Hyundai Sonata LF: Engine Control System / Heated Oxygen Sensor (HO2S) Repair procedures
| 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”
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| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Disconnect the connector (A), and then remove the sensor (B).
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Note that the SST (Part No.: 09392-1Y100) is useful when removing the heated oxygen sensor. |
|
| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Disconnect the connector (A), and then remove the sensor (B). 
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| • |
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).
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| 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)
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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 the sensor converts the
pressure to voltage signal...
Other information:
Airbag Disposal
Special tool required
Deployment tool 0957A-34100A
Before scrapping any airbags or side airbags (including those
installed in vehicle to be scrapped), the airbags or side airbags must
be deployed. If the vehicle is still within the warranty period, before
deploying the airbags or side airbags, the Technical Manager must give
approval and/or special instruction...
C..
Rail Pressure Sensor (RPS) Description and Operation