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:
Canister Close Valve (CCV) Description and Operation
Description
Canister Close Valve (CCV) is installed on the canister
ventilation line. It seals evaporative emission control system by
shutting the canister from the atmosphere when leakage dete ...
Forward and backward
To move the seat forward or backward :
1. Pull the seat slide adjustment lever up and hold it.
2. Slide the seat to the position you desire.
3. Release the lever and make sure the seat is locked ...
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