>
Hyundai Equus Manuals

Hyundai Equus: Heated Oxygen Sensor (HO2S) Repair procedures - Engine Control System - Engine Control/Fuel System - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: Heated Oxygen Sensor (HO2S) Repair procedures

Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Engine Control/Fuel System / Engine Control System / Heated Oxygen Sensor (HO2S) Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the HO2S connector.
3.
Measure resistance between the HO2S terminals 3 and 4.
4.
Check that the resistance is within the specification.
Specification: Refer to “Specification”
Removal
[Bank 1/Sensor 1]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the heated oxygen sensor connector.
3.
Lift the vehicle.
4.
Remove the heater protector (B) from the catalytic converter after removing the bolt (A).
5.
Remove the heated oxygen sensor (C) with the spanner after lifting the heater protector (B).

[Bank 1/Sensor 2]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the heated oxygen sensor connector (B).
3.
Lift the vehicle.
4.
Remove the heated oxygen sensor (A).

[Bank 2/Sensor 1, Bank 2/Sensor 2]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Lift the vehicle.
3.
Disconnect the heated oxygen sensor connector (A).
4.
Remove the heated oxygen sensor (B).
[Bank 2/Sensor 1]

[Bank 2/Sensor 2]

Installation
   
•
Install the component with the specified torques.
•
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
   
•
DON’T use a cleaner, spray, or grease to sensing element and connector of the sensor because oil component in them may malfunction the sensor performance.
•
Sensor and its wiring may be damaged in case of contacting with the exhaust system (Exhaust Manifold, Catalytic Converter, and so on).
1.
Install in the reverse order of removal.
Heated oxygen sensor installation:
39.2 ~ 49.1 N.m (4.0 ~ 5.0 kgf.m, 28.9 ~ 36.2 lb-ft)
    Heated Oxygen Sensor (HO2S) Schematic Diagrams
    Circuit Diagram ...

    Accelerator Position Sensor (APS) Description and Operation
    Description Accelerator Position Sensor (APS) is installed on the accelerator pedal module and detects the rotation angle of the accelerator pedal. The APS is one of the most important sensors ...

    See also:

    Repair procedures
    Replacement     • Put on gloves to protect your hands.     • When prying with a flat-tip screwdriver, wrap it with protective tape, and apply p ...

    Front Seat Assembly Repair procedures
    Replacement 1. Remove the safety belt (A) by turning it in the direction of arrow using a flat-head screwdriver. 2. Remove the front seat track mounting cover. 3. After loosening the mount ...

    Roof Side Molding Repair procedures
    Replacement     • Put on gloves to protect your hands.     • When prying with a flat-tip screwdriver, wrap it with protective tape, and apply p ...

    Categories

    Hyundai Equus Manuals

    2011-2026 Copyright www.heqmanual.com