DTC Detection Logic
WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P2270 |
HO2S2 (B1) (O2 sensor signal biased / stuck lean bank 1 sensor 2) |
A |
Diagnosis condition |
-- |
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Signal (terminal) |
Heated oxygen sensor 2 (bank 1) signal |
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Threshold |
An excessively high voltage from the sensor is sent to ECM |
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Diagnosis delay time |
-- |
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B |
Diagnosis condition |
-- |
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Signal (terminal) |
Heated oxygen sensor 2 (bank 1) signal |
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Threshold |
The minimum voltage from the sensor is not reached to the specified voltage |
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Diagnosis delay time |
-- |
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