Hyundai Tucson: Engine Control System / Heated Oxygen Sensor (HO2S) Repair procedures

Hyundai Tucson (LM) 2010-2015 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 2 and 5 [B1/S1].

4.	Measure resistance between the HO2S terminals 3 and 4 [B1/S2].

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.

Disconnect the connector (A), and then remove the sensor (B).

Note that the SST (Part No.: 09392-1Y100 or 09392-2H100) is useful when removing the heated oxygen sensor.

[Bank 1 / Sensor 2]

1.	Turn the ignition switch OFF and disconnect the battery negative (-) cable.

2.	Remove the console side cover (A).

Disconnect the connector (A), and then remove the sensor (B).

Note that the SST (Part No.: 09392-1Y100 or 09392-2H100) is useful when removing the heated oxygen sensor.

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).

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 (M/T) (A/T) ...

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 in ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Description and Operation
OBD-II review 1. Overview The California Air Resources Board (CARB) began regulation of On Board Diagnostics (OBD) for vehicles sold in California beginning with the 1988 model year. The first phase, OBD-I, required monitoring of the fuel metering system, Exhaust Gas Recirculation (EGR) sy ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Inhibitor Switch Description and Operation
Description Inhibiter Switch contains two contact points. One of these points connects the engine startup when the lever is in the N or P position and turns on the reverse lights. The other contact point monitors the lever's position (PRND) and is used to control gear setting signals. ...