Kia Optima: Heated Oxygen Sensor (HO2S). Description and OperationThe sensor must be hot in order to operate normally. To keep it hot, the sensor has a heater which is controlled by the ECM via a duty cycle signal. When the exhaust gas temperature is lower than the specified value, the heater warms the sensor tip.

Installation
Heated Oxygen Sensor (HO2S). SpecificationsSliding the sunroof
When the sunshade is closed
If you pull the sunroof control lever backward to the second detent position,
the sunshade will slide all the way open then the sunroof glass will slide all the
way ...
Components and Components Location
Components
1. Hands free call switch
2. Mic
3. Front left speaker
4. Front right speaker
5. Audio head unit (hands free control)
※ ...
ESC connector input/output
Connector Terminal
Specification
Remark
No
Description
29
IGNITION1(+)
High level of wake up vol ...