Hyundai Equus: Heated Oxygen Sensor (HO2S) Troubleshooting
Second generation VI (2009–2025) / Hyundai Equus VI 2009-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Heated Oxygen Sensor (HO2S) Troubleshooting
Second generation VI (2009–2025) / Hyundai Equus VI 2009-2025 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:
Telemetics Unit (TMU) Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front AVN monitor.
(Refer to "Premium AVN System")
3.
Remove the MTS unit after loosening the screw and nuts.
4.
...
Side impact air bag
Your vehicle is equipped with a side impact air bag in each front and outboard
rear seat. The purpose of the air bag is to provide the vehicle's driver and/or
the front and outboard rear pas ...
Fuses
A vehicle’s electrical system is protected from electrical overload damage by
fuses.
This vehicle has 4 fuse panels, two located in the driver’s side and passenger’s
side panel bolster, t ...
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