Hyundai Santa Fe (TM): Engine Control System / Heated Oxygen Sensor (HO2S). Description and operation
Hyundai Santa Fe (TM) 2019-2023 Service and Repair 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. 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.
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2.
Specification HO2S [Bank 1 / Sensor 1] [Euro-V] Item Specification Heater Resistance (Ω) 2.
Other information:
Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Components and components location
Component Location 1. Integrated Body Control Unit (IBU) 2. Ultrasonic Sensor ※ PDW function is applied alone, it is integrated into IBU (Integrated Body Control Unit). ※ PDW function is applied with RSPA function, it is integrated into ADAS_PRK controller.
Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Surround View Monitor (SVM) Camera. Components and components location
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