| 1. |
Turn the ignition switch OFF. |
| 2. |
Disconnect the HO2S connector. |
| 3. |
Measure resistance between the HO2S terminals 3 and 4. |
| 4. |
Check that the resistance is within the specification.
Specification: Refer to “Specification”
|
|
| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Disconnect the heated oxygen sensor connector. |
| 4. |
Remove the heater protector (B) from the catalytic converter after removing the bolt (A). |
| 5. |
Remove the heated oxygen sensor (C) with the spanner after lifting the heater protector (B). 
|
| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Disconnect the heated oxygen sensor connector (B). |
| 4. |
Remove the heated oxygen sensor (A). 
|
| [Bank 2/Sensor 1, Bank 2/Sensor 2] |
| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 3. |
Disconnect the heated oxygen sensor connector (A). |
| 4. |
Remove the heated oxygen sensor (B).
[Bank 2/Sensor 1] 
[Bank 2/Sensor 2] 
|
| • |
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)
|
|
Description
Accelerator Position Sensor (APS) is installed on the
accelerator pedal module and detects the rotation angle of the
accelerator pedal. The APS is one of the most important sensors ...
Hyundai Equus: Heated Oxygen Sensor (HO2S) Repair procedures
Second generation VI (2009–2025) / Hyundai Equus VI 2009-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Heated Oxygen Sensor (HO2S) Repair procedures
Heated Oxygen Sensor (HO2S) Schematic Diagrams
Accelerator Position Sensor (APS) Description and Operation