Kia Forte: Heated Oxygen Sensor (HO2S) 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) Installation

   • Install the component with the specified torques. • ...

Heated Oxygen Sensor (HO2S) Specification

HO2S [Bank 1/Sensor 1] (Linear type) Item Specification Heater Resistance (Ω) 2.4 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2] (Binary type) ...

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Installation
1. Remove the ignition key from the vehicle. 2. Disconnect the battery negative cable and wait for at least thirty seconds. ...

Instrument Cluster Components
Connector Pin Information No. Description No. Description 1 Alternator L output 21 Battery (+) 2 I ...

Mode Control Actuator Description
The mode control actuator is located at the heater unit. It adjusts the position of the mode door by operating the mode control actuator based on the signal of the A/C control unit. Pressing ...