Hyundai Sonata: Heated Oxygen Sensor (HO2S). Repair procedures - Engine Control System - Engine Control/Fuel SystemHyundai Sonata: 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 4 and 5 [B1/S1].
4.
Measure resistance between the HO2S terminals 3 and 4 [B1/S2].
5.
Check that the resistance is within the specification.

Specification: Refer to “Specification”


Removal

1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the connector (A), and then remove the sensor (B).
Note that the SST (Part No.: 09392-2H100) is useful when removing the heated oxygen sensor.

[Bank 1 / Sensor 1]
(SULEV)

(ULEV)

[Bank 1 / Sensor 2]
(SULEV)

(ULEV)


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.
Installation is reverse of removal.

Heated oxygen sensor installation:
39.2 ~ 49.1 N.m (4.0 ~ 5.0 kgf.m, 28.9 ~ 36.2 lb-ft)


    Rail Pressure Sensor (RPS). Description and Operation
    Description Rail Pressure Sensor (RPS) is installed on the delivery pipe and measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built ...

    See also:

    Climate information screen selection button
    To change the screen into the climate information screen, press the climate information screen selection button. ...

    Cylinder Block. Repair procedures
    Disassembly • Use fender covers to avoid damaging painted surfaces. ...

    General Information
    General Information The supplemental restraint system (SRS) is designed to supplement the seat belt to help reduce the risk or severity of injury to the driver and passenger by activating an ...