Hyundai Tucson: 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].
5.
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 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).

3.
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).
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 (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 Owners Manual: Owner maintenance schedule
When you stop for fuel: Check the engine oil level. Check coolant level in the engine coolant reservoir. Check the windshield washer fluid level. Check for low or under-inflated tires WARNING Be careful when checking your engine coolant level when the engine is hot. This may result i ...

Hyundai Tucson (LM) 2010-2015 Owners Manual: Clock/Calendar Setting
Clock Setting Press the key Select [Clock/Calendar] Select [Clock Settings] Use the , buttons to set the Hour, Minutes and AM/PM setting. ✽ NOTICE Press and hold the  key (over 0.8 seconds) to set the Clock/Calendar screen. Calendar Setting Press the  key Select [ ...

© 2010-2025 www.htmanual.net