Hyundai Equus: Heated Oxygen Sensor (HO2S) Troubleshooting
Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Engine Control/Fuel System / Engine Control System / Heated Oxygen Sensor (HO2S) Troubleshooting
Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 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
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exiting the vehicle. It also serves as a warning to passing vehicles that the vehicle
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Airbag Module Disposal Description and Operation
Airbag Disposal
Special tool required
Deployment tool 0957A-34100A
Before scrapping any airbags or side airbags (including those
in a whole vehicle to be scrapped), the airbags or side airba ...
Troubleshooting
Troubleshooting
Error ItemFailure symptomInspection items Detailed inspections Relevant Parts/ComponentsScreen displayTFT-LCD screen does not turn on
1.
Connector attachments
2.
Components
...
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