Kia Optima: Heated Oxygen Sensor (HO2S). Description and Operation
Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Manifold Catalytic Converter. The sensor output voltage varies in accordance with the air/fuel ratio.The 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
•
Install the component with the specified
torques.
•
Note that internal damag ...
Heated Oxygen Sensor (HO2S). Specifications
Specification
HO2S [Bank 1/Sensor 1]
Item
Specification
Heater Resistance (Ω)
2.5 ~ 4.0 [20°C(68°F)]
HO2S [Bank 1/Sensor 2]
...
See also:
Chart 6
...
Air conditioning
Press the A/C button to turn the air conditioning system on (indicator light
will illuminate).
Press the button again to turn the air conditioning system off. ...
Battery Saver Function
✽ NOTICE
The purpose of this feature is to prevent the battery from being discharged.
The system automatically turns off the small light when the driver removes the
ignition key and o ...
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