DTC Detection Logic
WARNING: This page is about a different variant/trim than selected.
To judge the malfunction, the diagnosis checks that the A/F signal computed by ECM from the A/F sensor 1 signal is not inordinately low.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P0131 |
A/F SENSOR1 (B1) [Air fuel ratio (A/F) sensor 1 (bank 1) circuit low voltage] |
Diagnosis condition |
-- |
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Signal (terminal) |
Air fuel ratio sensor 1 signal |
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Threshold |
The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 0 V |
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Diagnosis delay time |
-- |
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P0151 |
A/F SENSOR1 (B2) [Air fuel ratio (A/F) sensor 1 (bank 2) circuit low voltage] |
Diagnosis condition |
-- |
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Signal (terminal) |
Air fuel ratio sensor 1 signal |
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Threshold |
The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 0 V |
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Diagnosis delay time |
-- |
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