Hyundai Equus: Heated Oxygen Sensor (HO2S) Troubleshooting
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Engine Control/Fuel System / Engine Control System / Heated Oxygen Sensor (HO2S) Troubleshooting
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Engine Control/Fuel System / Engine Control System / 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:
Changing the coolant
Have coolant changed by an authorized EQUUS dealer according to the Maintenance
Schedule at the beginning of this section.
CAUTION
Put a thick cloth around the radiator cap before refilling the co ...
Fuel Pressure Sensor (FPS) Specifications
Specification
Pressure(kPa)Output Voltage(V)500.36002.511004.5
...
27 Brake Control Solenoid Valve Description and Operation
Description
27 Brake control solenoid valve is attached to the valve
body. This variable force solenoid valve directly controls the hydraulic
pressure inside the 27 Brake. ...
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