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)]
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Heated Oxygen Sensor (HO2S) Schematic Diagrams
Circuit Diagram
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See also:
Smart Cruise Control Switch Components and Components Location
Components
1. SET - switch2. RES + switch3. SCC switch4. CANCEL switch5. CRUISE switch
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Memory Power Seat Switch Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the door trim (A) after loosening mounting screws.
(Refer to Body - "Front Door Trim")
3.
Remove the memory power seat c ...
Climate Control Air Filter Repair procedures
Replacement
1.
Remove the stopper (B) from the glove box (A).
2.
Disconnect the air damper (A) from the glove box (B).
3.
Remove the filter cover (A) by pressing the knob.
4.
Replace t ...
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