Hyundai Ioniq: 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.

Removal 1.Turn the ignition switch OFF and disconnect the battery negative (-) cable.2.Remove the intake manifold. (Refer to Engine Mechanical System - "Intake Manifold")3...
SpecificationHO2S [Bank 1 / Sensor 1]
Item
Specification
Heater Resistance (Ω)2.4 - 4.0 [20°C (68°F)]HO2S [Bank 1 / Sensor 2] (Binary Type)
A/F Ratio (λ)
Output Voltage (V)
RICH0...
Other information:
Replacement1.Pull down the front door window glass to the lowest level by pressing the power window glass switch.2.After loosening the mounting screws, remove the front door belt outside weatherstrip (A). Tightening torque : 1.0 - 2.0 N...
Front air bags
Front air bags and the driver's knee air bag are designed to inflate in a frontal
collision depending on the severity of impact of the front collision.
Side and curtain air bags
Side and curtain air bags are designed to inflate when an impact is detected
by side collision sensors depending on the severity of impact resulting from a side
impact collision...
Categories

Adjusting the side mirrors:
1. Press either the L (driver's side) or R (passenger's side) button (1) to select
the side view mirror you would like to adjust.
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