Kia Optima: Heated Oxygen Sensor (HO2S). Description and Operation - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2024 Service ManualKia 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:

TCM Terminal Input/ Output Signal
Connector [CHTG-AG] Pin Description Condition Input/output value Type Level 1 -   ...

Removal
1. Disconnect the negative (-) battery terminal. 2. Remove the seat control switch (A). 3. Remove the seat side cover (A). (Refer to the BD ...

Ambient Sensor. Description and Operation
Description 1. The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increas ...

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