DTC Detection Logic
WARNING: This page is about a different car, the 2020 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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P0139 |
HO2S2 (B1) (O2 sensor circuit slow response bank 1 sensor 2) |
Diagnosis condition |
-- |
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Signal (terminal) |
Heated oxygen sensor 2 (bank 1) signal |
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Threshold |
The switching time between rich and lean of a heated oxygen sensor 2 signal delays more than the specified time computed by ECM |
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Diagnosis delay time |
-- |
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P0159 |
HO2S2 (B2) (O2 sensor circuit slow response bank 2 sensor2) |
Diagnosis condition |
-- |
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Signal (terminal) |
Heated oxygen sensor 2 (bank 2) signal |
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|
Threshold |
The switching time between rich and lean of a heated oxygen sensor 2 signal delays more than the specified time computed by ECM |
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Diagnosis delay time |
-- |
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