Hyundai Tucson: 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 or 09392-2H100) is useful when removing the heated oxygen sensor. |
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[Bank 1 / Sensor 2]
| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Remove the console side cover (A). 
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| 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. |
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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. |
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| • |
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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Circuit Diagram
(M/T)
(A/T)
...
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 ...
Heated Oxygen Sensor (HO2S) Schematic Diagrams
Rail Pressure Sensor (RPS) Description and Operation