Kia Cee'd: Engine Control System / Heated Oxygen Sensor (HO2S) Description and operation

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.

Knock Sensor (KS) Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the intake manifold. (Re ...

Heated Oxygen Sensor (HO2S) Specifications

Specification HO2S [Bank 1/Sensor 1]   Item Specification Heater Resistance (Ω) 2.4 ~ 4.0 [20°C(68°F)] ...

Other information:

Kia Cee'd JD Owners Manual: Switching to Media Mode
Pressing the key will change the operating mode in order of CD ➟ USB (iPod®) ➟ AUX ➟ My Music ➟ BT Audio. If [Pop-up Mode] / [Mode Pop-up] is turned on within [Display], then pressing the key will display the Media Pop-up Mode screen. Turn the TUNE knob to move the focus ...

Kia Cee'd JD Owners Manual: Connecting an External Device
External audio players (Camcorders, car VCR, etc.) can be played through a dedicated cable. ✽ NOTICE If an external device connector is connected with the AUX terminal, then AUX mode will automatically operate. Once the connector is disconnected, the previous mode will be r ...