DTC Detection Logic
To judge the malfunction, the A/F signal computed by ECM from the A/F sensor 1 signal is monitored so it will not shift to LEAN side or RICH side.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P2096 |
POST CAT FUEL TRIM SYS B1 (Post catalyst fuel trim system too lean bank 1) |
Diagnosis condition |
-- |
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Signal (terminal) |
-- |
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Threshold |
The output voltage computed by ECM from the A/F sensor 1 signal is shifts to the lean side for a specified period |
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Diagnosis delay time |
-- |
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P2097 |
POST CAT FUEL TRIM SYS B1 (Post catalyst fuel trim system too rich bank 1) |
Diagnosis condition |
-- |
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Signal (terminal) |
-- |
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Threshold |
The A/F signal computed by ECM from the A/F sensor 1 signal is shifts to the rich side for a specified period |
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Diagnosis delay time |
-- |
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P2098 |
POST CAT FUEL TRIM SYS B2 (Post catalyst fuel trim system too lean bank 2) |
Diagnosis condition |
-- |
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Signal (terminal) |
-- |
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Threshold |
The output voltage computed by ECM from the A/F sensor 1 signal is shifts to the lean side for a specified period |
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Diagnosis delay time |
-- |
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P2099 |
POST CAT FUEL TRIM SYS B2 (Post catalyst fuel trim system too rich bank 2) |
Diagnosis condition |
-- |
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Signal (terminal) |
-- |
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|
Threshold |
The A/F signal computed by ECM from the A/F sensor 1 signal is shifts to the rich side for a specified period |
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|
Diagnosis delay time |
-- |
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