DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P2097

POST CAT FUEL TRIM SYS B1

(Post catalyst fuel trim system too rich bank 1)

Diagnosis condition

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Signal (terminal)

Air fuel ratio (A/F) sensor signal

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

Diagnosis delay time

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