Hyundai Accent: 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.

Installation

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

Heated Oxygen Sensor (HO2S). Specifications

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

See also:

Line Pressure Control Solenoid Valve. Description and Operation
Description line pressure control solenoid valve is attached to the valve body. This variable force solenoid valve directly controls the hydraulic pressure inside the line pressure. ...

Components
1. Driver Airbag (DAB) 2. Steering Wheel 3. Clock Spring 4. Passenger Airbag (PAB) 5. Side Airbag (SAB) 6. Curtain Airbag (CAB) 7. Seat Belt Pretensioner (BPT) ...

Removal
• Removal of the airbag must be performed according to the precautions/ procedures described ...