Hyundai Ioniq: Engine Control System / Heated Oxygen Sensor (HO2S). Description and operation
Hyundai Ioniq (AE) 2017-2024 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 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. (Refer to Engine Mechanical System - "Intake Manifold")3...
Heated Oxygen Sensor (HO2S). Specifications
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...
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Side view mirror control
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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