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:
Roof Trim Assembly Repair procedures
Replacement
•
Put on gloves to protect your hands.
•
When prying with a flat-tip screwdriver, wrap it with
protective tape, and apply protec ...
Glove box
The glove box can be locked and unlocked with the mechanical key of the smartkey
(1).
To open the glove box, pull the lever (2) and the glove box will automatically
open. Close the glove box ...
Heater Core Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and blower assembly.
(Refer to Heater -"Heater Unit")
3.
Remove the heater core cover (A) after loosening ...
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