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S terminals 4 and 5 [B1/S1]. Measure resistance between the HO2S terminals 3 and 4 [B1/S2]. 4. Check that the resistance is within the specification. HO2S [Bank 1/Sensor 1] (Linear type) ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Steering Angle Sensor Description and Operation


Description The Steering Angle Sensor (SAS) is installed in MDPS (Motor Driven Power Steering) and it sends messages to HECU through CAN communication line. The SAS is used to determine turning direction and speed of the steering wheel. The HECU uses the signals from the SAS when performing ESC-related ...

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