Measure resistance between the HO2S terminals 4 and 5 [B1/S1].
Measure resistance between the HO2S terminals 3 and 4 [B1/S2].
4.
Check that the resistance is within the specification.
HO2S [Bank 1/Sensor 1] (Linear type)
Item
Specification
Heater Resistance (?)
2.5 ~ 4.0 [20°C(68°F)]
HO2S [Bank 1/Sensor 2] (Binary type)
A/F Ratio (?)
Output Voltage(V)
RICH
Approx. 0.92
LEAN
Approx. 0.04
Item
Specification
Heater Resistance (?)
3.3 ~ 4.1?[21°C(69.8°F)]
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Disconnect the connector (A), and then remove the sensor (B).
Note that the SST (Part No.: 09392-2H100) is useful when removing the heated oxygen sensor.
[Bank 1 / Sensor 1]
[Bank 1 / Sensor 2]
Installation
•
Install the component with the specified torques.
•
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
•
Do not 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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