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:
Automatic heating and air conditioning
The automatic climate control system is controlled by simply setting the desired
temperature.
The Full Automatic Temperature Control (FATC) system automatically controls the
heating and cooling ...
Before entering vehicle
Be sure that all windows, outside mirror( s), and outside lights are clean.
Check the condition of the tires.
Check under the vehicle for any sign of leaks.
Be sure there are no obstacles beh ...
Inspection
1.
Ignition "ON"
2.
Manually operate the control
switch and measure the voltage of blower motor.
3.
Select the control switch to
raise volta ...