Kia Cadenza YG: Engine Control System / Heated Oxygen Sensor (HO2S) Specifications

Kia Cadenza YG 2016-2021 Service Manual / Engine Control / Fuel System / Engine Control System / Heated Oxygen Sensor (HO2S) Specifications

Specification
A/F Ratio (λ)
Output Voltage(V)
RICH
Min. 0.8
LEAN
Max. 0.1

Item
Specification
Heater Resistance (Ω)
3.3 ~ 4.1[20°C(68°F)]

    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).

    Wave Form

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Photo Sensor Repair procedures

    Inspection 1. Ignition "ON" 2. Using the scan tool. 3. Emit intensive light toward photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light.

    Kia Cadenza YG 2016-2021 Service Manual: Heater Unit Repair procedures

    Replacement 1. Disconnect the negative (-) battery terminal. 2. Recover the refrigerant with a recovery/ recycling/ charging station. 3. When the engine is cool, drain the engine coolant from the radiator. 4. Remove the expansion valve cover (A).

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