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Hyundai Equus: Heated Oxygen Sensor (HO2S) Troubleshooting - Engine Control System - Engine Control/Fuel System - Hyundai Equus VI 2009-2020 Service ManualHyundai Equus: Heated Oxygen Sensor (HO2S) Troubleshooting

Signal Waveform

Fig.1) The signal waveforms of front HO2S(the upper) and heater(the lower) at idle
Fig.2) The signal waveforms of rear HO2S(the upper) and heater(the lower) at idle
Fig.3) Typical waveforms of front HO2S(the upper) and rear HO2S(the lower).
    Heated Oxygen Sensor (HO2S) Specifications
    Specification A/F Ratio (x)Output Voltage(V)RICH0.6 ~ 1.0LEAN0 ~ 0.4 ItemSpecificationHeater Resistance (x)Approx. 9.0 [21∞C(69.8∞F)] ...

    Heated Oxygen Sensor (HO2S) Schematic Diagrams
    Circuit Diagram ...

    See also:

    A/V Mode
    This mode displays the state of the A/V system. ...

    Specifications
    Specifications ItemsSpecificationHoodTypeRear hinged, gas lifter typeFront DoorConstructionFront hinged, full door constructionRegulator systemWire drum typeLocking systemPin-fork systemRear Door ...

    Air Spring Repair procedures
    Removal     Х Before replacing the relevant parts, use GDS equipment to fully discharge the air from the relevant parts. (Refer to Air Suspension System - "Repair procedures ( ...

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