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:

    Front Disc Brake. Components and Components Location
    Components 1. Guide rod bolt 2. Bleed screw 3. Caliper bracket 4. Caliper body 5. Inner pad shim 6. Brake pad 7. Pad retainer ...

    Components and Components Location
    Component Location 1. Sunroof 2. Sunroof switch 3. Sunroof motor & controller ...

    Windshield Wiper-Washer Switch. Repair procedures
    Inspection Check for continuity between the terminals while operating the wiper and washer switch. If it is not normal condition, replace wiper and wiper switch. Wiper Switch Washer S ...