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

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Engine Control/Fuel System / Engine Control System / 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 Catalytic Converter. It 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.

Knock Sensor (KS) Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Drain the engine coolant (Refer to “Cooling System” in EM group). 3. Remove the radiator upper hose (Refer ...

Heated Oxygen Sensor (HO2S) Specifications

Specification HO2S [Bank 1/Sensor 1] (Linear type) ItemSpecificationHeater Resistance (?)2.5 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2] (Binary type) A/F Ratio (?)Output Voltage(V)RICHApprox. 0.92LEANApprox. ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Power Window Motor Repair procedures

Inspection Front Power Window Motor Inspection 1. Remove the front door trim panel. (Refer to the BD group - "Front door") 2. Disconnect the connector from the motor. 3. Connect the motor terminals No.2 and No.3 directly to battery voltage (12V) and check that the motor operates smoothly. If the operation ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: TPMS Receiver Schematic Diagrams

Circuit Diagram Connector pin number Pin NO.DiscriptionRemark1-2-3ECU battery terminal4-5CAN_High6CAN_Low7-8-9Ground10-11-12-13-14-15-16-17-18Ignition ON19-20- ...