>

Hyundai Equus: Heated Oxygen Sensor (HO2S) Repair procedures - Engine Control System - Engine Control/Fuel System - Hyundai Equus VI 2009-2025 Service ManualHyundai Equus: 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:

    Driving off-road
    Drive carefully off-road because your vehicle may be damaged by rocks or roots of trees. Become familiar with the off-road conditions where you are going to drive before you begin driving. ...

    Muffler Components and Components Location
    Components 1. Front muffler (LH/RH)2. Catalytic converter3. Center muffler4. Main muffler (LH/RH) ...

    Refrigerant label
    The refrigerant label is located on the underside of the hood. The label contains the following information: Type of refrigerant Amount of refrigerant ...

    Categories

    Hyundai Equus Manuals


    © 2011-2025 Copyright www.heqmanual.com