Lexus NX: Heated Oxygen Sensor
Components
COMPONENTS
ILLUSTRATION
| *1 | FRONT EXHAUST PIPE SUB-ASSEMBLY | *2 | HEATED OXYGEN SENSOR |
| *3 | COMPRESSION SPRING | *4 | GASKET |
.png) | N*m (kgf*cm, ft.*lbf): Specified torque | * | For use with SST |
| ● | Non-reusable part | - | - |
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT EXHAUST PIPE SUB-ASSEMBLY
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2. REMOVE HEATED OXYGEN SENSOR
| (a) Using SST, remove the heated oxygen sensor. SST: 09224-00011 |
|
Inspection
INSPECTION
PROCEDURE
1. INSPECT HEATED OXYGEN SENSOR
| (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the heated oxygen sensor. |
|
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repairs" after replacing the air fuel ratio sensor.
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PROCEDURE
1. INSTALL HEATED OXYGEN SENSOR
| *a | Torque Wrench Fulcrum Length |
HINT:
Perform "Inspection After Repairs" after replacing the air fuel ratio sensor.
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(a) Using SST, install the heated oxygen sensor to the front exhaust pipe sub-assembly.
SST: 09224-00011
Torque:
Specified tightening torque
44 N*m (449 kgf*cm, 32 ft.*lbf)
NOTICE:
Replace with a new part if it is dropped or if it receives a strong impact.
HINT:
-
Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.
Click here
- When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 37.7 N*m (384 kgf*cm, 28 ft.*lbf)
(b) Connect the heated oxygen sensor connector.
2. INSTALL FRONT EXHAUST PIPE SUB-ASSEMBLY
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3. INSPECT FOR EXHAUST GAS LEAK
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Removal
REMOVAL CAUTION / NOTICE / HINT CAUTION:
Wear protective gloves. Sharp areas on the parts may injure your hands.
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect
