Hyundai Accent Manuals

Hyundai Accent: Heated Oxygen Sensor (HO2S). Description and Operation - Engine Control System - Engine Control/Fuel System - Hyundai Accent 2010-2019 Service ManualHyundai Accent: 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.


Installation
Х Install the component with the specified torques. Х ...

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] ...

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Removal
1. Disconnect the negative (-) battery terminal. 2. Using a screwdriver or remover, remove the center fascia garnish (A). ...

Overdrive Clutch Control Solenoid Valve(OD/C_VFS). Specifications
Specifications Direct control VFS[OD/B] ▷ Control type : Normal high type Control Pressure kpa (kgf/cm², psi) 500.14 ~ 9.81 (5.5 ~ 0.1, 7.82 ~ 1.42) ...

Removal
1. Drain the brake fluid through the bleed plug (A). 2. Remove the clutch release cylinder assembly (C) after removing thd tube (B) ...

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