Kia Sedona: Heated Oxygen Sensor (HO2S) Description and Operation
Third generation YP (2014-2026) / Kia Sedona YP Service Manual / Engine Control / Fuel System / Engine Control System / Heated Oxygen Sensor (HO2S) Description and Operation
| Description |
Heated Oxygen Sensor (HO2S) consists of the zirconium and the
alumina and is installed on upstream and downstream of the Warm-up
Catalytic Converter (WCC).
After it compares oxygen consistency of the atmosphere with
the exhaust gas, it transfers the oxygen consistency of the exhaust gas
to the ECM. When A/F ratio is rich or lean, it generates approximately
1V or 0V respectively. In order for this sensor to normally operate, the
temperature of the sensor tip should be higher than 370°C (698°F). So
it has a heater which is controlled by the ECM duty signal.
When the exhaust gas temperature is lower than the specified value, the heater warms the sensor tip.
Heated Oxygen Sensor (HO2S) Specifications
Specification
[Bank 1/Sensor 1]
ItemSpecificationHeater Resistance (Ω)3.3 ~ 4.1[20°C(68°F)]
[Bank 1/Sensor 2]
ItemSpecificationHeater Resistance (Ω)3.3 ~ 4.1[20°C(68°F)]
[Ba ...
Heated Oxygen Sensor (HO2S) Schematic Diagrams
Circuit Diagram
...
Other Information:
Front Door Window Glass Repair procedures
Replacement
1.
Remove the front door trim.
(Refer to Front Door - "Front Door Trim")
2.
Remove the front door belt inside weatherstrip (A).
3.
Remove the front door window glass mounting ...
Manual climate control system
1. Turn the ignition switch to the ON position.
2. Turn the fan speed control knob to the OFF (0) position.
3. Turn the mode selection knob to the defrost position ().
4. Push the air intake cont ...
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