Kia Cadenza: Engine Control System / Heated Oxygen Sensor (HO2S) Description and Operation

Kia Cadenza YG 2016-2024 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 that this sensor normally operates, the temperature of the sensor tip is 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.

Knock Sensor (KS) Repair procedures
Removal [Knock Sensor #1 (Bank 1)] 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the knock sensor connector (A). 3. Remove the intake man ...

Heated Oxygen Sensor (HO2S) Specifications
Specification A/F Ratio (λ)Output Voltage(V)RICHMin. 0.8LEANMax. 0.1 ItemSpecificationHeater Resistance (Ω)3.3 ~ 4.1[20°C(68°F)] ...

Other information:

Kia Cadenza YG 2016-2024 Service Manual: Specifications


Specifications AVN Head Unit ItemSpecificationPower sourceDC 14.4V (-) groundFrequency range / Channel spaceFM : 87.5 ~ 107.9 MHz / 200 KHzAM : 530 ~ 1710 KHz / 10 KHzTuning typePLL SYNTHESIZED TUNINGImpedance2 ohm x 4Antenna80 pF 75 OhmDark currentMax. 2mA (Head unit only)S/NFM : MIN 50 dBAM ...

Kia Cadenza YG 2016-2024 Owners Manual: Defroster


CAUTION - Conductors To prevent damage to the conductors bonded to the inside surface of the rear window, never use sharp instruments or window cleaners containing abrasives to clean the window. If you want to defrost and defog the front windshield, refer to “Windshield defrosting ...

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